mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-05 16:19:42 +02:00
3f494f8d22
git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4672 3c298f89-4303-0410-b956-a3cf2f4a3e73
224 lines
8.2 KiB
Diff
224 lines
8.2 KiB
Diff
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
|