diff options
Diffstat (limited to 'toolchain/uClibc')
| -rw-r--r-- | toolchain/uClibc/patches/130-ppc_gcc4_fix.patch | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/toolchain/uClibc/patches/130-ppc_gcc4_fix.patch b/toolchain/uClibc/patches/130-ppc_gcc4_fix.patch new file mode 100644 index 0000000000..c5416f3790 --- /dev/null +++ b/toolchain/uClibc/patches/130-ppc_gcc4_fix.patch @@ -0,0 +1,223 @@ +diff -Nur uClibc-0.9.28/libc/sysdeps/linux/powerpc/bits/syscalls.h uClibc-0.9.28-owrt/libc/sysdeps/linux/powerpc/bits/syscalls.h +--- uClibc-0.9.28/libc/sysdeps/linux/powerpc/bits/syscalls.h 2005-08-18 00:49:41.000000000 +0200 ++++ uClibc-0.9.28-owrt/libc/sysdeps/linux/powerpc/bits/syscalls.h 2006-08-25 17:58:21.000000000 +0200 +@@ -5,67 +5,164 @@ + # error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead." + #endif + ++#include <errno.h> ++ + /* 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> + +- +-#define __STRINGIFY(s) __STRINGIFY2 (s) +-#define __STRINGIFY2(s) #s +- +-#undef JUMPTARGET +-#ifdef __PIC__ +-#define __MAKE_SYSCALL __STRINGIFY(__uClibc_syscall@plt) ++/* Define a macro which expands inline into the wrapper code for a system ++ call. This use is for internal calls that do not need to handle errors ++ normally. It will never touch errno. ++ On powerpc a system call basically clobbers the same registers like a ++ function call, with the exception of LR (which is needed for the ++ "sc; bnslr+" sequence) and CR (where only CR0.SO is clobbered to signal ++ an error return status). */ ++ ++# undef INLINE_SYSCALL ++#if 1 ++# define INLINE_SYSCALL(name, nr, args...) \ ++ ({ \ ++ INTERNAL_SYSCALL_DECL (sc_err); \ ++ long int sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, args); \ ++ if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err)) \ ++ { \ ++ __set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err)); \ ++ sc_ret = -1L; \ ++ } \ ++ sc_ret; \ ++ }) + #else +-#define __MAKE_SYSCALL __STRINGIFY(__uClibc_syscall) ++# define INLINE_SYSCALL(name, nr, args...) \ ++ ({ \ ++ INTERNAL_SYSCALL_DECL (sc_err); \ ++ long int sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, args); \ ++ if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err)) \ ++ { \ ++ sc_ret = __syscall_error(INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err));\ ++ } \ ++ sc_ret; \ ++ }) + #endif + +-#define unified_syscall_body(name) \ +- __asm__ ( \ +- ".section \".text\"\n\t" \ +- ".align 2\n\t" \ +- ".globl " __STRINGIFY(name) "\n\t" \ +- ".type " __STRINGIFY(name) ",@function\n\t" \ +- #name":\tli 0," __STRINGIFY(__NR_##name) "\n\t" \ +- "b " __MAKE_SYSCALL "\n\t" \ +- ".size\t" __STRINGIFY(name) ",.""-" __STRINGIFY(name) "\n" \ +- ) ++/* Define a macro which expands inline into the wrapper code for a system ++ call. This use is for internal calls that do not need to handle errors ++ normally. It will never touch errno. ++ On powerpc a system call basically clobbers the same registers like a ++ function call, with the exception of LR (which is needed for the ++ "sc; bnslr+" sequence) and CR (where only CR0.SO is clobbered to signal ++ an error return status). */ ++ ++# undef INTERNAL_SYSCALL_DECL ++# define INTERNAL_SYSCALL_DECL(err) long int err ++ ++# undef INTERNAL_SYSCALL ++# define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ ++ ({ \ ++ register long int r0 __asm__ ("r0"); \ ++ register long int r3 __asm__ ("r3"); \ ++ register long int r4 __asm__ ("r4"); \ ++ register long int r5 __asm__ ("r5"); \ ++ register long int r6 __asm__ ("r6"); \ ++ register long int r7 __asm__ ("r7"); \ ++ register long int r8 __asm__ ("r8"); \ ++ register long int r9 __asm__ ("r9"); \ ++ register long int r10 __asm__ ("r10"); \ ++ register long int r11 __asm__ ("r11"); \ ++ register long int r12 __asm__ ("r12"); \ ++ LOADARGS_##nr(name, args); \ ++ __asm__ __volatile__ \ ++ ("sc \n\t" \ ++ "mfcr %0" \ ++ : "=&r" (r0), \ ++ "=&r" (r3), "=&r" (r4), "=&r" (r5), "=&r" (r6), "=&r" (r7), \ ++ "=&r" (r8), "=&r" (r9), "=&r" (r10), "=&r" (r11), "=&r" (r12) \ ++ : ASM_INPUT_##nr \ ++ : "cr0", "ctr", "memory"); \ ++ err = r0; \ ++ (int) r3; \ ++ }) ++# define INTERNAL_SYSCALL(name, err, nr, args...) \ ++ INTERNAL_SYSCALL_NCS (__NR_##name, err, nr, ##args) ++ ++# undef INTERNAL_SYSCALL_ERROR_P ++# define INTERNAL_SYSCALL_ERROR_P(val, err) \ ++ ((void) (val), __builtin_expect ((err) & (1 << 28), 0)) ++ ++# undef INTERNAL_SYSCALL_ERRNO ++# define INTERNAL_SYSCALL_ERRNO(val, err) (val) ++ ++# define LOADARGS_0(name, dummy) \ ++ r0 = (long int)name ++# define LOADARGS_1(name, __arg1) \ ++ LOADARGS_0(name, 0); \ ++ r3 = (long int)__arg1 ++# define LOADARGS_2(name, __arg1, __arg2) \ ++ LOADARGS_1(name, __arg1); \ ++ r4 = (long int)__arg2 ++# define LOADARGS_3(name, __arg1, __arg2, __arg3) \ ++ LOADARGS_2(name, __arg1, __arg2); \ ++ r5 = (long int)__arg3 ++# define LOADARGS_4(name, __arg1, __arg2, __arg3, __arg4) \ ++ LOADARGS_3(name, __arg1, __arg2, __arg3); \ ++ r6 = (long int)__arg4 ++# define LOADARGS_5(name, __arg1, __arg2, __arg3, __arg4, __arg5) \ ++ LOADARGS_4(name, __arg1, __arg2, __arg3, __arg4); \ ++ r7 = (long int)__arg5 ++# define LOADARGS_6(name, __arg1, __arg2, __arg3, __arg4, __arg5, __arg6) \ ++ LOADARGS_5(name, __arg1, __arg2, __arg3, __arg4, __arg5); \ ++ r8 = (long int)__arg6 ++ ++# define ASM_INPUT_0 "0" (r0) ++# define ASM_INPUT_1 ASM_INPUT_0, "1" (r3) ++# define ASM_INPUT_2 ASM_INPUT_1, "2" (r4) ++# define ASM_INPUT_3 ASM_INPUT_2, "3" (r5) ++# define ASM_INPUT_4 ASM_INPUT_3, "4" (r6) ++# define ASM_INPUT_5 ASM_INPUT_4, "5" (r7) ++# define ASM_INPUT_6 ASM_INPUT_5, "6" (r8) + + #undef _syscall0 +-#define _syscall0(type,name) \ +-type name(void); \ +-unified_syscall_body(name) ++#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); \ +-unified_syscall_body(name) ++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); \ +-unified_syscall_body(name) ++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); \ +-unified_syscall_body(name) ++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); \ +-unified_syscall_body(name) ++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); \ +-unified_syscall_body(name) ++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); \ +-unified_syscall_body(name) ++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); \ ++} + + #endif /* _BITS_SYSCALLS_H */ + +diff -urP uClibc-0.9.28/libc/sysdeps/linux/powerpc/sys/procfs.h uClibc-0.9.28-uint128/libc/sysdeps/linux/powerpc/sys/procfs.h +--- uClibc-0.9.28/libc/sysdeps/linux/powerpc/sys/procfs.h 2005-08-18 00:49:41.000000000 +0200 ++++ uClibc-0.9.28-uint128/libc/sysdeps/linux/powerpc/sys/procfs.h 2005-08-22 17:27:17.000000000 +0200 +@@ -42,15 +42,10 @@ + typedef double elf_fpreg_t; + typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; + +-/* gcc 3.1 and newer support __uint128_t. */ +-#if !__GNUC_PREREQ(3,1) +-typedef struct { +- unsigned long u[4]; +-} __attribute((aligned(16))) __uint128_t; +-#endif +- + /* Altivec registers */ +-typedef __uint128_t elf_vrreg_t; ++typedef struct { ++ unsigned int u[4]; ++} __attribute((aligned (16))) elf_vrreg_t; + typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG]; + + struct elf_siginfo |