mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-30 21:44:27 -04:00
286 lines
9.1 KiB
Diff
286 lines
9.1 KiB
Diff
commit e5cde2eb0ed7df9416fdd6070af07c8448c72a30
|
|
Author: Steve Ellcey <sellcey@mips.com>
|
|
Date: Wed Feb 12 11:01:35 2014 -0800
|
|
|
|
mips: Remove duplicate macro definitions
|
|
|
|
The INLINE_SYSCALL, INTERNAL_SYSCALL*, and internal_syscall* macros
|
|
are defined for MIPS in both libc/sysdeps/linux/mips/sysdep.h and
|
|
libc/sysdeps/linux/mips/bits/syscalls.h. The macros are the same
|
|
in both cases except that syscalls.h defines internal_syscalls[567]
|
|
the same for N32 and N64 ABIs and has a different definition for O32.
|
|
I believe that is correct. The sysdep.h header uses the O32 versions
|
|
for N32 and has different definitions for N64. I think that is wrong
|
|
and that N32 and N64 should share the same definition (modulo the
|
|
type 'long' vs. 'long long' for the arguments. This setup (from
|
|
sysdep.h) now agrees with what glibc has.
|
|
|
|
I am not positive about which header (sysdep.h vs syscalls.h) is
|
|
really the right one to have these definitions in but using sysdep.h
|
|
seems to work for all my builds.
|
|
|
|
Signed-off-by: Steve Ellcey <sellcey@mips.com>
|
|
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
|
|
|
|
--- a/libc/sysdeps/linux/mips/sysdep.h
|
|
+++ b/libc/sysdeps/linux/mips/sysdep.h
|
|
@@ -133,258 +133,6 @@ L(syse1):
|
|
|
|
#else /* ! __ASSEMBLER__ */
|
|
|
|
-/* Define a macro which expands into the inline wrapper code for a system
|
|
- call. */
|
|
-#undef INLINE_SYSCALL
|
|
-#define INLINE_SYSCALL(name, nr, args...) \
|
|
- ({ INTERNAL_SYSCALL_DECL(err); \
|
|
- long result_var = INTERNAL_SYSCALL (name, err, nr, args); \
|
|
- if ( INTERNAL_SYSCALL_ERROR_P (result_var, err) ) \
|
|
- { \
|
|
- __set_errno (INTERNAL_SYSCALL_ERRNO (result_var, err)); \
|
|
- result_var = -1L; \
|
|
- } \
|
|
- result_var; })
|
|
-
|
|
-#undef INTERNAL_SYSCALL_DECL
|
|
-#define INTERNAL_SYSCALL_DECL(err) long err
|
|
-
|
|
-#undef INTERNAL_SYSCALL_ERROR_P
|
|
-#define INTERNAL_SYSCALL_ERROR_P(val, err) ((long) (err))
|
|
-
|
|
-#undef INTERNAL_SYSCALL_ERRNO
|
|
-#define INTERNAL_SYSCALL_ERRNO(val, err) (val)
|
|
-
|
|
-#undef INTERNAL_SYSCALL
|
|
-#define INTERNAL_SYSCALL(name, err, nr, args...) \
|
|
- internal_syscall##nr (, "li\t$2, %2\t\t\t# " #name "\n\t", \
|
|
- "i" (SYS_ify (name)), err, args)
|
|
-
|
|
-#undef INTERNAL_SYSCALL_NCS
|
|
-#define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
|
|
- internal_syscall##nr (= number, , "r" (__v0), err, args)
|
|
-#undef internal_syscall0
|
|
-#define internal_syscall0(ncs_init, cs_init, input, err, dummy...) \
|
|
-({ \
|
|
- long _sys_result; \
|
|
- \
|
|
- { \
|
|
- register long __v0 __asm__("$2") ncs_init; \
|
|
- register long __a3 __asm__("$7"); \
|
|
- __asm__ __volatile__ ( \
|
|
- ".set\tnoreorder\n\t" \
|
|
- cs_init \
|
|
- "syscall\n\t" \
|
|
- ".set reorder" \
|
|
- : "=r" (__v0), "=r" (__a3) \
|
|
- : input \
|
|
- : __SYSCALL_CLOBBERS); \
|
|
- err = __a3; \
|
|
- _sys_result = __v0; \
|
|
- } \
|
|
- _sys_result; \
|
|
-})
|
|
-
|
|
-#undef internal_syscall1
|
|
-#define internal_syscall1(ncs_init, cs_init, input, err, arg1) \
|
|
-({ \
|
|
- long _sys_result; \
|
|
- \
|
|
- { \
|
|
- register long __v0 __asm__("$2") ncs_init; \
|
|
- register long __a0 __asm__("$4") = (long) arg1; \
|
|
- register long __a3 __asm__("$7"); \
|
|
- __asm__ __volatile__ ( \
|
|
- ".set\tnoreorder\n\t" \
|
|
- cs_init \
|
|
- "syscall\n\t" \
|
|
- ".set reorder" \
|
|
- : "=r" (__v0), "=r" (__a3) \
|
|
- : input, "r" (__a0) \
|
|
- : __SYSCALL_CLOBBERS); \
|
|
- err = __a3; \
|
|
- _sys_result = __v0; \
|
|
- } \
|
|
- _sys_result; \
|
|
-})
|
|
-
|
|
-#undef internal_syscall2
|
|
-#define internal_syscall2(ncs_init, cs_init, input, err, arg1, arg2) \
|
|
-({ \
|
|
- long _sys_result; \
|
|
- \
|
|
- { \
|
|
- register long __v0 __asm__("$2") ncs_init; \
|
|
- register long __a0 __asm__("$4") = (long) arg1; \
|
|
- register long __a1 __asm__("$5") = (long) arg2; \
|
|
- register long __a3 __asm__("$7"); \
|
|
- __asm__ __volatile__ ( \
|
|
- ".set\tnoreorder\n\t" \
|
|
- cs_init \
|
|
- "syscall\n\t" \
|
|
- ".set\treorder" \
|
|
- : "=r" (__v0), "=r" (__a3) \
|
|
- : input, "r" (__a0), "r" (__a1) \
|
|
- : __SYSCALL_CLOBBERS); \
|
|
- err = __a3; \
|
|
- _sys_result = __v0; \
|
|
- } \
|
|
- _sys_result; \
|
|
-})
|
|
-
|
|
-#undef internal_syscall3
|
|
-#define internal_syscall3(ncs_init, cs_init, input, err, arg1, arg2, arg3)\
|
|
-({ \
|
|
- long _sys_result; \
|
|
- \
|
|
- { \
|
|
- register long __v0 __asm__("$2") ncs_init; \
|
|
- register long __a0 __asm__("$4") = (long) arg1; \
|
|
- register long __a1 __asm__("$5") = (long) arg2; \
|
|
- register long __a2 __asm__("$6") = (long) arg3; \
|
|
- register long __a3 __asm__("$7"); \
|
|
- __asm__ __volatile__ ( \
|
|
- ".set\tnoreorder\n\t" \
|
|
- cs_init \
|
|
- "syscall\n\t" \
|
|
- ".set\treorder" \
|
|
- : "=r" (__v0), "=r" (__a3) \
|
|
- : input, "r" (__a0), "r" (__a1), "r" (__a2) \
|
|
- : __SYSCALL_CLOBBERS); \
|
|
- err = __a3; \
|
|
- _sys_result = __v0; \
|
|
- } \
|
|
- _sys_result; \
|
|
-})
|
|
-
|
|
-#undef internal_syscall4
|
|
-#define internal_syscall4(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4)\
|
|
-({ \
|
|
- long _sys_result; \
|
|
- \
|
|
- { \
|
|
- register long __v0 __asm__("$2") ncs_init; \
|
|
- register long __a0 __asm__("$4") = (long) arg1; \
|
|
- register long __a1 __asm__("$5") = (long) arg2; \
|
|
- register long __a2 __asm__("$6") = (long) arg3; \
|
|
- register long __a3 __asm__("$7") = (long) arg4; \
|
|
- __asm__ __volatile__ ( \
|
|
- ".set\tnoreorder\n\t" \
|
|
- cs_init \
|
|
- "syscall\n\t" \
|
|
- ".set\treorder" \
|
|
- : "=r" (__v0), "+r" (__a3) \
|
|
- : input, "r" (__a0), "r" (__a1), "r" (__a2) \
|
|
- : __SYSCALL_CLOBBERS); \
|
|
- err = __a3; \
|
|
- _sys_result = __v0; \
|
|
- } \
|
|
- _sys_result; \
|
|
-})
|
|
-
|
|
-/* We need to use a frame pointer for the functions in which we
|
|
- adjust $sp around the syscall, or debug information and unwind
|
|
- information will be $sp relative and thus wrong during the syscall. As
|
|
- of GCC 3.4.3, this is sufficient. */
|
|
-#define FORCE_FRAME_POINTER alloca (4)
|
|
-
|
|
-#undef internal_syscall5
|
|
-#define internal_syscall5(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5)\
|
|
-({ \
|
|
- long _sys_result; \
|
|
- \
|
|
- FORCE_FRAME_POINTER; \
|
|
- { \
|
|
- register long __v0 __asm__("$2") ncs_init; \
|
|
- register long __a0 __asm__("$4") = (long) arg1; \
|
|
- register long __a1 __asm__("$5") = (long) arg2; \
|
|
- register long __a2 __asm__("$6") = (long) arg3; \
|
|
- register long __a3 __asm__("$7") = (long) arg4; \
|
|
- __asm__ __volatile__ ( \
|
|
- ".set\tnoreorder\n\t" \
|
|
- "subu\t$29, 32\n\t" \
|
|
- "sw\t%6, 16($29)\n\t" \
|
|
- cs_init \
|
|
- "syscall\n\t" \
|
|
- "addiu\t$29, 32\n\t" \
|
|
- ".set\treorder" \
|
|
- : "=r" (__v0), "+r" (__a3) \
|
|
- : input, "r" (__a0), "r" (__a1), "r" (__a2), \
|
|
- "r" ((long)arg5) \
|
|
- : __SYSCALL_CLOBBERS); \
|
|
- err = __a3; \
|
|
- _sys_result = __v0; \
|
|
- } \
|
|
- _sys_result; \
|
|
-})
|
|
-
|
|
-#undef internal_syscall6
|
|
-#define internal_syscall6(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6)\
|
|
-({ \
|
|
- long _sys_result; \
|
|
- \
|
|
- FORCE_FRAME_POINTER; \
|
|
- { \
|
|
- register long __v0 __asm__("$2") ncs_init; \
|
|
- register long __a0 __asm__("$4") = (long) arg1; \
|
|
- register long __a1 __asm__("$5") = (long) arg2; \
|
|
- register long __a2 __asm__("$6") = (long) arg3; \
|
|
- register long __a3 __asm__("$7") = (long) arg4; \
|
|
- __asm__ __volatile__ ( \
|
|
- ".set\tnoreorder\n\t" \
|
|
- "subu\t$29, 32\n\t" \
|
|
- "sw\t%6, 16($29)\n\t" \
|
|
- "sw\t%7, 20($29)\n\t" \
|
|
- cs_init \
|
|
- "syscall\n\t" \
|
|
- "addiu\t$29, 32\n\t" \
|
|
- ".set\treorder" \
|
|
- : "=r" (__v0), "+r" (__a3) \
|
|
- : input, "r" (__a0), "r" (__a1), "r" (__a2), \
|
|
- "r" ((long)arg5), "r" ((long)arg6) \
|
|
- : __SYSCALL_CLOBBERS); \
|
|
- err = __a3; \
|
|
- _sys_result = __v0; \
|
|
- } \
|
|
- _sys_result; \
|
|
-})
|
|
-
|
|
-#undef internal_syscall7
|
|
-#define internal_syscall7(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
|
|
-({ \
|
|
- long _sys_result; \
|
|
- \
|
|
- FORCE_FRAME_POINTER; \
|
|
- { \
|
|
- register long __v0 __asm__("$2") ncs_init; \
|
|
- register long __a0 __asm__("$4") = (long) arg1; \
|
|
- register long __a1 __asm__("$5") = (long) arg2; \
|
|
- register long __a2 __asm__("$6") = (long) arg3; \
|
|
- register long __a3 __asm__("$7") = (long) arg4; \
|
|
- __asm__ __volatile__ ( \
|
|
- ".set\tnoreorder\n\t" \
|
|
- "subu\t$29, 32\n\t" \
|
|
- "sw\t%6, 16($29)\n\t" \
|
|
- "sw\t%7, 20($29)\n\t" \
|
|
- "sw\t%8, 24($29)\n\t" \
|
|
- cs_init \
|
|
- "syscall\n\t" \
|
|
- "addiu\t$29, 32\n\t" \
|
|
- ".set\treorder" \
|
|
- : "=r" (__v0), "+r" (__a3) \
|
|
- : input, "r" (__a0), "r" (__a1), "r" (__a2), \
|
|
- "r" ((long)arg5), "r" ((long)arg6), "r" ((long)arg7) \
|
|
- : __SYSCALL_CLOBBERS); \
|
|
- err = __a3; \
|
|
- _sys_result = __v0; \
|
|
- } \
|
|
- _sys_result; \
|
|
-})
|
|
-
|
|
-#undef __SYSCALL_CLOBBERS
|
|
-#define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
|
|
- "$14", "$15", "$24", "$25", "memory"
|
|
-
|
|
/* Pointer mangling is not yet supported for MIPS. */
|
|
#define PTR_MANGLE(var) (void) (var)
|
|
#define PTR_DEMANGLE(var) (void) (var)
|