| diff --git a/Rules.mak b/Rules.mak |
| index d054bbb..55381cf 100644 |
| --- a/Rules.mak |
| +++ b/Rules.mak |
| @@ -313,6 +313,12 @@ ifeq ($(TARGET_ARCH),frv) |
| UCLIBC_LDSO=ld.so.1 |
| endif |
| |
| +ifeq ($(strip $(TARGET_ARCH)),avr32) |
| + CPU_CFLAGS-$(CONFIG_AVR32_AP7) += -march=ap |
| + CPU_CFLAGS-$(CONFIG_LINKRELAX) += -mrelax |
| + CPU_LDFLAGS-$(CONFIG_LINKRELAX) += --relax |
| +endif |
| + |
| # Keep the check_gcc from being needlessly executed |
| ifndef PIEFLAG |
| ifneq ($(UCLIBC_BUILD_PIE),y) |
| diff --git a/extra/Configs/Config.avr32 b/extra/Configs/Config.avr32 |
| new file mode 100644 |
| index 0000000..8d70e6e |
| --- /dev/null |
| +++ b/extra/Configs/Config.avr32 |
| @@ -0,0 +1,31 @@ |
| +# |
| +# For a description of the syntax of this configuration file, |
| +# see extra/config/Kconfig-language.txt |
| +# |
| + |
| +config TARGET_ARCH |
| + string |
| + default "avr32" |
| + |
| +config FORCE_OPTIONS_FOR_ARCH |
| + bool |
| + default y |
| + select ARCH_BIG_ENDIAN |
| + select FORCE_SHAREABLE_TEXT_SEGMENTS |
| + |
| +config ARCH_CFLAGS |
| + string |
| + |
| +choice |
| + prompt "Target CPU Type" |
| + default CONFIG_AVR32_AP7 |
| + |
| +config CONFIG_AVR32_AP7 |
| + bool "AVR32 AP7" |
| + select ARCH_HAS_MMU |
| + |
| +endchoice |
| + |
| +config LINKRELAX |
| + bool "Enable linker optimizations" |
| + default y |
| diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in |
| index 8eab394..10c9f7b 100644 |
| --- a/extra/Configs/Config.in |
| +++ b/extra/Configs/Config.in |
| @@ -16,6 +16,9 @@ config TARGET_alpha |
| config TARGET_arm |
| bool "arm" |
| |
| +config TARGET_avr32 |
| + bool "avr32" |
| + |
| config TARGET_bfin |
| bool "bfin" |
| |
| @@ -92,6 +95,10 @@ if TARGET_arm |
| source "extra/Configs/Config.arm" |
| endif |
| |
| +if TARGET_avr32 |
| +source "extra/Configs/Config.avr32" |
| +endif |
| + |
| if TARGET_bfin |
| source "extra/Configs/Config.bfin" |
| endif |
| diff --git a/extra/Configs/defconfigs/avr32 b/extra/Configs/defconfigs/avr32 |
| new file mode 100644 |
| index 0000000..0b890a2 |
| --- /dev/null |
| +++ b/extra/Configs/defconfigs/avr32 |
| @@ -0,0 +1 @@ |
| +TARGET_avr32=y |
| diff --git a/include/elf.h b/include/elf.h |
| index 19805d7..ab90160 100644 |
| --- a/include/elf.h |
| +++ b/include/elf.h |
| @@ -354,6 +354,8 @@ typedef struct |
| /* NIOS magic number - no EABI available. */ |
| #define EM_NIOS32 0xFEBB |
| |
| +#define EM_AVR32 0x18ad |
| + |
| /* V850 backend magic number. Written in the absense of an ABI. */ |
| #define EM_CYGNUS_V850 0x9080 |
| |
| @@ -2828,6 +2830,55 @@ typedef Elf32_Addr Elf32_Conflict; |
| /* Keep this the last entry. */ |
| #define R_V850_NUM 25 |
| |
| +/* Atmel AVR32 relocations. */ |
| +#define R_AVR32_NONE 0 |
| +#define R_AVR32_32 1 |
| +#define R_AVR32_16 2 |
| +#define R_AVR32_8 3 |
| +#define R_AVR32_32_PCREL 4 |
| +#define R_AVR32_16_PCREL 5 |
| +#define R_AVR32_8_PCREL 6 |
| +#define R_AVR32_DIFF32 7 |
| +#define R_AVR32_DIFF16 8 |
| +#define R_AVR32_DIFF8 9 |
| +#define R_AVR32_GOT32 10 |
| +#define R_AVR32_GOT16 11 |
| +#define R_AVR32_GOT8 12 |
| +#define R_AVR32_21S 13 |
| +#define R_AVR32_16U 14 |
| +#define R_AVR32_16S 15 |
| +#define R_AVR32_8S 16 |
| +#define R_AVR32_8S_EXT 17 |
| +#define R_AVR32_22H_PCREL 18 |
| +#define R_AVR32_18W_PCREL 19 |
| +#define R_AVR32_16B_PCREL 20 |
| +#define R_AVR32_16N_PCREL 21 |
| +#define R_AVR32_14UW_PCREL 22 |
| +#define R_AVR32_11H_PCREL 23 |
| +#define R_AVR32_10UW_PCREL 24 |
| +#define R_AVR32_9H_PCREL 25 |
| +#define R_AVR32_9UW_PCREL 26 |
| +#define R_AVR32_HI16 27 |
| +#define R_AVR32_LO16 28 |
| +#define R_AVR32_GOTPC 29 |
| +#define R_AVR32_GOTCALL 30 |
| +#define R_AVR32_LDA_GOT 31 |
| +#define R_AVR32_GOT21S 32 |
| +#define R_AVR32_GOT18SW 33 |
| +#define R_AVR32_GOT16S 34 |
| +#define R_AVR32_GOT7UW 35 |
| +#define R_AVR32_32_CPENT 36 |
| +#define R_AVR32_CPCALL 37 |
| +#define R_AVR32_16_CP 38 |
| +#define R_AVR32_9W_CP 39 |
| +#define R_AVR32_RELATIVE 40 |
| +#define R_AVR32_GLOB_DAT 41 |
| +#define R_AVR32_JMP_SLOT 42 |
| +#define R_AVR32_ALIGN 43 |
| +#define R_AVR32_NUM 44 |
| + |
| +/* AVR32 dynamic tags */ |
| +#define DT_AVR32_GOTSZ 0x70000001 /* Total size of GOT in bytes */ |
| |
| /* Renesas H8/300 Relocations */ |
| #define R_H8_NONE 0 |
| diff --git a/ldso/include/dl-string.h b/ldso/include/dl-string.h |
| index 32c5bf8..eb43bd9 100644 |
| --- a/ldso/include/dl-string.h |
| +++ b/ldso/include/dl-string.h |
| @@ -285,7 +285,8 @@ static __always_inline char * _dl_simple_ltoahex(char * local, unsigned long i) |
| /* On some arches constant strings are referenced through the GOT. |
| * This requires that load_addr must already be defined... */ |
| #if defined(mc68000) || defined(__arm__) || defined(__thumb__) || \ |
| - defined(__mips__) || defined(__sh__) || defined(__powerpc__) |
| + defined(__mips__) || defined(__sh__) || defined(__powerpc__) || \ |
| + defined(__avr32__) |
| # define CONSTANT_STRING_GOT_FIXUP(X) \ |
| if ((X) < (const char *) load_addr) (X) += load_addr |
| # define NO_EARLY_SEND_STDERR |
| diff --git a/ldso/include/dl-syscall.h b/ldso/include/dl-syscall.h |
| index b42416a..4404219 100644 |
| --- a/ldso/include/dl-syscall.h |
| +++ b/ldso/include/dl-syscall.h |
| @@ -55,69 +55,69 @@ |
| dynamic linking at all, so we cannot return any error codes. |
| We just punt if there is an error. */ |
| #define __NR__dl_exit __NR_exit |
| -static inline _syscall1(void, _dl_exit, int, status); |
| +static __always_inline _syscall1(void, _dl_exit, int, status); |
| |
| #define __NR__dl_close __NR_close |
| -static inline _syscall1(int, _dl_close, int, fd); |
| +static __always_inline _syscall1(int, _dl_close, int, fd); |
| |
| #define __NR__dl_open __NR_open |
| -static inline _syscall3(int, _dl_open, const char *, fn, int, flags, |
| +static __always_inline _syscall3(int, _dl_open, const char *, fn, int, flags, |
| __kernel_mode_t, mode); |
| |
| #define __NR__dl_write __NR_write |
| -static inline _syscall3(unsigned long, _dl_write, int, fd, |
| +static __always_inline _syscall3(unsigned long, _dl_write, int, fd, |
| const void *, buf, unsigned long, count); |
| |
| #define __NR__dl_read __NR_read |
| -static inline _syscall3(unsigned long, _dl_read, int, fd, |
| +static __always_inline _syscall3(unsigned long, _dl_read, int, fd, |
| const void *, buf, unsigned long, count); |
| |
| #define __NR__dl_mprotect __NR_mprotect |
| -static inline _syscall3(int, _dl_mprotect, const void *, addr, |
| +static __always_inline _syscall3(int, _dl_mprotect, const void *, addr, |
| unsigned long, len, int, prot); |
| |
| #define __NR__dl_stat __NR_stat |
| -static inline _syscall2(int, _dl_stat, const char *, file_name, |
| +static __always_inline _syscall2(int, _dl_stat, const char *, file_name, |
| struct stat *, buf); |
| |
| #define __NR__dl_fstat __NR_fstat |
| -static inline _syscall2(int, _dl_fstat, int, fd, struct stat *, buf); |
| +static __always_inline _syscall2(int, _dl_fstat, int, fd, struct stat *, buf); |
| |
| #define __NR__dl_munmap __NR_munmap |
| -static inline _syscall2(int, _dl_munmap, void *, start, unsigned long, length); |
| +static __always_inline _syscall2(int, _dl_munmap, void *, start, unsigned long, length); |
| |
| #ifdef __NR_getxuid |
| # define __NR_getuid __NR_getxuid |
| #endif |
| #define __NR__dl_getuid __NR_getuid |
| -static inline _syscall0(uid_t, _dl_getuid); |
| +static __always_inline _syscall0(uid_t, _dl_getuid); |
| |
| #ifndef __NR_geteuid |
| # define __NR_geteuid __NR_getuid |
| #endif |
| #define __NR__dl_geteuid __NR_geteuid |
| -static inline _syscall0(uid_t, _dl_geteuid); |
| +static __always_inline _syscall0(uid_t, _dl_geteuid); |
| |
| #ifdef __NR_getxgid |
| # define __NR_getgid __NR_getxgid |
| #endif |
| #define __NR__dl_getgid __NR_getgid |
| -static inline _syscall0(gid_t, _dl_getgid); |
| +static __always_inline _syscall0(gid_t, _dl_getgid); |
| |
| #ifndef __NR_getegid |
| # define __NR_getegid __NR_getgid |
| #endif |
| #define __NR__dl_getegid __NR_getegid |
| -static inline _syscall0(gid_t, _dl_getegid); |
| +static __always_inline _syscall0(gid_t, _dl_getegid); |
| |
| #ifdef __NR_getxpid |
| # define __NR_getpid __NR_getxpid |
| #endif |
| #define __NR__dl_getpid __NR_getpid |
| -static inline _syscall0(gid_t, _dl_getpid); |
| +static __always_inline _syscall0(gid_t, _dl_getpid); |
| |
| #define __NR__dl_readlink __NR_readlink |
| -static inline _syscall3(int, _dl_readlink, const char *, path, char *, buf, |
| +static __always_inline _syscall3(int, _dl_readlink, const char *, path, char *, buf, |
| size_t, bufsiz); |
| |
| #ifdef __UCLIBC_HAS_SSP__ |
| @@ -146,14 +146,14 @@ static inline _syscall2(int, _dl_gettimeofday, struct timeval *, tv, |
| #if defined(__UCLIBC_MMAP_HAS_6_ARGS__) && defined(__NR_mmap) |
| |
| # define __NR__dl_mmap __NR_mmap |
| -static inline _syscall6(void *, _dl_mmap, void *, start, size_t, length, |
| +static __always_inline _syscall6(void *, _dl_mmap, void *, start, size_t, length, |
| int, prot, int, flags, int, fd, off_t, offset); |
| |
| /* then try mmap2() */ |
| #elif defined(__NR_mmap2) |
| |
| # define __NR___syscall_mmap2 __NR_mmap2 |
| -static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, size_t, len, |
| +static __always_inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, size_t, len, |
| int, prot, int, flags, int, fd, off_t, offset); |
| |
| /* Some architectures always use 12 as page shift for mmap2() eventhough the |
| @@ -164,7 +164,7 @@ static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, size_t, len, |
| # define MMAP2_PAGE_SHIFT 12 |
| #endif |
| |
| -static inline void * _dl_mmap(void * addr, unsigned long size, int prot, |
| +static __always_inline void * _dl_mmap(void * addr, unsigned long size, int prot, |
| int flags, int fd, unsigned long offset) |
| { |
| if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1)) |
| @@ -177,8 +177,8 @@ static inline void * _dl_mmap(void * addr, unsigned long size, int prot, |
| #elif defined(__NR_mmap) |
| |
| # define __NR__dl_mmap_real __NR_mmap |
| -static inline _syscall1(void *, _dl_mmap_real, unsigned long *, buffer); |
| -static inline void * _dl_mmap(void * addr, unsigned long size, int prot, |
| +static __always_inline _syscall1(void *, _dl_mmap_real, unsigned long *, buffer); |
| +static __always_inline void * _dl_mmap(void * addr, unsigned long size, int prot, |
| int flags, int fd, unsigned long offset) |
| { |
| unsigned long buffer[6]; |
| diff --git a/ldso/ldso/avr32/dl-debug.h b/ldso/ldso/avr32/dl-debug.h |
| new file mode 100644 |
| index 0000000..fe35539 |
| --- /dev/null |
| +++ b/ldso/ldso/avr32/dl-debug.h |
| @@ -0,0 +1,45 @@ |
| +/* |
| + * AVR32 ELF shared libary loader support |
| + * |
| + * Copyright (C) 2005-2007 Atmel Corporation |
| + * All rights reserved. |
| + * |
| + * Redistribution and use in source and binary forms, with or without |
| + * modification, are permitted provided that the following conditions |
| + * are met: |
| + * 1. Redistributions of source code must retain the above copyright |
| + * notice, this list of conditions and the following disclaimer. |
| + * 2. The name of the above contributors may not be |
| + * used to endorse or promote products derived from this software |
| + * without specific prior written permission. |
| + * |
| + * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND |
| + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| + * ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE |
| + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| + * SUCH DAMAGE. |
| + */ |
| + |
| +static const char *_dl_reltypes_tab[] = { |
| + "R_AVR32_NONE", |
| + "R_AVR32_32", "R_AVR32_16", "R_AVR32_8", |
| + "R_AVR32_32_PCREL", "R_AVR32_16_PCREL", "R_AVR32_8_PCREL", |
| + "R_AVR32_DIFF32", "R_AVR32_DIFF16", "R_AVR32_DIFF8", |
| + "R_AVR32_GOT32", "R_AVR32_GOT16", "R_AVR32_GOT8", |
| + "R_AVR32_21S", "R_AVR32_16U", "R_AVR32_16S", "R_AVR32_8S", "R_AVR32_8S_EXT", |
| + "R_AVR32_22H_PCREL", "R_AVR32_18W_PCREL", "R_AVR32_16B_PCREL", |
| + "R_AVR32_16N_PCREL", "R_AVR32_14UW_PCREL", "R_AVR32_11H_PCREL", |
| + "R_AVR32_10UW_PCREL", "R_AVR32_9H_PCREL", "R_AVR32_9UW_PCREL", |
| + "R_AVR32_HI16", "R_AVR32_LO16", |
| + "R_AVR32_GOTPC", "R_AVR32_GOTCALL", "R_AVR32_LDA_GOT", |
| + "R_AVR32_GOT21S", "R_AVR32_GOT18SW", "R_AVR32_GOT16S", "R_AVR32_GOT7UW", |
| + "R_AVR32_32_CPENT", "R_AVR32_CPCALL", "R_AVR32_16_CP", "R_AVR32_9W_CP", |
| + "R_AVR32_RELATIVE", "R_AVR32_GLOB_DAT", "R_AVR32_JMP_SLOT", |
| + "R_AVR32_ALIGN", |
| +}; |
| diff --git a/ldso/ldso/avr32/dl-startup.h b/ldso/ldso/avr32/dl-startup.h |
| new file mode 100644 |
| index 0000000..3b9a641 |
| --- /dev/null |
| +++ b/ldso/ldso/avr32/dl-startup.h |
| @@ -0,0 +1,112 @@ |
| +/* |
| + * Architecture specific code used by dl-startup.c |
| + * |
| + * Copyright (C) 2005-2007 Atmel Corporation |
| + * |
| + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| + */ |
| + |
| +/* This is the library loader's main entry point. Let _dl_boot2 do its |
| + * initializations and jump to the application's entry point |
| + * afterwards. */ |
| +asm( " .text\n" |
| + " .global _start\n" |
| + " .type _start,@function\n" |
| + "_start:\n" |
| + /* All arguments are on the stack initially */ |
| + " mov r12, sp\n" |
| + " rcall _dl_start\n" |
| + /* Returns user entry point in r12. Save it. */ |
| + " mov r0, r12\n" |
| + /* We're PIC, so get the Global Offset Table */ |
| + " lddpc r6, .L_GOT\n" |
| + ".L_RGOT:\n" |
| + " rsub r6, pc\n" |
| + /* Adjust argc and argv according to _dl_skip_args */ |
| + " ld.w r1, r6[_dl_skip_args@got]\n" |
| + " ld.w r1, r1[0]\n" |
| + " ld.w r2, sp++\n" |
| + " sub r2, r1\n" |
| + " add sp, sp, r1 << 2\n" |
| + " st.w --sp, r2\n" |
| + /* Load the finalizer function */ |
| + " ld.w r12, r6[_dl_fini@got]\n" |
| + /* Jump to the user's entry point */ |
| + " mov pc, r0\n\n" |
| + |
| + " .align 2\n" |
| + ".L_GOT:" |
| + " .long .L_RGOT - _GLOBAL_OFFSET_TABLE_\n" |
| + " .size _start, . - _start\n" |
| + " .previous\n"); |
| + |
| +/* Get a pointer to the argv array. On many platforms this can be just |
| + * the address if the first argument, on other platforms we need to |
| + * do something a little more subtle here. */ |
| +#define GET_ARGV(ARGVP, ARGS) ARGVP = ((unsigned long *)ARGS + 1) |
| + |
| + |
| +/* We can't call functions before the GOT has been initialized */ |
| +#define NO_FUNCS_BEFORE_BOOTSTRAP |
| + |
| +/* |
| + * Relocate the GOT during dynamic loader bootstrap. This will add |
| + * the load address to all entries in the GOT, which is necessary |
| + * because the linker doesn't generate R_AVR32_RELATIVE relocs for the |
| + * GOT. |
| + */ |
| +static __always_inline |
| +void PERFORM_BOOTSTRAP_GOT(struct elf_resolve *tpnt) |
| +{ |
| + Elf32_Addr i, nr_got; |
| + register Elf32_Addr *__r6 __asm__("r6"); |
| + Elf32_Addr *got = __r6; |
| + |
| + nr_got = tpnt->dynamic_info[DT_AVR32_GOTSZ_IDX] / sizeof(*got); |
| + for (i = 2; i < nr_got; i++) |
| + got[i] += tpnt->loadaddr; |
| +} |
| + |
| +#define PERFORM_BOOTSTRAP_GOT(tpnt) PERFORM_BOOTSTRAP_GOT(tpnt) |
| + |
| +/* Handle relocation of the symbols in the dynamic loader. */ |
| +static __always_inline |
| +void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr, |
| + unsigned long symbol_addr, |
| + unsigned long load_addr, Elf32_Sym *symtab) |
| +{ |
| + switch(ELF32_R_TYPE(rpnt->r_info)) { |
| + case R_AVR32_NONE: |
| + break; |
| + case R_AVR32_GLOB_DAT: |
| + case R_AVR32_JMP_SLOT: |
| + *reloc_addr = symbol_addr; |
| + break; |
| + case R_AVR32_RELATIVE: |
| + SEND_STDERR_DEBUG("Applying RELATIVE relocation: "); |
| + SEND_ADDRESS_STDERR_DEBUG(load_addr, 0); |
| + SEND_STDERR_DEBUG(" + "); |
| + SEND_ADDRESS_STDERR_DEBUG(rpnt->r_addend, 1); |
| + *reloc_addr = load_addr + rpnt->r_addend; |
| + break; |
| + default: |
| + SEND_STDERR("BOOTSTRAP_RELOC: unhandled reloc_type "); |
| + SEND_NUMBER_STDERR(ELF32_R_TYPE(rpnt->r_info), 1); |
| + SEND_STDERR("REL, SYMBOL, LOAD: "); |
| + SEND_ADDRESS_STDERR(reloc_addr, 0); |
| + SEND_STDERR(", "); |
| + SEND_ADDRESS_STDERR(symbol_addr, 0); |
| + SEND_STDERR(", "); |
| + SEND_ADDRESS_STDERR(load_addr, 1); |
| + _dl_exit(1); |
| + } |
| +} |
| + |
| +/* Transfer control to the user's application, once the dynamic loader |
| + * is done. This routine has to exit the current function, then call |
| + * the _dl_elf_main function. |
| + * |
| + * Since our _dl_boot will simply call whatever is returned by |
| + * _dl_boot2, we can just return the address we're supposed to |
| + * call. */ |
| +#define START() return _dl_elf_main; |
| diff --git a/ldso/ldso/avr32/dl-syscalls.h b/ldso/ldso/avr32/dl-syscalls.h |
| new file mode 100644 |
| index 0000000..996bb87 |
| --- /dev/null |
| +++ b/ldso/ldso/avr32/dl-syscalls.h |
| @@ -0,0 +1,6 @@ |
| +/* We can't use the real errno in ldso, since it has not yet |
| + * been dynamicly linked in yet. */ |
| +#include "sys/syscall.h" |
| +extern int _dl_errno; |
| +#undef __set_errno |
| +#define __set_errno(X) {(_dl_errno) = (X);} |
| diff --git a/ldso/ldso/avr32/dl-sysdep.h b/ldso/ldso/avr32/dl-sysdep.h |
| new file mode 100644 |
| index 0000000..1a30172 |
| --- /dev/null |
| +++ b/ldso/ldso/avr32/dl-sysdep.h |
| @@ -0,0 +1,105 @@ |
| +/* |
| + * Various assembly language/system dependent hacks that are required |
| + * so that we can minimize the amount of platform specific code. |
| + * |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| + */ |
| + |
| +/* Define this if the system uses RELOCA. */ |
| +#define ELF_USES_RELOCA |
| + |
| +#include <elf.h> |
| + |
| +#define ARCH_NUM 1 |
| +#define DT_AVR32_GOTSZ_IDX (DT_NUM + OS_NUM) |
| + |
| +#define ARCH_DYNAMIC_INFO(dpnt, dynamic, debug_addr) \ |
| + do { \ |
| + if (dpnt->d_tag == DT_AVR32_GOTSZ) \ |
| + dynamic[DT_AVR32_GOTSZ_IDX] = dpnt->d_un.d_val; \ |
| + } while (0) |
| + |
| +/* Initialization sequence for the application/library GOT. */ |
| +#define INIT_GOT(GOT_BASE,MODULE) \ |
| + do { \ |
| + unsigned long i, nr_got; \ |
| + \ |
| + GOT_BASE[0] = (unsigned long) _dl_linux_resolve; \ |
| + GOT_BASE[1] = (unsigned long) MODULE; \ |
| + \ |
| + /* Add load address displacement to all GOT entries */ \ |
| + nr_got = MODULE->dynamic_info[DT_AVR32_GOTSZ_IDX] / 4; \ |
| + for (i = 2; i < nr_got; i++) \ |
| + GOT_BASE[i] += (unsigned long)MODULE->loadaddr; \ |
| + } while (0) |
| + |
| +#define do_rem(result, n, base) ((result) = (n) % (base)) |
| + |
| +/* Here we define the magic numbers that this dynamic loader should accept */ |
| +#define MAGIC1 EM_AVR32 |
| +#undef MAGIC2 |
| + |
| +/* Used for error messages */ |
| +#define ELF_TARGET "AVR32" |
| + |
| +unsigned long _dl_linux_resolver(unsigned long got_offset, unsigned long *got); |
| + |
| +/* 4096 bytes alignment */ |
| +#define PAGE_ALIGN 0xfffff000 |
| +#define ADDR_ALIGN 0xfff |
| +#define OFFS_ALIGN 0x7ffff000 |
| + |
| +#define elf_machine_type_class(type) \ |
| + ((type == R_AVR32_JMP_SLOT) * ELF_RTYPE_CLASS_PLT) |
| + |
| +/* AVR32 doesn't need any COPY relocs */ |
| +#define DL_NO_COPY_RELOCS |
| + |
| +/* Return the link-time address of _DYNAMIC. Conveniently, this is the |
| + first element of the GOT. This must be inlined in a function which |
| + uses global data. */ |
| +static inline Elf32_Addr |
| +elf_machine_dynamic (void) |
| +{ |
| + register Elf32_Addr *got asm ("r6"); |
| + return *got; |
| +} |
| + |
| +/* Return the run-time load address of the shared object. */ |
| +static inline Elf32_Addr |
| +elf_machine_load_address (void) |
| +{ |
| + extern void __dl_start asm("_dl_start"); |
| + Elf32_Addr got_addr = (Elf32_Addr) &__dl_start; |
| + Elf32_Addr pcrel_addr; |
| + |
| + asm (" lddpc %0, 2f\n" |
| + "1: add %0, pc\n" |
| + " rjmp 3f\n" |
| + " .align 2\n" |
| + "2: .long _dl_start - 1b\n" |
| + "3:\n" |
| + : "=r"(pcrel_addr) : : "cc"); |
| + |
| + return pcrel_addr - got_addr; |
| +} |
| + |
| +/* |
| + * Perform any RELATIVE relocations specified by DT_RELCOUNT. |
| + * Currently, we don't use that tag, but we might in the future as |
| + * this would reduce the startup time somewhat (although probably not by much). |
| + */ |
| +static inline void |
| +elf_machine_relative (Elf32_Addr load_off, const Elf32_Addr rel_addr, |
| + Elf32_Word relative_count) |
| +{ |
| + Elf32_Rela *rpnt = (void *)rel_addr; |
| + |
| + do { |
| + Elf32_Addr *reloc_addr; |
| + reloc_addr = (void *)(load_off + (rpnt++)->r_offset); |
| + *reloc_addr = load_off + rpnt->r_addend; |
| + } while (--relative_count); |
| +} |
| diff --git a/ldso/ldso/avr32/elfinterp.c b/ldso/ldso/avr32/elfinterp.c |
| new file mode 100644 |
| index 0000000..196292b |
| --- /dev/null |
| +++ b/ldso/ldso/avr32/elfinterp.c |
| @@ -0,0 +1,191 @@ |
| +/* |
| + * AVR32 ELF shared library loader suppport |
| + * |
| + * Copyright (C) 2004-2006 Atmel Corporation |
| + * |
| + * All rights reserved. |
| + * |
| + * Redistribution and use in source and binary forms, with or without |
| + * modification, are permitted provided that the following conditions |
| + * are met: |
| + * 1. Redistributions of source code must retain the above copyright |
| + * notice, this list of conditions and the following disclaimer. |
| + * 2. The name of the above contributors may not be |
| + * used to endorse or promote products derived from this software |
| + * without specific prior written permission. |
| + * |
| + * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND |
| + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| + * ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE |
| + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| + * SUCH DAMAGE. |
| + */ |
| + |
| +unsigned long _dl_linux_resolver(unsigned long got_offset, unsigned long *got) |
| +{ |
| + struct elf_resolve *tpnt = (struct elf_resolve *)got[1]; |
| + Elf32_Sym *sym; |
| + unsigned long local_gotno; |
| + unsigned long gotsym; |
| + unsigned long new_addr; |
| + char *strtab, *symname; |
| + unsigned long *entry; |
| + unsigned long sym_index = got_offset / 4; |
| + |
| +#if 0 |
| + local_gotno = tpnt->dynamic_info[DT_AVR32_LOCAL_GOTNO]; |
| + gotsym = tpnt->dynamic_info[DT_AVR32_GOTSYM]; |
| + |
| + sym = ((Elf32_Sym *)(tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr)) |
| + + sym_index; |
| + strtab = (char *)(tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr); |
| + symname = strtab + sym->st_name; |
| + |
| +#if 0 |
| + new_addr = (unsigned long) _dl_find_hash(strtab + sym->st_name, |
| + tpnt->symbol_scope, tpnt, |
| + resolver); |
| +#endif |
| + |
| + entry = (unsigned long *)(got + local_gotno + sym_index - gotsym); |
| + *entry = new_addr; |
| +#endif |
| + |
| + return new_addr; |
| +} |
| + |
| +static int |
| +_dl_parse(struct elf_resolve *tpnt, struct dyn_elf *scope, |
| + unsigned long rel_addr, unsigned long rel_size, |
| + int (*reloc_func)(struct elf_resolve *tpnt, struct dyn_elf *scope, |
| + Elf32_Rela *rpnt, Elf32_Sym *symtab, char *strtab)) |
| +{ |
| + Elf32_Sym *symtab; |
| + Elf32_Rela *rpnt; |
| + char *strtab; |
| + int i; |
| + |
| + rpnt = (Elf32_Rela *)rel_addr; |
| + rel_size /= sizeof(Elf32_Rela); |
| + symtab = (Elf32_Sym *)tpnt->dynamic_info[DT_SYMTAB]; |
| + strtab = (char *)tpnt->dynamic_info[DT_STRTAB]; |
| + |
| + for (i = 0; i < rel_size; i++, rpnt++) { |
| + int symtab_index, res; |
| + |
| + symtab_index = ELF32_R_SYM(rpnt->r_info); |
| + |
| + debug_sym(symtab, strtab, symtab_index); |
| + debug_reloc(symtab, strtab, rpnt); |
| + |
| + res = reloc_func(tpnt, scope, rpnt, symtab, strtab); |
| + |
| + if (res == 0) |
| + continue; |
| + |
| + _dl_dprintf(2, "\n%s: ", _dl_progname); |
| + |
| + if (symtab_index) |
| + _dl_dprintf(2, "symbol '%s': ", |
| + strtab + symtab[symtab_index].st_name); |
| + |
| + if (res < 0) { |
| + int reloc_type = ELF32_R_TYPE(rpnt->r_info); |
| +#if defined(__SUPPORT_LD_DEBUG__) |
| + _dl_dprintf(2, "can't handle reloc type %s\n", |
| + _dl_reltypes(reloc_type)); |
| +#else |
| + _dl_dprintf(2, "can't handle reloc type %x\n", |
| + reloc_type); |
| +#endif |
| + _dl_exit(-res); |
| + } else { |
| + _dl_dprintf(2, "can't resolve symbol\n"); |
| + return res; |
| + } |
| + } |
| + |
| + return 0; |
| +} |
| + |
| +static int _dl_do_reloc(struct elf_resolve *tpnt, struct dyn_elf *scope, |
| + Elf32_Rela *rpnt, Elf32_Sym *symtab, char *strtab) |
| +{ |
| + int reloc_type; |
| + int symtab_index; |
| + char *symname; |
| + unsigned long *reloc_addr; |
| + unsigned long symbol_addr; |
| +#if defined(__SUPPORT_LD_DEBUG__) |
| + unsigned long old_val; |
| +#endif |
| + |
| + reloc_addr = (unsigned long *)(tpnt->loadaddr + rpnt->r_offset); |
| + reloc_type = ELF32_R_TYPE(rpnt->r_info); |
| + symtab_index = ELF32_R_SYM(rpnt->r_info); |
| + symbol_addr = 0; |
| + symname = strtab + symtab[symtab_index].st_name; |
| + |
| + if (symtab_index) { |
| + symbol_addr = (unsigned long) |
| + _dl_find_hash(strtab + symtab[symtab_index].st_name, |
| + tpnt->symbol_scope, tpnt, |
| + elf_machine_type_class(reloc_type)); |
| + |
| + /* Allow undefined references to weak symbols */ |
| + if (!symbol_addr && |
| + ELF32_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK) { |
| + _dl_dprintf(2, "%s: can't resolve symbol '%s'\n", |
| + _dl_progname, symname); |
| + return 0; |
| + } |
| + } |
| + |
| +#if defined(__SUPPORT_LD_DEBUG__) |
| + old_val = *reloc_addr; |
| +#endif |
| + switch (reloc_type) { |
| + case R_AVR32_NONE: |
| + break; |
| + case R_AVR32_GLOB_DAT: |
| + case R_AVR32_JMP_SLOT: |
| + *reloc_addr = symbol_addr + rpnt->r_addend; |
| + break; |
| + case R_AVR32_RELATIVE: |
| + *reloc_addr = (unsigned long)tpnt->loadaddr |
| + + rpnt->r_addend; |
| + break; |
| + default: |
| + return -1; |
| + } |
| + |
| +#if defined(__SUPPORT_LD_DEBUG__) |
| + if (_dl_debug_reloc && _dl_debug_detail) |
| + _dl_dprintf(_dl_debug_file, "\tpatched: %x ==> %x @ %x\n", |
| + old_val, *reloc_addr); |
| +#endif |
| + |
| + return 0; |
| +} |
| + |
| +void _dl_parse_lazy_relocation_information(struct dyn_elf *rpnt, |
| + unsigned long rel_addr, |
| + unsigned long rel_size) |
| +{ |
| + /* TODO: Might want to support this in order to get faster |
| + * startup times... */ |
| +} |
| + |
| +int _dl_parse_relocation_information(struct dyn_elf *rpnt, |
| + unsigned long rel_addr, |
| + unsigned long rel_size) |
| +{ |
| + return _dl_parse(rpnt->dyn, rpnt->dyn->symbol_scope, rel_addr, rel_size, |
| + _dl_do_reloc); |
| +} |
| diff --git a/ldso/ldso/avr32/resolve.S b/ldso/ldso/avr32/resolve.S |
| new file mode 100644 |
| index 0000000..e3cb7f4 |
| --- /dev/null |
| +++ b/ldso/ldso/avr32/resolve.S |
| @@ -0,0 +1,28 @@ |
| +/* |
| + * Linux dynamic resolving code for AVR32. Fixes up the GOT entry as |
| + * indicated in register r12 and jumps to the resolved address. |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + * |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + */ |
| + |
| +#define ip r5 |
| + |
| + .text |
| + .global _dl_linux_resolve |
| + .type _dl_linux_resolve,@function |
| +_dl_linux_resolve: |
| + /* The PLT code pushed r8 for us. It contains the address of this |
| + function's GOT entry, that is entry 0. ip contains the address |
| + of the GOT entry of the function we wanted to call. */ |
| + stm --sp, r9-r12, lr |
| + mov r11, r8 |
| + sub r12, ip, r8 |
| + rcall _dl_linux_resolver |
| + mov ip, r12 |
| + popm r8-r12,lr |
| + mov pc, ip |
| + .size _dl_linux_resolve, . - _dl_linux_resolve |
| diff --git a/ldso/ldso/dl-startup.c b/ldso/ldso/dl-startup.c |
| index 5cf1d04..d4294ec 100644 |
| --- a/ldso/ldso/dl-startup.c |
| +++ b/ldso/ldso/dl-startup.c |
| @@ -217,7 +217,9 @@ DL_START(unsigned long args) |
| /* some arches (like MIPS) we have to tweak the GOT before relocations */ |
| PERFORM_BOOTSTRAP_GOT(tpnt); |
| |
| -#else |
| +#endif |
| + |
| +#if !defined(PERFORM_BOOTSTRAP_GOT) || defined(__avr32__) |
| |
| /* OK, now do the relocations. We do not do a lazy binding here, so |
| that once we are done, we have considerably more flexibility. */ |
| diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c |
| index f4e6cac..9cdc3fe 100644 |
| --- a/libc/inet/resolv.c |
| +++ b/libc/inet/resolv.c |
| @@ -1643,7 +1643,7 @@ int attribute_hidden __read_etc_hosts_r(FILE * fp, const char * name, int type, |
| *result=result_buf; |
| ret=NETDB_SUCCESS; |
| #ifdef __UCLIBC_HAS_IPV6__ |
| - } else if (type == AF_INET6 && inet_pton(AF_INET6, alias[0], in6) > 0) { |
| + } else if (type == AF_INET6 && inet_pton(AF_INET6, alias[0], in6) > 0) { |
| DPRINTF("Found INET6\n"); |
| addr_list6[0] = in6; |
| addr_list6[1] = 0; |
| @@ -1658,8 +1658,8 @@ int attribute_hidden __read_etc_hosts_r(FILE * fp, const char * name, int type, |
| } else { |
| DPRINTF("Error\n"); |
| ret=TRY_AGAIN; |
| - break; /* bad ip address */ |
| - } |
| + continue; /* bad ip address, keep searching */ |
| + } |
| |
| if (action!=GETHOSTENT) { |
| fclose(fp); |
| diff --git a/libc/string/avr32/Makefile b/libc/string/avr32/Makefile |
| new file mode 100644 |
| index 0000000..e19e9d9 |
| --- /dev/null |
| +++ b/libc/string/avr32/Makefile |
| @@ -0,0 +1,26 @@ |
| +# Makefile for uClibc |
| +# |
| +# Copyright (C) 2000-2003 Erik Andersen <andersen@uclibc.org> |
| +# |
| +# This program is free software; you can redistribute it and/or modify it under |
| +# the terms of the GNU Library General Public License as published by the Free |
| +# Software Foundation; either version 2 of the License, or (at your option) any |
| +# later version. |
| +# |
| +# This program is distributed in the hope that it will be useful, but WITHOUT |
| +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| +# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more |
| +# details. |
| +# |
| +# You should have received a copy of the GNU Library General Public License |
| +# along with this program; if not, write to the Free Software Foundation, Inc., |
| +# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| + |
| +top_srcdir := ../../../ |
| +top_builddir := ../../../ |
| + |
| +all: objs |
| + |
| +include $(top_builddir)Rules.mak |
| +include ../Makefile.in |
| +include $(top_srcdir)Makerules |
| diff --git a/libc/string/avr32/bcopy.S b/libc/string/avr32/bcopy.S |
| new file mode 100644 |
| index 0000000..87c1e04 |
| --- /dev/null |
| +++ b/libc/string/avr32/bcopy.S |
| @@ -0,0 +1,26 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +#include <features.h> |
| + |
| +#ifdef __UCLIBC_SUSV3_LEGACY__ |
| + |
| + .text |
| + .global bcopy |
| + .type bcopy, @function |
| + .align 1 |
| +bcopy: |
| + /* Swap the first two arguments */ |
| + eor r11, r12 |
| + eor r12, r11 |
| + eor r11, r12 |
| + rjmp __GI_memmove |
| + |
| + .size bcopy, . - bcopy |
| + |
| +#endif /* __UCLIBC_SUSV3_LEGACY__ */ |
| diff --git a/libc/string/avr32/bzero.S b/libc/string/avr32/bzero.S |
| new file mode 100644 |
| index 0000000..c999e65 |
| --- /dev/null |
| +++ b/libc/string/avr32/bzero.S |
| @@ -0,0 +1,22 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +#ifdef __UCLIBC_SUSV3_LEGACY__ |
| + |
| + .text |
| + .global bzero |
| + .type bzero, @function |
| + .align 1 |
| +bzero: |
| + mov r10, r11 |
| + mov r11, 0 |
| + rjmp __memset |
| + |
| + .size bzero, . - bzero |
| + |
| +#endif /* __UCLIBC_SUSV3_LEGACY__ */ |
| diff --git a/libc/string/avr32/memcmp.S b/libc/string/avr32/memcmp.S |
| new file mode 100644 |
| index 0000000..ae6cc91 |
| --- /dev/null |
| +++ b/libc/string/avr32/memcmp.S |
| @@ -0,0 +1,61 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +#include <features.h> |
| + |
| +#define s1 r12 |
| +#define s2 r11 |
| +#define len r10 |
| + |
| + .text |
| + .global memcmp |
| + .type memcmp, @function |
| + .align 1 |
| +memcmp: |
| + sub len, 4 |
| + brlt .Lless_than_4 |
| + |
| +1: ld.w r8, s1++ |
| + ld.w r9, s2++ |
| + cp.w r8, r9 |
| + brne .Lfound_word |
| + sub len, 4 |
| + brge 1b |
| + |
| +.Lless_than_4: |
| + sub len, -4 |
| + reteq 0 |
| + |
| +1: ld.ub r8, s1++ |
| + ld.ub r9, s2++ |
| + sub r8, r9 |
| + retne r8 |
| + sub len, 1 |
| + brgt 1b |
| + |
| + retal 0 |
| + |
| +.Lfound_word: |
| + mov len, 4 |
| + |
| +2: bfextu r11, r9, 24, 8 |
| + bfextu r12, r8, 24, 8 |
| + sub r12, r11 |
| + retne r12 |
| + lsl r8, 8 |
| + lsl r9, 8 |
| + sub len, 1 |
| + brne 2b |
| + retal r12 |
| + |
| + .size memcmp, . - memcmp |
| + |
| +libc_hidden_def(memcmp) |
| +#ifdef __UCLIBC_SUSV3_LEGACY__ |
| +strong_alias(memcmp,bcmp) |
| +#endif |
| diff --git a/libc/string/avr32/memcpy.S b/libc/string/avr32/memcpy.S |
| new file mode 100644 |
| index 0000000..bf091ab |
| --- /dev/null |
| +++ b/libc/string/avr32/memcpy.S |
| @@ -0,0 +1,111 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +/* Don't use r12 as dst since we must return it unmodified */ |
| +#define dst r9 |
| +#define src r11 |
| +#define len r10 |
| + |
| + .text |
| + .global memcpy |
| + .type memcpy, @function |
| +memcpy: |
| + pref src[0] |
| + mov dst, r12 |
| + |
| + /* If we have less than 32 bytes, don't do anything fancy */ |
| + cp.w len, 32 |
| + brge .Lmore_than_31 |
| + |
| + sub len, 1 |
| + retlt r12 |
| +1: ld.ub r8, src++ |
| + st.b dst++, r8 |
| + sub len, 1 |
| + brge 1b |
| + retal r12 |
| + |
| +.Lmore_than_31: |
| + pushm r0-r7, lr |
| + |
| + /* Check alignment */ |
| + mov r8, src |
| + andl r8, 31, COH |
| + brne .Lunaligned_src |
| + mov r8, dst |
| + andl r8, 3, COH |
| + brne .Lunaligned_dst |
| + |
| +.Laligned_copy: |
| + sub len, 32 |
| + brlt .Lless_than_32 |
| + |
| +1: /* Copy 32 bytes at a time */ |
| + ldm src, r0-r7 |
| + sub src, -32 |
| + stm dst, r0-r7 |
| + sub dst, -32 |
| + sub len, 32 |
| + brge 1b |
| + |
| +.Lless_than_32: |
| + /* Copy 16 more bytes if possible */ |
| + sub len, -16 |
| + brlt .Lless_than_16 |
| + ldm src, r0-r3 |
| + sub src, -16 |
| + sub len, 16 |
| + stm dst, r0-r3 |
| + sub dst, -16 |
| + |
| +.Lless_than_16: |
| + /* Do the remaining as byte copies */ |
| + neg len |
| + add pc, pc, len << 2 |
| + .rept 15 |
| + ld.ub r0, src++ |
| + st.b dst++, r0 |
| + .endr |
| + |
| + popm r0-r7, pc |
| + |
| +.Lunaligned_src: |
| + /* Make src cacheline-aligned. r8 = (src & 31) */ |
| + rsub r8, r8, 32 |
| + sub len, r8 |
| +1: ld.ub r0, src++ |
| + st.b dst++, r0 |
| + sub r8, 1 |
| + brne 1b |
| + |
| + /* If dst is word-aligned, we're ready to go */ |
| + pref src[0] |
| + mov r8, 3 |
| + tst dst, r8 |
| + breq .Laligned_copy |
| + |
| +.Lunaligned_dst: |
| + /* src is aligned, but dst is not. Expect bad performance */ |
| + sub len, 4 |
| + brlt 2f |
| +1: ld.w r0, src++ |
| + st.w dst++, r0 |
| + sub len, 4 |
| + brge 1b |
| + |
| +2: neg len |
| + add pc, pc, len << 2 |
| + .rept 3 |
| + ld.ub r0, src++ |
| + st.b dst++, r0 |
| + .endr |
| + |
| + popm r0-r7, pc |
| + .size memcpy, . - memcpy |
| + |
| +libc_hidden_def(memcpy) |
| diff --git a/libc/string/avr32/memmove.S b/libc/string/avr32/memmove.S |
| new file mode 100644 |
| index 0000000..98287c5 |
| --- /dev/null |
| +++ b/libc/string/avr32/memmove.S |
| @@ -0,0 +1,116 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +#define dst r12 |
| +#define src r11 |
| +#define len r10 |
| + |
| + .text |
| + .global memmove |
| + .type memmove, @function |
| +memmove: |
| + cp.w src, dst |
| + brge __GI_memcpy |
| + |
| + add dst, len |
| + add src, len |
| + pref src[-1] |
| + |
| + /* |
| + * The rest is basically the same as in memcpy.S except that |
| + * the direction is reversed. |
| + */ |
| + cp.w len, 32 |
| + brge .Lmore_than_31 |
| + |
| + sub len, 1 |
| + retlt r12 |
| +1: ld.ub r8, --src |
| + st.b --dst, r8 |
| + sub len, 1 |
| + brge 1b |
| + retal r12 |
| + |
| +.Lmore_than_31: |
| + pushm r0-r7, lr |
| + |
| + /* Check alignment */ |
| + mov r8, src |
| + andl r8, 31, COH |
| + brne .Lunaligned_src |
| + mov r8, r12 |
| + andl r8, 3, COH |
| + brne .Lunaligned_dst |
| + |
| +.Laligned_copy: |
| + sub len, 32 |
| + brlt .Lless_than_32 |
| + |
| +1: /* Copy 32 bytes at a time */ |
| + sub src, 32 |
| + ldm src, r0-r7 |
| + sub dst, 32 |
| + sub len, 32 |
| + stm dst, r0-r7 |
| + brge 1b |
| + |
| +.Lless_than_32: |
| + /* Copy 16 more bytes if possible */ |
| + sub len, -16 |
| + brlt .Lless_than_16 |
| + sub src, 16 |
| + ldm src, r0-r3 |
| + sub dst, 16 |
| + sub len, 16 |
| + stm dst, r0-r3 |
| + |
| +.Lless_than_16: |
| + /* Do the remaining as byte copies */ |
| + sub len, -16 |
| + breq 2f |
| +1: ld.ub r0, --src |
| + st.b --dst, r0 |
| + sub len, 1 |
| + brne 1b |
| + |
| +2: popm r0-r7, pc |
| + |
| +.Lunaligned_src: |
| + /* Make src cacheline-aligned. r8 = (src & 31) */ |
| + sub len, r8 |
| +1: ld.ub r0, --src |
| + st.b --dst, r0 |
| + sub r8, 1 |
| + brne 1b |
| + |
| + /* If dst is word-aligned, we're ready to go */ |
| + pref src[-4] |
| + mov r8, 3 |
| + tst dst, r8 |
| + breq .Laligned_copy |
| + |
| +.Lunaligned_dst: |
| + /* src is aligned, but dst is not. Expect bad performance */ |
| + sub len, 4 |
| + brlt 2f |
| +1: ld.w r0, --src |
| + st.w --dst, r0 |
| + sub len, 4 |
| + brge 1b |
| + |
| +2: neg len |
| + add pc, pc, len << 2 |
| + .rept 3 |
| + ld.ub r0, --src |
| + st.b --dst, r0 |
| + .endr |
| + |
| + popm r0-r7, pc |
| + .size memmove, . - memmove |
| + |
| +libc_hidden_def(memmove) |
| diff --git a/libc/string/avr32/memset.S b/libc/string/avr32/memset.S |
| new file mode 100644 |
| index 0000000..33cfaed |
| --- /dev/null |
| +++ b/libc/string/avr32/memset.S |
| @@ -0,0 +1,70 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +#include <features.h> |
| + |
| +#define s r12 |
| +#define c r11 |
| +#define n r10 |
| + |
| + .text |
| + .global memset |
| + .type memset, @function |
| + |
| + .global __memset |
| + .hidden __memset |
| + .type __memset, @function |
| + |
| + .align 1 |
| +memset: |
| +__memset: |
| + cp.w n, 32 |
| + mov r9, s |
| + brge .Llarge_memset |
| + |
| + sub n, 1 |
| + retlt s |
| +1: st.b s++, c |
| + sub n, 1 |
| + brge 1b |
| + |
| + retal r9 |
| + |
| +.Llarge_memset: |
| + mov r8, r11 |
| + mov r11, 3 |
| + bfins r8, r8, 8, 8 |
| + bfins r8, r8, 16, 16 |
| + tst s, r11 |
| + breq 2f |
| + |
| +1: st.b s++, r8 |
| + sub n, 1 |
| + tst s, r11 |
| + brne 1b |
| + |
| +2: mov r11, r9 |
| + mov r9, r8 |
| + sub n, 8 |
| + |
| +3: st.d s++, r8 |
| + sub n, 8 |
| + brge 3b |
| + |
| + /* If we are done, n == -8 and we'll skip all st.b insns below */ |
| + neg n |
| + lsl n, 1 |
| + add pc, n |
| + .rept 7 |
| + st.b s++, r8 |
| + .endr |
| + retal r11 |
| + |
| + .size memset, . - memset |
| + |
| +libc_hidden_def(memset) |
| diff --git a/libc/string/avr32/strcmp.S b/libc/string/avr32/strcmp.S |
| new file mode 100644 |
| index 0000000..f73bd43 |
| --- /dev/null |
| +++ b/libc/string/avr32/strcmp.S |
| @@ -0,0 +1,91 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +#include <features.h> |
| + |
| +#define s1 r12 |
| +#define s2 r11 |
| +#define len r10 |
| + |
| + .text |
| + .global strcmp |
| + .type strcmp, @function |
| + .align 1 |
| +strcmp: |
| + mov r8, 3 |
| + tst s1, r8 |
| + brne .Lunaligned_s1 |
| + tst s2, r8 |
| + brne .Lunaligned_s2 |
| + |
| +1: ld.w r8, s1++ |
| + ld.w r9, s2++ |
| + cp.w r8, r9 |
| + brne 2f |
| + tnbz r8 |
| + brne 1b |
| + retal 0 |
| + |
| +2: bfextu r12, r8, 24, 8 |
| + bfextu r11, r9, 24, 8 |
| + sub r12, r11 |
| + retne r12 |
| + cp.w r11, 0 |
| + reteq 0 |
| + bfextu r12, r8, 16, 8 |
| + bfextu r11, r9, 16, 8 |
| + sub r12, r11 |
| + retne r12 |
| + cp.w r11, 0 |
| + reteq 0 |
| + bfextu r12, r8, 8, 8 |
| + bfextu r11, r9, 8, 8 |
| + sub r12, r11 |
| + retne r12 |
| + cp.w r11, 0 |
| + reteq 0 |
| + bfextu r12, r8, 0, 8 |
| + bfextu r11, r9, 0, 8 |
| + sub r12, r11 |
| + retal r12 |
| + |
| +.Lunaligned_s1: |
| +3: tst s1, r8 |
| + breq 4f |
| + ld.ub r10, s1++ |
| + ld.ub r9, s2++ |
| + sub r10, r9 |
| + retne r10 |
| + cp.w r9, 0 |
| + brne 3b |
| + retal r10 |
| + |
| +4: tst s2, r8 |
| + breq 1b |
| + |
| +.Lunaligned_s2: |
| + /* |
| + * s1 and s2 can't both be aligned, and unaligned word loads |
| + * can trigger spurious exceptions if we cross a page boundary. |
| + * Do it the slow way... |
| + */ |
| +1: ld.ub r8, s1++ |
| + ld.ub r9, s2++ |
| + sub r8, r9 |
| + retne r8 |
| + cp.w r9, 0 |
| + brne 1b |
| + retal 0 |
| + |
| + .size strcmp, . - strcmp |
| + |
| +libc_hidden_def(strcmp) |
| +#ifndef __UCLIBC_HAS_LOCALE__ |
| +strong_alias(strcmp, strcoll) |
| +libc_hidden_def(strcoll) |
| +#endif |
| diff --git a/libc/string/avr32/strlen.S b/libc/string/avr32/strlen.S |
| new file mode 100644 |
| index 0000000..5223e53 |
| --- /dev/null |
| +++ b/libc/string/avr32/strlen.S |
| @@ -0,0 +1,62 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +#include <features.h> |
| + |
| +#define str r12 |
| + |
| + .text |
| + .global strlen |
| + .type strlen, @function |
| +strlen: |
| + mov r11, r12 |
| + |
| + mov r9, str |
| + andl r9, 3, COH |
| + brne .Lunaligned_str |
| + |
| +1: ld.w r8, str++ |
| + tnbz r8 |
| + brne 1b |
| + |
| + sub r12, r11 |
| + bfextu r9, r8, 24, 8 |
| + cp.w r9, 0 |
| + subeq r12, 4 |
| + reteq r12 |
| + bfextu r9, r8, 16, 8 |
| + cp.w r9, 0 |
| + subeq r12, 3 |
| + reteq r12 |
| + bfextu r9, r8, 8, 8 |
| + cp.w r9, 0 |
| + subeq r12, 2 |
| + reteq r12 |
| + sub r12, 1 |
| + retal r12 |
| + |
| +.Lunaligned_str: |
| + add pc, pc, r9 << 3 |
| + sub r0, r0, 0 /* 4-byte nop */ |
| + ld.ub r8, str++ |
| + sub r8, r8, 0 |
| + breq 1f |
| + ld.ub r8, str++ |
| + sub r8, r8, 0 |
| + breq 1f |
| + ld.ub r8, str++ |
| + sub r8, r8, 0 |
| + brne 1b |
| + |
| +1: sub r12, 1 |
| + sub r12, r11 |
| + retal r12 |
| + |
| + .size strlen, . - strlen |
| + |
| +libc_hidden_def(strlen) |
| diff --git a/libc/sysdeps/linux/avr32/Makefile b/libc/sysdeps/linux/avr32/Makefile |
| new file mode 100644 |
| index 0000000..338abc0 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/Makefile |
| @@ -0,0 +1,25 @@ |
| +# Makefile for uClibc |
| +# |
| +# Copyright (C) 2000-2003 Erik Andersen <andersen@uclibc.org> |
| +# |
| +# This program is free software; you can redistribute it and/or modify it under |
| +# the terms of the GNU Library General Public License as published by the Free |
| +# Software Foundation; either version 2 of the License, or (at your option) any |
| +# later version. |
| +# |
| +# This program is distributed in the hope that it will be useful, but WITHOUT |
| +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| +# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more |
| +# details. |
| +# |
| +# You should have received a copy of the GNU Library General Public License |
| +# along with this program; if not, write to the Free Software Foundation, Inc., |
| +# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| + |
| +top_srcdir=../../../../ |
| +top_builddir=../../../../ |
| +all: objs |
| + |
| +include $(top_builddir)Rules.mak |
| +include Makefile.arch |
| +include $(top_srcdir)Makerules |
| diff --git a/libc/sysdeps/linux/avr32/Makefile.arch b/libc/sysdeps/linux/avr32/Makefile.arch |
| new file mode 100644 |
| index 0000000..44fc01e |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/Makefile.arch |
| @@ -0,0 +1,13 @@ |
| +# Makefile for uClibc |
| +# |
| +# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> |
| +# |
| +# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| +# |
| + |
| +CSRC := brk.c clone.c mmap.c sigaction.c |
| + |
| +SSRC := __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \ |
| + sigrestorer.S syscall.S vfork.S |
| + |
| +include $(top_srcdir)/libc/sysdeps/linux/Makefile.commonarch |
| diff --git a/libc/sysdeps/linux/avr32/__longjmp.S b/libc/sysdeps/linux/avr32/__longjmp.S |
| new file mode 100644 |
| index 0000000..6154bb2 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/__longjmp.S |
| @@ -0,0 +1,21 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| + .global __longjmp |
| + .type __longjmp,"function" |
| + .align 1 |
| +__longjmp: |
| + ldm r12++, r0-r8,sp,lr |
| + mustr r8 /* restore status register (lower half) */ |
| + cp r11, 0 /* can't return zero */ |
| + frs |
| + moveq r11, 1 |
| + retal r11 |
| + .size __longjmp, . - __longjmp |
| + |
| +libc_hidden_def(__longjmp) |
| diff --git a/libc/sysdeps/linux/avr32/bits/atomic.h b/libc/sysdeps/linux/avr32/bits/atomic.h |
| new file mode 100644 |
| index 0000000..e6be41f |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/atomic.h |
| @@ -0,0 +1,120 @@ |
| +/* |
| + * Copyright (C) 2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| +#ifndef _AVR32_BITS_ATOMIC_H |
| +#define _AVR32_BITS_ATOMIC_H 1 |
| + |
| +#include <inttypes.h> |
| + |
| +typedef int32_t atomic32_t; |
| +typedef uint32_t uatomic32_t; |
| +typedef int_fast32_t atomic_fast32_t; |
| +typedef uint_fast32_t uatomic_fast32_t; |
| + |
| +typedef intptr_t atomicptr_t; |
| +typedef uintptr_t uatomicptr_t; |
| +typedef intmax_t atomic_max_t; |
| +typedef uintmax_t uatomic_max_t; |
| + |
| +#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \ |
| + (abort(), 0) |
| + |
| +#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \ |
| + (abort(), 0) |
| + |
| +#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ |
| + ({ \ |
| + __typeof__(*(mem)) __prev; \ |
| + __asm__ __volatile__( \ |
| + "/* __arch_compare_and_exchange_val_32_acq */\n" \ |
| + "1: ssrf 5\n" \ |
| + " ld.w %[result], %[m]\n" \ |
| + " cp.w %[result], %[old]\n" \ |
| + " brne 2f\n" \ |
| + " stcond %[m], %[new]\n" \ |
| + " brne 1b\n" \ |
| + "2:" \ |
| + : [result] "=&r"(__result), [m] "=m"(*(mem)) \ |
| + : "m"(*(mem)), [old] "ir"(oldval), \ |
| + [new] "r"(newval) \ |
| + : "memory", "cc"); \ |
| + __prev; \ |
| + }) |
| + |
| +#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \ |
| + (abort(), 0) |
| + |
| +#define __arch_exchange_32_acq(mem, newval) \ |
| + ({ \ |
| + __typeof__(*(mem)) __oldval; \ |
| + __asm__ __volatile__( \ |
| + "/*__arch_exchange_32_acq */\n" \ |
| + " xchg %[old], %[m], %[new]" \ |
| + : [old] "=&r"(__oldval) \ |
| + : [m] "r"(mem), [new] "r"(newval) \ |
| + : "memory"); \ |
| + __oldval; \ |
| + }) |
| + |
| +#define __arch_atomic_exchange_and_add_32(mem, value) \ |
| + ({ \ |
| + __typeof__(*(mem)) __oldval, __tmp; \ |
| + __asm__ __volatile__( \ |
| + "/* __arch_atomic_exchange_and_add_32 */\n" \ |
| + "1: ssrf 5\n" \ |
| + " ld.w %[old], %[m]\n" \ |
| + " add %[tmp], %[old], %[val]\n" \ |
| + " stcond %[m], %[tmp]\n" \ |
| + " brne 1b" \ |
| + : [old] "=&r"(__oldval), [tmp] "=&r"(__tmp), \ |
| + [m] "=m"(*(mem)) \ |
| + : "m"(*(mem)), [val] "r"(value) \ |
| + : "memory", "cc"); \ |
| + __oldval; \ |
| + }) |
| + |
| +#define __arch_atomic_decrement_if_positive_32(mem) \ |
| + ({ \ |
| + __typeof__(*(mem)) __oldval, __tmp; \ |
| + __asm__ __volatile__( \ |
| + "/* __arch_atomic_decrement_if_positive_32 */\n" \ |
| + "1: ssrf 5\n" \ |
| + " ld.w %[old], %[m]\n" \ |
| + " sub %[tmp], %[old], 1\n" \ |
| + " brlt 2f\n" \ |
| + " stcond %[m], %[tmp]\n" \ |
| + " brne 1b" \ |
| + "2:" \ |
| + : [old] "=&r"(__oldval), [tmp] "=&r"(__tmp), \ |
| + [m] "=m"(*(mem)) \ |
| + : "m"(*(mem)) \ |
| + : "memory", "cc"); \ |
| + __oldval; \ |
| + }) |
| + |
| +#define atomic_exchange_acq(mem, newval) \ |
| + ({ \ |
| + if (sizeof(*(mem)) != 4) \ |
| + abort(); \ |
| + __arch_exchange_32_acq(mem, newval); \ |
| + }) |
| + |
| +#define atomic_exchange_and_add(mem, newval) \ |
| + ({ \ |
| + if (sizeof(*(mem)) != 4) \ |
| + abort(); \ |
| + __arch_atomic_exchange_and_add_32(mem, newval); \ |
| + }) |
| + |
| +#define atomic_decrement_if_positive(mem) \ |
| + ({ \ |
| + if (sizeof(*(mem)) != 4) \ |
| + abort(); \ |
| + __arch_atomic_decrement_if_positive_32(mem); \ |
| + }) |
| + |
| +#endif /* _AVR32_BITS_ATOMIC_H */ |
| diff --git a/libc/sysdeps/linux/avr32/bits/byteswap.h b/libc/sysdeps/linux/avr32/bits/byteswap.h |
| new file mode 100644 |
| index 0000000..1c030b9 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/byteswap.h |
| @@ -0,0 +1,70 @@ |
| +/* |
| + * Copyright (C) 2005 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +#if !defined _BYTESWAP_H && !defined _NETINET_IN_H |
| +# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead." |
| +#endif |
| + |
| +#ifndef _BITS_BYTESWAP_H |
| +#define _BITS_BYTESWAP_H 1 |
| + |
| +/* Swap bytes in 16 bit value. */ |
| +#if defined __GNUC__ |
| +# define __bswap_16(x) (__extension__ __builtin_bswap_16(x)) |
| +#else |
| +/* This is better than nothing. */ |
| +static __inline unsigned short int |
| +__bswap_16 (unsigned short int __bsx) |
| +{ |
| + return ((((__bsx) >> 8) & 0xff) | (((__bsx) & 0xff) << 8)); |
| +} |
| +#endif |
| + |
| +/* Swap bytes in 32 bit value. */ |
| +#if defined __GNUC__ |
| +# define __bswap_32(x) (__extension__ __builtin_bswap_32(x)) |
| +#else |
| +static __inline unsigned int |
| +__bswap_32 (unsigned int __bsx) |
| +{ |
| + return ((((__bsx) & 0xff000000) >> 24) | (((__bsx) & 0x00ff0000) >> 8) | |
| + (((__bsx) & 0x0000ff00) << 8) | (((__bsx) & 0x000000ff) << 24)); |
| +} |
| +#endif |
| + |
| +#if defined __GNUC__ |
| +/* Swap bytes in 64 bit value. */ |
| +# define __bswap_constant_64(x) \ |
| + ((((x) & 0xff00000000000000ull) >> 56) \ |
| + | (((x) & 0x00ff000000000000ull) >> 40) \ |
| + | (((x) & 0x0000ff0000000000ull) >> 24) \ |
| + | (((x) & 0x000000ff00000000ull) >> 8) \ |
| + | (((x) & 0x00000000ff000000ull) << 8) \ |
| + | (((x) & 0x0000000000ff0000ull) << 24) \ |
| + | (((x) & 0x000000000000ff00ull) << 40) \ |
| + | (((x) & 0x00000000000000ffull) << 56)) |
| + |
| +# define __bswap_64(x) \ |
| + (__extension__ \ |
| + ({ \ |
| + union { \ |
| + __extension__ unsigned long long int __ll; \ |
| + unsigned int __l[2]; \ |
| + } __w, __r; \ |
| + if (__builtin_constant_p(x)) \ |
| + __r.__ll = __bswap_constant_64(x); \ |
| + else { \ |
| + __w.__ll = (x); \ |
| + __r.__l[0] = __bswap_32(__w.__l[1]); \ |
| + __r.__l[1] = __bswap_32(__w.__l[0]); \ |
| + } \ |
| + __r.__ll; \ |
| + })) |
| +#endif |
| + |
| +#endif /* _BITS_BYTESWAP_H */ |
| diff --git a/libc/sysdeps/linux/avr32/bits/endian.h b/libc/sysdeps/linux/avr32/bits/endian.h |
| new file mode 100644 |
| index 0000000..7bb6358 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/endian.h |
| @@ -0,0 +1,7 @@ |
| +/* AVR32 is big-endian */ |
| + |
| +#ifndef _ENDIAN_H |
| +# error "Never use <bits/endian.h> directly; include <endian.h> instead." |
| +#endif |
| + |
| +#define __BYTE_ORDER __BIG_ENDIAN |
| diff --git a/libc/sysdeps/linux/avr32/bits/fcntl.h b/libc/sysdeps/linux/avr32/bits/fcntl.h |
| new file mode 100644 |
| index 0000000..1abff17 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/fcntl.h |
| @@ -0,0 +1,165 @@ |
| +#ifndef _FCNTL_H |
| +# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." |
| +#endif |
| + |
| +#include <sys/types.h> |
| + |
| +/* |
| + * open/fcntl - O_SYNC is only implemented on blocks devices and on files |
| + * located on an ext2 file system |
| + */ |
| +#define O_ACCMODE 00000003 |
| +#define O_RDONLY 00000000 |
| +#define O_WRONLY 00000001 |
| +#define O_RDWR 00000002 |
| +#define O_CREAT 00000100 /* not fcntl */ |
| +#define O_EXCL 00000200 /* not fcntl */ |
| +#define O_NOCTTY 00000400 /* not fcntl */ |
| +#define O_TRUNC 00001000 /* not fcntl */ |
| +#define O_APPEND 00002000 |
| +#define O_NONBLOCK 00004000 |
| +#define O_NDELAY O_NONBLOCK |
| +#define O_SYNC 00010000 |
| +#define O_ASYNC 00020000 |
| + |
| +#ifdef __USE_GNU |
| +# define O_DIRECT 00040000 /* must be a directory */ |
| +# define O_DIRECTORY 00200000 /* direct disk access */ |
| +# define O_NOFOLLOW 00400000 /* don't follow links */ |
| +# define O_NOATIME 01000000 /* don't set atime */ |
| +#endif |
| + |
| +#ifdef __USE_LARGEFILE64 |
| +# define O_LARGEFILE 00100000 |
| +#endif |
| + |
| +/* For now Linux has synchronisity options for data and read operations. |
| + We define the symbols here but let them do the same as O_SYNC since |
| + this is a superset. */ |
| +#if defined __USE_POSIX199309 || defined __USE_UNIX98 |
| +# define O_DSYNC O_SYNC /* Synchronize data. */ |
| +# define O_RSYNC O_SYNC /* Synchronize read operations. */ |
| +#endif |
| + |
| +#define F_DUPFD 0 /* dup */ |
| +#define F_GETFD 1 /* get close_on_exec */ |
| +#define F_SETFD 2 /* set/clear close_on_exec */ |
| +#define F_GETFL 3 /* get file->f_flags */ |
| +#define F_SETFL 4 /* set file->f_flags */ |
| + |
| +#ifndef __USE_FILE_OFFSET64 |
| +# define F_GETLK 5 |
| +# define F_SETLK 6 |
| +# define F_SETLKW 7 |
| +#else |
| +# define F_GETLK F_GETLK64 |
| +# define F_SETLK F_SETLK64 |
| +# define F_SETLKW F_SETLKW64 |
| +#endif |
| +#define F_GETLK64 12 /* using 'struct flock64' */ |
| +#define F_SETLK64 13 |
| +#define F_SETLKW64 14 |
| + |
| +#if defined __USE_BSD || defined __USE_XOPEN2K |
| +# define F_SETOWN 8 /* for sockets. */ |
| +# define F_GETOWN 9 /* for sockets. */ |
| +#endif |
| + |
| +#ifdef __USE_GNU |
| +# define F_SETSIG 10 /* for sockets. */ |
| +# define F_GETSIG 11 /* for sockets. */ |
| +#endif |
| + |
| +#ifdef __USE_GNU |
| +# define F_SETLEASE 1024 /* Set a lease. */ |
| +# define F_GETLEASE 1025 /* Enquire what lease is active. */ |
| +# define F_NOTIFY 1026 /* Request notfications on a directory. */ |
| +#endif |
| + |
| +/* for F_[GET|SET]FL */ |
| +#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ |
| + |
| +/* for posix fcntl() and lockf() */ |
| +#define F_RDLCK 0 |
| +#define F_WRLCK 1 |
| +#define F_UNLCK 2 |
| + |
| +/* for old implementation of bsd flock () */ |
| +#define F_EXLCK 4 /* or 3 */ |
| +#define F_SHLCK 8 /* or 4 */ |
| + |
| +/* for leases */ |
| +#define F_INPROGRESS 16 |
| + |
| +#ifdef __USE_BSD |
| +/* operations for bsd flock(), also used by the kernel implementation */ |
| +# define LOCK_SH 1 /* shared lock */ |
| +# define LOCK_EX 2 /* exclusive lock */ |
| +# define LOCK_NB 4 /* or'd with one of the above to prevent |
| + blocking */ |
| +# define LOCK_UN 8 /* remove lock */ |
| +#endif |
| + |
| +#ifdef __USE_GNU |
| +# define LOCK_MAND 32 /* This is a mandatory flock */ |
| +# define LOCK_READ 64 /* ... Which allows concurrent |
| + read operations */ |
| +# define LOCK_WRITE 128 /* ... Which allows concurrent |
| + write operations */ |
| +# define LOCK_RW 192 /* ... Which allows concurrent |
| + read & write ops */ |
| +#endif |
| + |
| +#ifdef __USE_GNU |
| +/* Types of directory notifications that may be requested with F_NOTIFY. */ |
| +# define DN_ACCESS 0x00000001 /* File accessed. */ |
| +# define DN_MODIFY 0x00000002 /* File modified. */ |
| +# define DN_CREATE 0x00000004 /* File created. */ |
| +# define DN_DELETE 0x00000008 /* File removed. */ |
| +# define DN_RENAME 0x00000010 /* File renamed. */ |
| +# define DN_ATTRIB 0x00000020 /* File changed attibutes. */ |
| +# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */ |
| +#endif |
| + |
| +struct flock { |
| + short l_type; |
| + short l_whence; |
| +#ifndef __USE_FILE_OFFSET64 |
| + __off_t l_start; |
| + __off_t l_len; |
| +#else |
| + __off64_t l_start; |
| + __off64_t l_len; |
| +#endif |
| + __pid_t l_pid; |
| +}; |
| + |
| +#ifdef __USE_LARGEFILE64 |
| +struct flock64 { |
| + short l_type; |
| + short l_whence; |
| + __off64_t l_start; |
| + __off64_t l_len; |
| + __pid_t l_pid; |
| +}; |
| +#endif |
| + |
| +/* Define some more compatibility macros to be backward compatible with |
| + * BSD systems which did not managed to hide these kernel macros. */ |
| +#ifdef __USE_BSD |
| +# define FAPPEND O_APPEND |
| +# define FFSYNC O_FSYNC |
| +# define FASYNC O_ASYNC |
| +# define FNONBLOCK O_NONBLOCK |
| +# define FNDELAY O_NDELAY |
| +#endif /* Use BSD. */ |
| + |
| +/* Advise to `posix_fadvise'. */ |
| +#ifdef __USE_XOPEN2K |
| +# define POSIX_FADV_NORMAL 0 /* No further special treatment. */ |
| +# define POSIX_FADV_RANDOM 1 /* Expect random page references. */ |
| +# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ |
| +# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ |
| +# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ |
| +# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ |
| +#endif |
| diff --git a/libc/sysdeps/linux/avr32/bits/kernel_stat.h b/libc/sysdeps/linux/avr32/bits/kernel_stat.h |
| new file mode 100644 |
| index 0000000..f97d23b |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/kernel_stat.h |
| @@ -0,0 +1,67 @@ |
| +#ifndef _BITS_STAT_STRUCT_H |
| +#define _BITS_STAT_STRUCT_H |
| + |
| +#ifndef _LIBC |
| +#error bits/kernel_stat.h is for internal uClibc use only! |
| +#endif |
| + |
| +/* |
| + * This file provides struct stat, taken from kernel 2.6.4. Verified |
| + * to match kernel 2.6.22. |
| + */ |
| + |
| +struct kernel_stat { |
| + unsigned long st_dev; |
| + unsigned long st_ino; |
| + unsigned short st_mode; |
| + unsigned short st_nlink; |
| + unsigned short st_uid; |
| + unsigned short st_gid; |
| + unsigned long st_rdev; |
| + unsigned long st_size; |
| + unsigned long st_blksize; |
| + unsigned long st_blocks; |
| + unsigned long st_atime; |
| + unsigned long st_atime_nsec; |
| + unsigned long st_mtime; |
| + unsigned long st_mtime_nsec; |
| + unsigned long st_ctime; |
| + unsigned long st_ctime_nsec; |
| + unsigned long __unused4; |
| + unsigned long __unused5; |
| +}; |
| + |
| +#define STAT_HAVE_NSEC 1 |
| + |
| +struct kernel_stat64 { |
| + unsigned long long st_dev; |
| + |
| + unsigned long long st_ino; |
| + unsigned int st_mode; |
| + unsigned int st_nlink; |
| + |
| + unsigned long st_uid; |
| + unsigned long st_gid; |
| + |
| + unsigned long long st_rdev; |
| + |
| + long long st_size; |
| + unsigned long __pad1; |
| + unsigned long st_blksize; |
| + |
| + unsigned long long st_blocks; |
| + |
| + unsigned long st_atime; |
| + unsigned long st_atime_nsec; |
| + |
| + unsigned long st_mtime; |
| + unsigned long st_mtime_nsec; |
| + |
| + unsigned long st_ctime; |
| + unsigned long st_ctime_nsec; |
| + |
| + unsigned long __unused1; |
| + unsigned long __unused2; |
| +}; |
| + |
| +#endif /* _BITS_STAT_STRUCT_H */ |
| diff --git a/libc/sysdeps/linux/avr32/bits/kernel_types.h b/libc/sysdeps/linux/avr32/bits/kernel_types.h |
| new file mode 100644 |
| index 0000000..f7d8b52 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/kernel_types.h |
| @@ -0,0 +1,55 @@ |
| +/* Note that we use the exact same include guard #define names |
| + * as asm/posix_types.h. This will avoid gratuitous conflicts |
| + * with the posix_types.h kernel header, and will ensure that |
| + * our private content, and not the kernel header, will win. |
| + * -Erik |
| + */ |
| +#ifndef __ASM_AVR32_POSIX_TYPES_H |
| +#define __ASM_AVR32_POSIX_TYPES_H |
| + |
| +/* |
| + * This file is generally used by user-level software, so you need to |
| + * be a little careful about namespace pollution etc. Also, we cannot |
| + * assume GCC is being used. |
| + */ |
| + |
| +typedef unsigned long __kernel_dev_t; |
| +typedef unsigned long __kernel_ino_t; |
| +typedef unsigned short __kernel_mode_t; |
| +typedef unsigned short __kernel_nlink_t; |
| +typedef long __kernel_off_t; |
| +typedef int __kernel_pid_t; |
| +typedef unsigned short __kernel_ipc_pid_t; |
| +typedef unsigned int __kernel_uid_t; |
| +typedef unsigned int __kernel_gid_t; |
| +typedef unsigned long __kernel_size_t; |
| +typedef long __kernel_ssize_t; |
| +typedef int __kernel_ptrdiff_t; |
| +typedef long __kernel_time_t; |
| +typedef long __kernel_suseconds_t; |
| +typedef long __kernel_clock_t; |
| +typedef int __kernel_timer_t; |
| +typedef int __kernel_clockid_t; |
| +typedef int __kernel_daddr_t; |
| +typedef char * __kernel_caddr_t; |
| +typedef unsigned short __kernel_uid16_t; |
| +typedef unsigned short __kernel_gid16_t; |
| +typedef unsigned int __kernel_uid32_t; |
| +typedef unsigned int __kernel_gid32_t; |
| +typedef unsigned short __kernel_old_uid_t; |
| +typedef unsigned short __kernel_old_gid_t; |
| +typedef unsigned short __kernel_old_dev_t; |
| + |
| +#ifdef __GNUC__ |
| +typedef long long __kernel_loff_t; |
| +#endif |
| + |
| +typedef struct { |
| +#if defined(__USE_ALL) |
| + int val[2]; |
| +#else |
| + int __val[2]; |
| +#endif |
| +} __kernel_fsid_t; |
| + |
| +#endif /* __ASM_AVR32_POSIX_TYPES_H */ |
| diff --git a/libc/sysdeps/linux/avr32/bits/mman.h b/libc/sysdeps/linux/avr32/bits/mman.h |
| new file mode 100644 |
| index 0000000..5f6e3c3 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/mman.h |
| @@ -0,0 +1,103 @@ |
| +/* Definitions for POSIX memory map interface. Linux/AVR32 version. |
| + Copyright (C) 1997, 2000 Free Software Foundation, Inc. |
| + This file is part of the GNU C Library. |
| + |
| + The GNU C Library is free software; you can redistribute it and/or |
| + modify it under the terms of the GNU Lesser General Public |
| + License as published by the Free Software Foundation; either |
| + version 2.1 of the License, or (at your option) any later version. |
| + |
| + The GNU C Library is distributed in the hope that it will be useful, |
| + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| + Lesser General Public License for more details. |
| + |
| + You should have received a copy of the GNU Lesser General Public |
| + License along with the GNU C Library; if not, write to the Free |
| + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| + 02111-1307 USA. */ |
| + |
| +#ifndef _SYS_MMAN_H |
| +# error "Never include this file directly. Use <sys/mman.h> instead" |
| +#endif |
| + |
| +/* The following definitions basically come from the kernel headers. |
| + But the kernel header is not namespace clean. */ |
| + |
| + |
| +/* Protections are chosen from these bits, OR'd together. The |
| + implementation does not necessarily support PROT_EXEC or PROT_WRITE |
| + without PROT_READ. The only guarantees are that no writing will be |
| + allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */ |
| + |
| +#define PROT_READ 0x1 /* Page can be read. */ |
| +#define PROT_WRITE 0x2 /* Page can be written. */ |
| +#define PROT_EXEC 0x4 /* Page can be executed. */ |
| +#define PROT_NONE 0x0 /* Page can not be accessed. */ |
| +#define PROT_GROWSDOWN 0x01000000 /* Extend change to start of |
| + growsdown vma (mprotect only). */ |
| +#define PROT_GROWSUP 0x02000000 /* Extend change to start of |
| + growsup vma (mprotect only). */ |
| + |
| +/* Sharing types (must choose one and only one of these). */ |
| +#define MAP_SHARED 0x01 /* Share changes. */ |
| +#define MAP_PRIVATE 0x02 /* Changes are private. */ |
| +#ifdef __USE_MISC |
| +# define MAP_TYPE 0x0f /* Mask for type of mapping. */ |
| +#endif |
| + |
| +/* Other flags. */ |
| +#define MAP_FIXED 0x10 /* Interpret addr exactly. */ |
| +#ifdef __USE_MISC |
| +# define MAP_FILE 0 |
| +# define MAP_ANONYMOUS 0x20 /* Don't use a file. */ |
| +# define MAP_ANON MAP_ANONYMOUS |
| +#endif |
| + |
| +/* These are Linux-specific. */ |
| +#ifdef __USE_MISC |
| +# define MAP_GROWSDOWN 0x0100 /* Stack-like segment. */ |
| +# define MAP_DENYWRITE 0x0800 /* ETXTBSY */ |
| +# define MAP_EXECUTABLE 0x1000 /* Mark it as an executable. */ |
| +# define MAP_LOCKED 0x2000 /* Lock the mapping. */ |
| +# define MAP_NORESERVE 0x4000 /* Don't check for reservations. */ |
| +# define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ |
| +# define MAP_NONBLOCK 0x10000 /* do not block on IO */ |
| +#endif |
| + |
| +/* Flags to `msync'. */ |
| +#define MS_ASYNC 1 /* Sync memory asynchronously. */ |
| +#define MS_SYNC 4 /* Synchronous memory sync. */ |
| +#define MS_INVALIDATE 2 /* Invalidate the caches. */ |
| + |
| +/* Flags for `mlockall'. */ |
| +#define MCL_CURRENT 1 /* Lock all currently mapped pages. */ |
| +#define MCL_FUTURE 2 /* Lock all additions to address |
| + space. */ |
| + |
| +/* Flags for `mremap'. */ |
| +#ifdef __USE_GNU |
| +# define MREMAP_MAYMOVE 1 |
| +# define MREMAP_FIXED 2 |
| +#endif |
| + |
| +/* Advise to `madvise'. */ |
| +#ifdef __USE_BSD |
| +# define MADV_NORMAL 0 /* No further special treatment. */ |
| +# define MADV_RANDOM 1 /* Expect random page references. */ |
| +# define MADV_SEQUENTIAL 2 /* Expect sequential page references. */ |
| +# define MADV_WILLNEED 3 /* Will need these pages. */ |
| +# define MADV_DONTNEED 4 /* Don't need these pages. */ |
| +# define MADV_REMOVE 9 /* Remove these pages and resources. */ |
| +# define MADV_DONTFORK 10 /* Do not inherit across fork. */ |
| +# define MADV_DOFORK 11 /* Do inherit across fork. */ |
| +#endif |
| + |
| +/* The POSIX people had to invent similar names for the same things. */ |
| +#ifdef __USE_XOPEN2K |
| +# define POSIX_MADV_NORMAL 0 /* No further special treatment. */ |
| +# define POSIX_MADV_RANDOM 1 /* Expect random page references. */ |
| +# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references. */ |
| +# define POSIX_MADV_WILLNEED 3 /* Will need these pages. */ |
| +# define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */ |
| +#endif |
| diff --git a/libc/sysdeps/linux/avr32/bits/setjmp.h b/libc/sysdeps/linux/avr32/bits/setjmp.h |
| new file mode 100644 |
| index 0000000..78348a3 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/setjmp.h |
| @@ -0,0 +1,30 @@ |
| +/* |
| + * Copyright (C) 2004-2005 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| +#ifndef _BITS_SETJMP_H |
| +#define _BITS_SETJMP_H 1 |
| + |
| +#if !defined _SETJMP_H && !defined _PTHREAD_H |
| +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." |
| +#endif |
| + |
| +#ifndef _ASM |
| +/* |
| + * The jump buffer contains r0-r7, sr, sp and lr. Other registers are |
| + * not saved. |
| + */ |
| +typedef int __jmp_buf[11]; |
| +#endif |
| + |
| +#define __JMP_BUF_SP 4 |
| + |
| +/* Test if longjmp to JMPBUF would unwind the frame containing a local |
| + variable at ADDRESS. */ |
| +#define _JMPBUF_UNWINDS(jmpbuf, address) \ |
| + ((void *)(address) < (void *)(jmpbuf[__JMP_BUF_SP])) |
| + |
| +#endif /* _BITS_SETJMP_H */ |
| diff --git a/libc/sysdeps/linux/avr32/bits/stackinfo.h b/libc/sysdeps/linux/avr32/bits/stackinfo.h |
| new file mode 100644 |
| index 0000000..29b8452 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/stackinfo.h |
| @@ -0,0 +1,28 @@ |
| +/* Copyright (C) 1999 Free Software Foundation, Inc. |
| + This file is part of the GNU C Library. |
| + |
| + The GNU C Library is free software; you can redistribute it and/or |
| + modify it under the terms of the GNU Lesser General Public |
| + License as published by the Free Software Foundation; either |
| + version 2.1 of the License, or (at your option) any later version. |
| + |
| + The GNU C Library is distributed in the hope that it will be useful, |
| + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| + Lesser General Public License for more details. |
| + |
| + You should have received a copy of the GNU Lesser General Public |
| + License along with the GNU C Library; if not, write to the Free |
| + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| + 02111-1307 USA. */ |
| + |
| +/* This file contains a bit of information about the stack allocation |
| + of the processor. */ |
| + |
| +#ifndef _STACKINFO_H |
| +#define _STACKINFO_H 1 |
| + |
| +/* On AVR32 the stack grows down. */ |
| +#define _STACK_GROWS_DOWN 1 |
| + |
| +#endif /* stackinfo.h */ |
| diff --git a/libc/sysdeps/linux/avr32/bits/syscalls.h b/libc/sysdeps/linux/avr32/bits/syscalls.h |
| new file mode 100644 |
| index 0000000..22ac059 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/syscalls.h |
| @@ -0,0 +1,143 @@ |
| +#ifndef _BITS_SYSCALLS_H |
| +#define _BITS_SYSCALLS_H |
| +#ifndef _SYSCALL_H |
| +# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead." |
| +#endif |
| + |
| +/* |
| + * This includes the `__NR_<name>' syscall numbers taken from the |
| + * Linux kernel header files. It also defines the traditional |
| + * `SYS_<name>' macros for older programs. |
| + */ |
| +#include <bits/sysnum.h> |
| + |
| +#ifndef __ASSEMBLER__ |
| + |
| +#include <errno.h> |
| + |
| +#define SYS_ify(syscall_name) (__NR_##syscall_name) |
| + |
| +#undef _syscall0 |
| +#define _syscall0(type,name) \ |
| + type name(void) \ |
| + { \ |
| + return (type)(INLINE_SYSCALL(name, 0)); \ |
| + } |
| + |
| +#undef _syscall1 |
| +#define _syscall1(type,name,type1,arg1) \ |
| + type name(type1 arg1) \ |
| + { \ |
| + return (type)(INLINE_SYSCALL(name, 1, arg1)); \ |
| + } |
| + |
| +#undef _syscall2 |
| +#define _syscall2(type,name,type1,arg1,type2,arg2) \ |
| + type name(type1 arg1, type2 arg2) \ |
| + { \ |
| + return (type)(INLINE_SYSCALL(name, 2, arg1, arg2)); \ |
| + } |
| + |
| +#undef _syscall3 |
| +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
| + type name(type1 arg1, type2 arg2, type3 arg3) \ |
| + { \ |
| + return (type)(INLINE_SYSCALL(name, 3, arg1, \ |
| + arg2, arg3)); \ |
| + } |
| + |
| +#undef _syscall4 |
| +#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3, \ |
| + type4,arg4) \ |
| + type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ |
| + { \ |
| + return (type)(INLINE_SYSCALL(name, 4, arg1, arg2, \ |
| + arg3, arg4)); \ |
| + } |
| + |
| +#undef _syscall5 |
| +#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3, \ |
| + type4,arg4,type5,arg5) \ |
| + type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ |
| + type5 arg5) \ |
| + { \ |
| + return (type)(INLINE_SYSCALL(name, 5, arg1, arg2, \ |
| + arg3, arg4, arg5)); \ |
| + } |
| + |
| +#undef _syscall6 |
| +#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3, \ |
| + type4,arg4,type5,arg5,type6,arg6) \ |
| + type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ |
| + type5 arg5, type6 arg6) \ |
| + { \ |
| + return (type)(INLINE_SYSCALL(name, 6, arg1, arg2, arg3, \ |
| + arg4, arg5, arg6)); \ |
| + } |
| + |
| +#undef unlikely |
| +#define unlikely(x) __builtin_expect((x), 0) |
| + |
| +#undef INLINE_SYSCALL |
| +#define INLINE_SYSCALL(name, nr, args...) \ |
| + ({ \ |
| + unsigned _sys_result = INTERNAL_SYSCALL(name, , nr, args); \ |
| + if (unlikely(INTERNAL_SYSCALL_ERROR_P(_sys_result, ))) { \ |
| + __set_errno(INTERNAL_SYSCALL_ERRNO(_sys_result, )); \ |
| + _sys_result = (unsigned int) -1; \ |
| + } \ |
| + (int) _sys_result; \ |
| + }) |
| + |
| +#undef INTERNAL_SYSCALL_DECL |
| +#define INTERNAL_SYSCALL_DECL(err) do { } while(0) |
| + |
| +#undef INTERNAL_SYSCALL |
| +#define INTERNAL_SYSCALL(name, err, nr, args...) \ |
| + ({ \ |
| + register int _a1 asm ("r12"); \ |
| + register int _scno asm("r8") = SYS_ify(name); \ |
| + LOAD_ARGS_##nr (args); \ |
| + asm volatile ("scall /* syscall " #name " */" \ |
| + : "=r" (_a1) \ |
| + : "r"(_scno) ASM_ARGS_##nr \ |
| + : "cc", "memory"); \ |
| + _a1; \ |
| + }) |
| + |
| +#undef INTERNAL_SYSCALL_ERROR_P |
| +#define INTERNAL_SYSCALL_ERROR_P(val, err) \ |
| + ((unsigned int)(val) >= 0xfffff001U) |
| + |
| +#undef INTERNAL_SYSCALL_ERRNO |
| +#define INTERNAL_SYSCALL_ERRNO(val, errr) (-(val)) |
| + |
| +#define LOAD_ARGS_0() do { } while(0) |
| +#define ASM_ARGS_0 |
| +#define LOAD_ARGS_1(a1) \ |
| + _a1 = (int) (a1); \ |
| + LOAD_ARGS_0() |
| +#define ASM_ARGS_1 ASM_ARGS_0, "r"(_a1) |
| +#define LOAD_ARGS_2(a1, a2) \ |
| + register int _a2 asm("r11") = (int)(a2); \ |
| + LOAD_ARGS_1(a1) |
| +#define ASM_ARGS_2 ASM_ARGS_1, "r"(_a2) |
| +#define LOAD_ARGS_3(a1, a2, a3) \ |
| + register int _a3 asm("r10") = (int)(a3); \ |
| + LOAD_ARGS_2(a1, a2) |
| +#define ASM_ARGS_3 ASM_ARGS_2, "r"(_a3) |
| +#define LOAD_ARGS_4(a1, a2, a3, a4) \ |
| + register int _a4 asm("r9") = (int)(a4); \ |
| + LOAD_ARGS_3(a1, a2, a3) |
| +#define ASM_ARGS_4 ASM_ARGS_3, "r"(_a4) |
| +#define LOAD_ARGS_5(a1, a2, a3, a4, a5) \ |
| + register int _a5 asm("r5") = (int)(a5); \ |
| + LOAD_ARGS_4(a1, a2, a3, a4) |
| +#define ASM_ARGS_5 ASM_ARGS_4, "r"(_a5) |
| +#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \ |
| + register int _a6 asm("r3") = (int)(a6); \ |
| + LOAD_ARGS_5(a1, a2, a3, a4, a5) |
| +#define ASM_ARGS_6 ASM_ARGS_5, "r"(_a6) |
| + |
| +#endif /* __ASSEMBLER__ */ |
| +#endif /* _BITS_SYSCALLS_H */ |
| diff --git a/libc/sysdeps/linux/avr32/bits/uClibc_arch_features.h b/libc/sysdeps/linux/avr32/bits/uClibc_arch_features.h |
| new file mode 100644 |
| index 0000000..e95e8a5 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/uClibc_arch_features.h |
| @@ -0,0 +1,45 @@ |
| +/* |
| + * Track misc arch-specific features that aren't config options |
| + */ |
| + |
| +#ifndef _BITS_UCLIBC_ARCH_FEATURES_H |
| +#define _BITS_UCLIBC_ARCH_FEATURES_H |
| + |
| +/* instruction used when calling abort() to kill yourself */ |
| +/* trigger illegal instruction exception, same as BUG in Linux */ |
| +#define __UCLIBC_ABORT_INSTRUCTION__ ".short 0x5df0" |
| + |
| +/* can your target use syscall6() for mmap ? */ |
| +#define __UCLIBC_MMAP_HAS_6_ARGS__ |
| + |
| +/* does your target use syscall4() for truncate64 ? (32bit arches only) */ |
| +#undef __UCLIBC_TRUNCATE64_HAS_4_ARGS__ |
| + |
| +/* does your target have a broken create_module() ? */ |
| +#undef __UCLIBC_BROKEN_CREATE_MODULE__ |
| + |
| +/* does your target have to worry about older [gs]etrlimit() ? */ |
| +#undef __UCLIBC_HANDLE_OLDER_RLIMIT__ |
| + |
| +/* does your target prefix all symbols with an _ ? */ |
| +#define __UCLIBC_NO_UNDERSCORES__ |
| + |
| +/* does your target have an asm .set ? */ |
| +#define __UCLIBC_HAVE_ASM_SET_DIRECTIVE__ |
| + |
| +/* define if target doesn't like .global */ |
| +#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__ |
| + |
| +/* define if target supports .weak */ |
| +#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__ |
| + |
| +/* define if target supports .weakext */ |
| +#undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__ |
| + |
| +/* needed probably only for ppc64 */ |
| +#undef __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__ |
| + |
| +/* define if target supports IEEE signed zero floats */ |
| +#define __UCLIBC_HAVE_SIGNED_ZERO__ |
| + |
| +#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */ |
| diff --git a/libc/sysdeps/linux/avr32/bits/wordsize.h b/libc/sysdeps/linux/avr32/bits/wordsize.h |
| new file mode 100644 |
| index 0000000..1b5842a |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bits/wordsize.h |
| @@ -0,0 +1 @@ |
| +#define __WORDSIZE 32 |
| diff --git a/libc/sysdeps/linux/avr32/brk.c b/libc/sysdeps/linux/avr32/brk.c |
| new file mode 100644 |
| index 0000000..a54b49a |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/brk.c |
| @@ -0,0 +1,31 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| +#include <errno.h> |
| +#include <unistd.h> |
| +#include <sys/syscall.h> |
| + |
| +libc_hidden_proto(brk) |
| + |
| +void *__curbrk attribute_hidden = 0; |
| + |
| +int brk (void *addr) |
| +{ |
| + void *newbrk; |
| + |
| + newbrk = (void *)INLINE_SYSCALL(brk, 1, addr); |
| + |
| + __curbrk = newbrk; |
| + |
| + if (newbrk < addr) { |
| + __set_errno (ENOMEM); |
| + return -1; |
| + } |
| + |
| + return 0; |
| +} |
| +libc_hidden_def(brk) |
| diff --git a/libc/sysdeps/linux/avr32/bsd-_setjmp.S b/libc/sysdeps/linux/avr32/bsd-_setjmp.S |
| new file mode 100644 |
| index 0000000..be66a10 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bsd-_setjmp.S |
| @@ -0,0 +1,16 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| + /* This just does a tail-call to __sigsetjmp(env, 0) */ |
| + .global _setjmp |
| + .type _setjmp,"function" |
| + .align 1 |
| +_setjmp: |
| + mov r11, 0 |
| + bral __GI___sigsetjmp |
| + .size _setjmp, . - _setjmp |
| diff --git a/libc/sysdeps/linux/avr32/bsd-setjmp.S b/libc/sysdeps/linux/avr32/bsd-setjmp.S |
| new file mode 100644 |
| index 0000000..4635eeb |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/bsd-setjmp.S |
| @@ -0,0 +1,16 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| + /* This just does a tail-call to __sigsetjmp(env, 1) */ |
| + .global setjmp |
| + .type setjmp,"function" |
| + .align 1 |
| +setjmp: |
| + mov r11, 1 |
| + bral __GI___sigsetjmp |
| + .size setjmp, . - setjmp |
| diff --git a/libc/sysdeps/linux/avr32/clone.c b/libc/sysdeps/linux/avr32/clone.c |
| new file mode 100644 |
| index 0000000..e43b0f3 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/clone.c |
| @@ -0,0 +1,41 @@ |
| +/* |
| + * Copyright (C) 2004 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| +#include <errno.h> |
| +#include <sys/syscall.h> |
| +#include <unistd.h> |
| + |
| +/* |
| + * I don't know if we can be absolutely certain that the fn and arg |
| + * parameters are preserved when returning as the child. If the |
| + * compiler stores them in registers (r0-r7), they should be. |
| + */ |
| +int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg) |
| +{ |
| + register int (*_fn)(void *arg) = fn; |
| + register void *_arg = arg; |
| + int err; |
| + |
| + /* Sanity check the arguments */ |
| + err = -EINVAL; |
| + if (!fn) |
| + goto syscall_error; |
| + if (!child_stack) |
| + goto syscall_error; |
| + |
| + err = INLINE_SYSCALL(clone, 2, flags, child_stack); |
| + if (err < 0) |
| + goto syscall_error; |
| + else if (err != 0) |
| + return err; |
| + |
| + _exit(_fn(_arg)); |
| + |
| +syscall_error: |
| + __set_errno (-err); |
| + return -1; |
| +} |
| diff --git a/libc/sysdeps/linux/avr32/crt1.S b/libc/sysdeps/linux/avr32/crt1.S |
| new file mode 100644 |
| index 0000000..ca1fa7a |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/crt1.S |
| @@ -0,0 +1,97 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + * |
| + * When we enter _start, the stack looks like this: |
| + * argc argument counter |
| + * argv[0] pointer to program name |
| + * argv[1..argc-1] pointers to program args |
| + * NULL |
| + * env[0..N] pointers to environment variables |
| + * NULL |
| + * |
| + * r12 contains a function pointer to be registered with `atexit'. |
| + * This is how the dynamic linker arranges to have DT_FINI functions |
| + * called for shared libraries that have been loaded before this |
| + * code runs. |
| + * |
| + * We're going to call the following function: |
| + * __uClibc_main(int (*main)(int, char **, char **), int argc, |
| + * char **argv, void (*app_init)(void), void (*app_fini)(void), |
| + * void (*rtld_fini)(void), void *stack_end) |
| + * |
| + * So we need to set up things as follows: |
| + * r12 = address of main |
| + * r11 = argc |
| + * r10 = &argv[0] |
| + * r9 = address of _init |
| + * r8 = address of _fini |
| + * sp[0] = whatever we got passed in r12 |
| + */ |
| + |
| +#include <features.h> |
| + |
| + .text |
| + .global _start |
| + .type _start, @function |
| +_start: |
| + /* Clear the frame pointer and link register since this is the outermost frame. */ |
| + mov r7, 0 |
| + mov lr, 0 |
| + |
| + ld.w r11, sp++ /* argc */ |
| + mov r10, sp /* &argv[0] */ |
| + |
| + st.w --sp, r10 /* stack_end */ |
| + st.w --sp, r12 /* rtld_fini */ |
| + |
| +#ifdef __PIC__ |
| + lddpc r6, .L_GOT |
| +.L_RGOT: |
| + rsub r6, pc |
| + lda.w r9, _init |
| + lda.w r8, _fini |
| + lda.w r12, main |
| + |
| + /* Ok, now run uClibc's main() -- should not return */ |
| + call __uClibc_main |
| + |
| + .align 2 |
| +.L_GOT: |
| + .long .L_RGOT - _GLOBAL_OFFSET_TABLE_ |
| +#else |
| + lddpc r9, __init_addr /* app_init */ |
| + lddpc r8, __fini_addr /* app_fini */ |
| + lddpc r12, __main_addr /* main */ |
| + |
| + /* Ok, now run uClibc's main() -- should not return */ |
| + lddpc pc, ___uClibc_main_addr |
| + |
| + .align 2 |
| +__init_addr: |
| + .long _init |
| +__fini_addr: |
| + .long _fini |
| +__main_addr: |
| + .long main |
| +___uClibc_main_addr: |
| + .long __uClibc_main |
| +#endif |
| + .size _start, . - _start |
| + |
| + /* |
| + * The LSB says we need this. |
| + */ |
| + .section ".note.ABI-tag", "a" |
| + .align 4 |
| + .long 2f - 1f /* namesz */ |
| + .long 4f - 3f /* descsz */ |
| + .long 1 /* type */ |
| +1: .asciz "GNU" /* name */ |
| +2: .align 4 |
| +3: .long 0 /* Linux executable */ |
| + .long 2,6,0 /* Earliest compatible kernel */ |
| +4: .align 4 |
| diff --git a/libc/sysdeps/linux/avr32/crti.S b/libc/sysdeps/linux/avr32/crti.S |
| new file mode 100644 |
| index 0000000..660f47c |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/crti.S |
| @@ -0,0 +1,26 @@ |
| + |
| + .section .init |
| + .align 2 |
| + .global _init |
| + .type _init, @function |
| +_init: |
| + stm --sp, r6, lr |
| + lddpc r6, 2f |
| +1: rsub r6, pc |
| + rjmp 3f |
| + .align 2 |
| +2: .long 1b - _GLOBAL_OFFSET_TABLE_ |
| +3: |
| + |
| + .section .fini |
| + .align 2 |
| + .global _fini |
| + .type _fini, @function |
| +_fini: |
| + stm --sp, r6, lr |
| + lddpc r6, 2f |
| +1: rsub r6, pc |
| + rjmp 3f |
| + .align 2 |
| +2: .long 1b - _GLOBAL_OFFSET_TABLE_ |
| +3: |
| diff --git a/libc/sysdeps/linux/avr32/crtn.S b/libc/sysdeps/linux/avr32/crtn.S |
| new file mode 100644 |
| index 0000000..f7d1040 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/crtn.S |
| @@ -0,0 +1,14 @@ |
| + |
| + .section .init |
| + .align 2 |
| + .global _init |
| + .type _init, @function |
| + ldm sp++, r6, pc |
| + .size _init, . - _init |
| + |
| + .section .fini |
| + .align 2 |
| + .global _fini |
| + .type _fini, @function |
| + ldm sp++, r6, pc |
| + .size _fini, . - _fini |
| diff --git a/libc/sysdeps/linux/avr32/mmap.c b/libc/sysdeps/linux/avr32/mmap.c |
| new file mode 100644 |
| index 0000000..2ee025a |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/mmap.c |
| @@ -0,0 +1,33 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +#include <errno.h> |
| +#include <unistd.h> |
| +#include <sys/mman.h> |
| +#include <sys/syscall.h> |
| + |
| +libc_hidden_proto(mmap) |
| + |
| +static _syscall6(__ptr_t, mmap2, __ptr_t, addr, size_t, len, int, prot, |
| + int, flags, int, fd, __off_t, pgoff); |
| + |
| +__ptr_t mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset) |
| +{ |
| + unsigned long page_size = sysconf(_SC_PAGESIZE); |
| + unsigned long pgoff; |
| + |
| + if (offset & (page_size - 1)) { |
| + __set_errno(EINVAL); |
| + return MAP_FAILED; |
| + } |
| + |
| + pgoff = (unsigned long)offset >> (31 - __builtin_clz(page_size)); |
| + |
| + return mmap2(addr, len, prot, flags, fd, pgoff); |
| +} |
| +libc_hidden_def(mmap) |
| diff --git a/libc/sysdeps/linux/avr32/setjmp.S b/libc/sysdeps/linux/avr32/setjmp.S |
| new file mode 100644 |
| index 0000000..7d0354b |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/setjmp.S |
| @@ -0,0 +1,29 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| +#define _SETJMP_H |
| +#define _ASM |
| +#include <bits/setjmp.h> |
| + |
| + .text |
| + |
| + .global __sigsetjmp |
| + .type __sigsetjmp,"function" |
| + |
| + .align 1 |
| +__sigsetjmp: |
| + mustr r8 |
| + stm r12, r0,r1,r2,r3,r4,r5,r6,r7,r8,sp,lr |
| + |
| + /* |
| + * Make a tail call to __sigjmp_save; it takes the same args |
| + * and is hidden so we don't need to mess around with the GOT. |
| + */ |
| + rjmp __sigjmp_save |
| + .size __sigsetjmp, . - __sigsetjmp |
| + |
| +libc_hidden_def(__sigsetjmp) |
| diff --git a/libc/sysdeps/linux/avr32/sigaction.c b/libc/sysdeps/linux/avr32/sigaction.c |
| new file mode 100644 |
| index 0000000..a97ff3d |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/sigaction.c |
| @@ -0,0 +1,59 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| +#include <errno.h> |
| +#include <signal.h> |
| +#include <string.h> |
| +#include <sys/syscall.h> |
| +#include <bits/kernel_sigaction.h> |
| + |
| +#define SA_RESTORER 0x04000000 |
| +extern void __default_rt_sa_restorer(void); |
| + |
| +libc_hidden_proto(memcpy) |
| + |
| +/* |
| + * If act is not NULL, change the action for sig to *act. |
| + * If oact is not NULL, put the old action for sig in *oact. |
| + */ |
| +int __libc_sigaction(int signum, const struct sigaction *act, |
| + struct sigaction *oldact) |
| +{ |
| + struct kernel_sigaction kact, koact; |
| + int result; |
| + |
| + if (act) { |
| + kact.k_sa_handler = act->sa_handler; |
| + memcpy(&kact.sa_mask, &act->sa_mask, sizeof (kact.sa_mask)); |
| + kact.sa_flags = act->sa_flags; |
| + if (kact.sa_flags & (SA_RESTORER | SA_ONSTACK)) |
| + kact.sa_restorer = act->sa_restorer; |
| + else |
| + kact.sa_restorer = __default_rt_sa_restorer; |
| + kact.sa_flags |= SA_RESTORER; |
| + } |
| + |
| + result = __syscall_rt_sigaction(signum, act ? __ptrvalue(&kact) : NULL, |
| + oldact ? __ptrvalue(&koact) : NULL, |
| + _NSIG / 8); |
| + |
| + if (oldact && result >= 0) { |
| + oldact->sa_handler = koact.k_sa_handler; |
| + memcpy(&oldact->sa_mask, &koact.sa_mask, |
| + sizeof(oldact->sa_mask)); |
| + oldact->sa_flags = koact.sa_flags; |
| + oldact->sa_restorer = koact.sa_restorer; |
| + } |
| + |
| + return result; |
| +} |
| + |
| +#ifndef LIBC_SIGACTION |
| +libc_hidden_proto(sigaction) |
| +weak_alias(__libc_sigaction, sigaction) |
| +libc_hidden_weak(sigaction) |
| +#endif |
| diff --git a/libc/sysdeps/linux/avr32/sigrestorer.S b/libc/sysdeps/linux/avr32/sigrestorer.S |
| new file mode 100644 |
| index 0000000..df6a1ba |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/sigrestorer.S |
| @@ -0,0 +1,15 @@ |
| +/* |
| + * Copyright (C) 2004 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| +#include <sys/syscall.h> |
| + |
| + .global __default_rt_sa_restorer |
| + .type __default_rt_sa_restorer,"function" |
| + .align 1 |
| +__default_rt_sa_restorer: |
| + mov r8, __NR_rt_sigreturn |
| + scall |
| diff --git a/libc/sysdeps/linux/avr32/sys/elf.h b/libc/sysdeps/linux/avr32/sys/elf.h |
| new file mode 100644 |
| index 0000000..faa7310 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/sys/elf.h |
| @@ -0,0 +1,26 @@ |
| +/* Copyright (C) 1996, 1997, 1999, 2001 Free Software Foundation, Inc. |
| + This file is part of the GNU C Library. |
| + |
| + The GNU C Library is free software; you can redistribute it and/or |
| + modify it under the terms of the GNU Lesser General Public |
| + License as published by the Free Software Foundation; either |
| + version 2.1 of the License, or (at your option) any later version. |
| + |
| + The GNU C Library is distributed in the hope that it will be useful, |
| + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| + Lesser General Public License for more details. |
| + |
| + You should have received a copy of the GNU Lesser General Public |
| + License along with the GNU C Library; if not, write to the Free |
| + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| + 02111-1307 USA. */ |
| + |
| +#ifndef _SYS_ELF_H |
| +#define _SYS_ELF_H 1 |
| + |
| +#warning "This header is obsolete; use <sys/procfs.h> instead." |
| + |
| +#include <sys/procfs.h> |
| + |
| +#endif /* sys/elf.h */ |
| diff --git a/libc/sysdeps/linux/avr32/sys/procfs.h b/libc/sysdeps/linux/avr32/sys/procfs.h |
| new file mode 100644 |
| index 0000000..3b37363 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/sys/procfs.h |
| @@ -0,0 +1,123 @@ |
| +/* Copyright (C) 1996, 1997, 1999, 2001 Free Software Foundation, Inc. |
| + This file is part of the GNU C Library. |
| + |
| + The GNU C Library is free software; you can redistribute it and/or |
| + modify it under the terms of the GNU Lesser General Public |
| + License as published by the Free Software Foundation; either |
| + version 2.1 of the License, or (at your option) any later version. |
| + |
| + The GNU C Library is distributed in the hope that it will be useful, |
| + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| + Lesser General Public License for more details. |
| + |
| + You should have received a copy of the GNU Lesser General Public |
| + License along with the GNU C Library; if not, write to the Free |
| + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| + 02111-1307 USA. */ |
| + |
| +#ifndef _SYS_PROCFS_H |
| +#define _SYS_PROCFS_H 1 |
| + |
| +/* This is somewhat modelled after the file of the same name on SVR4 |
| + systems. It provides a definition of the core file format for ELF |
| + used on Linux. It doesn't have anything to do with the /proc file |
| + system, even though Linux has one. |
| + |
| + Anyway, the whole purpose of this file is for GDB and GDB only. |
| + Don't read too much into it. Don't use it for anything other than |
| + GDB unless you know what you are doing. */ |
| + |
| +#include <features.h> |
| +#include <sys/time.h> |
| +#include <sys/types.h> |
| +#include <sys/user.h> |
| + |
| +__BEGIN_DECLS |
| + |
| +/* Type for a general-purpose register. */ |
| +typedef unsigned long elf_greg_t; |
| + |
| +/* And the whole bunch of them. We could have used `struct |
| + user_regs' directly in the typedef, but tradition says that |
| + the register set is an array, which does have some peculiar |
| + semantics, so leave it that way. */ |
| +#define ELF_NGREG (sizeof (struct user_regs) / sizeof(elf_greg_t)) |
| +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; |
| + |
| +/* Register set for the floating-point registers. */ |
| +typedef struct user_fpregs elf_fpregset_t; |
| + |
| +/* Signal info. */ |
| +struct elf_siginfo |
| + { |
| + int si_signo; /* Signal number. */ |
| + int si_code; /* Extra code. */ |
| + int si_errno; /* Errno. */ |
| + }; |
| + |
| +/* Definitions to generate Intel SVR4-like core files. These mostly |
| + have the same names as the SVR4 types with "elf_" tacked on the |
| + front to prevent clashes with Linux definitions, and the typedef |
| + forms have been avoided. This is mostly like the SVR4 structure, |
| + but more Linuxy, with things that Linux does not support and which |
| + GDB doesn't really use excluded. */ |
| + |
| +struct elf_prstatus |
| + { |
| + struct elf_siginfo pr_info; /* Info associated with signal. */ |
| + short int pr_cursig; /* Current signal. */ |
| + unsigned long int pr_sigpend; /* Set of pending signals. */ |
| + unsigned long int pr_sighold; /* Set of held signals. */ |
| + __pid_t pr_pid; |
| + __pid_t pr_ppid; |
| + __pid_t pr_pgrp; |
| + __pid_t pr_sid; |
| + struct timeval pr_utime; /* User time. */ |
| + struct timeval pr_stime; /* System time. */ |
| + struct timeval pr_cutime; /* Cumulative user time. */ |
| + struct timeval pr_cstime; /* Cumulative system time. */ |
| + elf_gregset_t pr_reg; /* GP registers. */ |
| + int pr_fpvalid; /* True if math copro being used. */ |
| + }; |
| + |
| + |
| +#define ELF_PRARGSZ (80) /* Number of chars for args. */ |
| + |
| +struct elf_prpsinfo |
| + { |
| + char pr_state; /* Numeric process state. */ |
| + char pr_sname; /* Char for pr_state. */ |
| + char pr_zomb; /* Zombie. */ |
| + char pr_nice; /* Nice val. */ |
| + unsigned long int pr_flag; /* Flags. */ |
| + unsigned short int pr_uid; |
| + unsigned short int pr_gid; |
| + int pr_pid, pr_ppid, pr_pgrp, pr_sid; |
| + /* Lots missing */ |
| + char pr_fname[16]; /* Filename of executable. */ |
| + char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ |
| + }; |
| + |
| +/* The rest of this file provides the types for emulation of the |
| + Solaris <proc_service.h> interfaces that should be implemented by |
| + users of libthread_db. */ |
| + |
| +/* Addresses. */ |
| +typedef void *psaddr_t; |
| + |
| +/* Register sets. Linux has different names. */ |
| +typedef elf_gregset_t prgregset_t; |
| +typedef elf_fpregset_t prfpregset_t; |
| + |
| +/* We don't have any differences between processes and threads, |
| + therefore have only one PID type. */ |
| +typedef __pid_t lwpid_t; |
| + |
| +/* Process status and info. In the end we do provide typedefs for them. */ |
| +typedef struct elf_prstatus prstatus_t; |
| +typedef struct elf_prpsinfo prpsinfo_t; |
| + |
| +__END_DECLS |
| + |
| +#endif /* sys/procfs.h */ |
| diff --git a/libc/sysdeps/linux/avr32/sys/ucontext.h b/libc/sysdeps/linux/avr32/sys/ucontext.h |
| new file mode 100644 |
| index 0000000..82c7fe2 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/sys/ucontext.h |
| @@ -0,0 +1,90 @@ |
| +/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. |
| + This file is part of the GNU C Library. |
| + |
| + The GNU C Library is free software; you can redistribute it and/or |
| + modify it under the terms of the GNU Lesser General Public |
| + License as published by the Free Software Foundation; either |
| + version 2.1 of the License, or (at your option) any later version. |
| + |
| + The GNU C Library is distributed in the hope that it will be useful, |
| + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| + Lesser General Public License for more details. |
| + |
| + You should have received a copy of the GNU Lesser General Public |
| + License along with the GNU C Library; if not, write to the Free |
| + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| + 02111-1307 USA. */ |
| + |
| +/* Linux/AVR32 ABI compliant context switching support. */ |
| + |
| +#ifndef _SYS_UCONTEXT_H |
| +#define _SYS_UCONTEXT_H 1 |
| + |
| +#include <features.h> |
| +#include <signal.h> |
| +#include <sys/procfs.h> |
| +#include <bits/sigcontext.h> |
| + |
| +typedef int greg_t; |
| + |
| +/* Number of general registers. */ |
| +#define NGREG 16 |
| + |
| +/* Container for all general registers. */ |
| +typedef elf_gregset_t gregset_t; |
| + |
| +/* Number of each register is the `gregset_t' array. */ |
| +enum |
| +{ |
| + R0 = 0, |
| +#define R0 R0 |
| + R1 = 1, |
| +#define R1 R1 |
| + R2 = 2, |
| +#define R2 R2 |
| + R3 = 3, |
| +#define R3 R3 |
| + R4 = 4, |
| +#define R4 R4 |
| + R5 = 5, |
| +#define R5 R5 |
| + R6 = 6, |
| +#define R6 R6 |
| + R7 = 7, |
| +#define R7 R7 |
| + R8 = 8, |
| +#define R8 R8 |
| + R9 = 9, |
| +#define R9 R9 |
| + R10 = 10, |
| +#define R10 R10 |
| + R11 = 11, |
| +#define R11 R11 |
| + R12 = 12, |
| +#define R12 R12 |
| + R13 = 13, |
| +#define R13 R13 |
| + R14 = 14, |
| +#define R14 R14 |
| + R15 = 15 |
| +#define R15 R15 |
| +}; |
| + |
| +/* Structure to describe FPU registers. */ |
| +typedef elf_fpregset_t fpregset_t; |
| + |
| +/* Context to describe whole processor state. */ |
| +typedef struct sigcontext mcontext_t; |
| + |
| +/* Userlevel context. */ |
| +typedef struct ucontext |
| +{ |
| + unsigned long uc_flags; |
| + struct ucontext *uc_link; |
| + stack_t uc_stack; |
| + mcontext_t uc_mcontext; |
| + sigset_t uc_sigmask; /* mask last for extensibility */ |
| +} ucontext_t; |
| + |
| +#endif /* sys/ucontext.h */ |
| diff --git a/libc/sysdeps/linux/avr32/sys/user.h b/libc/sysdeps/linux/avr32/sys/user.h |
| new file mode 100644 |
| index 0000000..c0b3d38 |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/sys/user.h |
| @@ -0,0 +1,46 @@ |
| +#ifndef _SYS_USER_H |
| +#define _SYS_USER_H |
| + |
| +struct user_fpregs |
| +{ |
| + |
| +}; |
| + |
| +struct user_regs |
| +{ |
| + unsigned long sr; |
| + unsigned long pc; |
| + unsigned long lr; |
| + unsigned long sp; |
| + unsigned long r12; |
| + unsigned long r11; |
| + unsigned long r10; |
| + unsigned long r9; |
| + unsigned long r8; |
| + unsigned long r7; |
| + unsigned long r6; |
| + unsigned long r5; |
| + unsigned long r4; |
| + unsigned long r3; |
| + unsigned long r2; |
| + unsigned long r1; |
| + unsigned long r0; |
| + unsigned long r12_orig; |
| +}; |
| + |
| +struct user |
| +{ |
| + struct user_regs regs; /* general registers */ |
| + size_t u_tsize; /* text size (pages) */ |
| + size_t u_dsize; /* data size (pages) */ |
| + size_t u_ssize; /* stack size (pages) */ |
| + unsigned long start_code; /* text starting address */ |
| + unsigned long start_data; /* data starting address */ |
| + unsigned long start_stack; /* stack starting address */ |
| + long int signal; /* signal causing core dump */ |
| + struct user_regs * u_ar0; /* help gdb find registers */ |
| + unsigned long magic; /* identifies a core file */ |
| + char u_comm[32]; /* user command name */ |
| +}; |
| + |
| +#endif /* _SYS_USER_H */ |
| diff --git a/libc/sysdeps/linux/avr32/syscall.S b/libc/sysdeps/linux/avr32/syscall.S |
| new file mode 100644 |
| index 0000000..55c1b1f |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/syscall.S |
| @@ -0,0 +1,71 @@ |
| +/* |
| + * Copyright (C) 2004-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| +#include <features.h> |
| + |
| + .text |
| + |
| + /* |
| + * long int syscall(long int sysno, ...) |
| + */ |
| + .global syscall |
| + .type syscall, @function |
| + .align 2 |
| +syscall: |
| + stm --sp, r3,r5,r6,lr |
| + sub lr, sp, -16 |
| + mov r8, r12 |
| + ldm lr, r3,r5,r9-r12 |
| + scall |
| + cp.w r12, -4095 |
| + brlo .Ldone |
| + |
| +#ifdef __PIC__ |
| + lddpc r6, .Lgot |
| +.Lgotcalc: |
| + rsub r6, pc |
| +# ifdef __UCLIBC_HAS_THREADS__ |
| + rsub r3, r12, 0 |
| + mcall r6[__errno_location@got] |
| + st.w r12[0], r3 |
| +# else |
| + ld.w r3, r6[errno@got] |
| + neg r12 |
| + st.w r3[0], r12 |
| +# endif |
| +#else |
| +# ifdef __UCLIBC_HAS_THREADS__ |
| + rsub r3, r12, 0 |
| + mcall .Lerrno_location |
| + st.w r12[0], r3 |
| +# else |
| + lddpc r3, .Lerrno |
| + neg r12 |
| + st.w r3[0], r12 |
| +# endif |
| +#endif |
| + mov r12, -1 |
| + |
| +.Ldone: |
| + ldm sp++, r3,r5,r6,pc |
| + |
| + .align 2 |
| +#ifdef __PIC__ |
| +.Lgot: |
| + .long .Lgotcalc - _GLOBAL_OFFSET_TABLE_ |
| +#else |
| +# ifdef __UCLIBC_HAS_THREADS__ |
| +.Lerrno_location: |
| + .long __errno_location |
| +# else |
| +.Lerrno: |
| + .long errno |
| +# endif |
| +#endif |
| + |
| + |
| + .size syscall, . - syscall |
| diff --git a/libc/sysdeps/linux/avr32/vfork.S b/libc/sysdeps/linux/avr32/vfork.S |
| new file mode 100644 |
| index 0000000..03ca99f |
| --- /dev/null |
| +++ b/libc/sysdeps/linux/avr32/vfork.S |
| @@ -0,0 +1,58 @@ |
| +/* |
| + * Copyright (C) 2005 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| + |
| +/* |
| + * Clone the process without copying the address space. The |
| + * calling process is suspended until the child either exits |
| + * or calls execve. |
| + * |
| + * This all means that we cannot rely on the stack to store |
| + * away registers, since they will be overwritten by the child |
| + * as soon as it makes another function call (e.g. execve()). |
| + * Fortunately, the Linux kernel preserves LR across system calls. |
| + */ |
| + |
| +#include <features.h> |
| +#include <sys/syscall.h> |
| + |
| + .global __vfork |
| + .type __vfork,@function |
| + .align 1 |
| +__vfork: |
| + mov r8, __NR_vfork |
| + scall |
| + cp.w r12, -4096 |
| + retls r12 |
| + |
| + /* vfork failed, so we may use the stack freely */ |
| + pushm r4-r7,lr |
| +#ifdef __PIC__ |
| + lddpc r6, .L_GOT |
| + rsub r4, r12, 0 |
| +.L_RGOT: |
| + rsub r6, pc |
| + mcall r6[__errno_location@got] |
| +#else |
| + rsub r4, r12, 0 |
| + mcall .L__errno_location |
| +#endif |
| + st.w r12[0], r4 |
| + popm r4-r7,pc,r12=-1 |
| + |
| + .align 2 |
| +#ifdef __PIC__ |
| +.L_GOT: |
| + .long .L_RGOT - _GLOBAL_OFFSET_TABLE_ |
| +#else |
| +.L__errno_location: |
| + .long __errno_location |
| +#endif |
| + .size __vfork, . - __vfork |
| + |
| +weak_alias(__vfork,vfork) |
| +libc_hidden_weak(vfork) |
| diff --git a/libpthread/linuxthreads.old/sysdeps/avr32/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/avr32/pt-machine.h |
| new file mode 100644 |
| index 0000000..eccf329 |
| --- /dev/null |
| +++ b/libpthread/linuxthreads.old/sysdeps/avr32/pt-machine.h |
| @@ -0,0 +1,73 @@ |
| +/* Machine-dependent pthreads configuration and inline functions. |
| + * |
| + * Copyright (C) 2005-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| +#ifndef _PT_MACHINE_H |
| +#define _PT_MACHINE_H 1 |
| + |
| +#include <features.h> |
| + |
| +static inline int |
| +_test_and_set (int *p, int v) |
| +{ |
| + int result; |
| + |
| + __asm__ __volatile__( |
| + "/* Inline test and set */\n" |
| + " xchg %[old], %[mem], %[new]" |
| + : [old] "=&r"(result) |
| + : [mem] "r"(p), [new] "r"(v) |
| + : "memory"); |
| + |
| + return result; |
| +} |
| + |
| +#ifndef PT_EI |
| +# define PT_EI extern inline |
| +#endif |
| + |
| +extern long int testandset (int *spinlock); |
| +extern int __compare_and_swap (long int *p, long int oldval, long int newval); |
| + |
| +/* Spinlock implementation; required. */ |
| +PT_EI long int |
| +testandset (int *spinlock) |
| +{ |
| + return _test_and_set(spinlock, 1); |
| +} |
| + |
| + |
| +/* Get some notion of the current stack. Need not be exactly the top |
| + of the stack, just something somewhere in the current frame. */ |
| +#define CURRENT_STACK_FRAME stack_pointer |
| +register char * stack_pointer __asm__ ("sp"); |
| + |
| +/* Compare-and-swap for semaphores. */ |
| + |
| +#define HAS_COMPARE_AND_SWAP |
| +PT_EI int |
| +__compare_and_swap(long int *p, long int oldval, long int newval) |
| +{ |
| + long int result; |
| + |
| + __asm__ __volatile__( |
| + "/* Inline compare and swap */\n" |
| + "1: ssrf 5\n" |
| + " ld.w %[result], %[mem]\n" |
| + " eor %[result], %[old]\n" |
| + " brne 2f\n" |
| + " stcond %[mem], %[new]\n" |
| + " brne 1b\n" |
| + "2:" |
| + : [result] "=&r"(result), [mem] "=m"(*p) |
| + : "m"(*p), [new] "r"(newval), [old] "r"(oldval) |
| + : "cc", "memory"); |
| + |
| + return result == 0; |
| +} |
| + |
| +#endif /* pt-machine.h */ |
| diff --git a/libpthread/linuxthreads/sysdeps/avr32/pt-machine.h b/libpthread/linuxthreads/sysdeps/avr32/pt-machine.h |
| new file mode 100644 |
| index 0000000..fe12bf8 |
| --- /dev/null |
| +++ b/libpthread/linuxthreads/sysdeps/avr32/pt-machine.h |
| @@ -0,0 +1,73 @@ |
| +/* Machine-dependent pthreads configuration and inline functions. |
| + * |
| + * Copyright (C) 2005-2007 Atmel Corporation |
| + * |
| + * This file is subject to the terms and conditions of the GNU Lesser General |
| + * Public License. See the file "COPYING.LIB" in the main directory of this |
| + * archive for more details. |
| + */ |
| +#ifndef _PT_MACHINE_H |
| +#define _PT_MACHINE_H 1 |
| + |
| +#include <features.h> |
| + |
| +static inline int |
| +_test_and_set (int *p, int v) __THROW |
| +{ |
| + int result; |
| + |
| + __asm__ __volatile__( |
| + "/* Inline test and set */\n" |
| + " xchg %[old], %[mem], %[new]" |
| + : [old] "=&r"(result) |
| + : [mem] "r"(p), [new] "r"(v) |
| + : "memory"); |
| + |
| + return result; |
| +} |
| + |
| +#ifndef PT_EI |
| +# define PT_EI extern inline |
| +#endif |
| + |
| +extern long int testandset (int *spinlock); |
| +extern int __compare_and_swap (long int *p, long int oldval, long int newval); |
| + |
| +/* Spinlock implementation; required. */ |
| +PT_EI long int |
| +testandset (int *spinlock) |
| +{ |
| + return _test_and_set(spinlock, 1); |
| +} |
| + |
| + |
| +/* Get some notion of the current stack. Need not be exactly the top |
| + of the stack, just something somewhere in the current frame. */ |
| +#define CURRENT_STACK_FRAME stack_pointer |
| +register char * stack_pointer __asm__ ("sp"); |
| + |
| +/* Compare-and-swap for semaphores. */ |
| + |
| +#define HAS_COMPARE_AND_SWAP |
| +PT_EI int |
| +__compare_and_swap(long int *p, long int oldval, long int newval) |
| +{ |
| + int result; |
| + |
| + __asm__ __volatile__( |
| + "/* Inline compare and swap */\n" |
| + "1: ssrf 5\n" |
| + " ld.w %[result], %[mem]\n" |
| + " eor %[result], %[old]\n" |
| + " brne 2f\n" |
| + " stcond %[mem], %[new]\n" |
| + " brne 1b\n" |
| + "2:" |
| + : [result] "=&r"(result), [mem] "=m"(*p) |
| + : "m"(*p), [new] "r"(newval), [old] "r"(oldval) |
| + : "cc", "memory"); |
| + |
| + return result == 0; |
| +} |
| + |
| +#endif /* pt-machine.h */ |
| diff --git a/utils/ldd.c b/utils/ldd.c |
| index 75ad628..e34acd9 100644 |
| --- a/utils/ldd.c |
| +++ b/utils/ldd.c |
| @@ -44,6 +44,11 @@ |
| #define ELFCLASSM ELFCLASS32 |
| #endif |
| |
| +#if defined(__avr32__) |
| +#define MATCH_MACHINE(x) (x == EM_AVR32) |
| +#define ELFCLASSM ELFCLASS32 |
| +#endif |
| + |
| #if defined(__s390__) |
| #define MATCH_MACHINE(x) (x == EM_S390) |
| #define ELFCLASSM ELFCLASS32 |