[git commit nptl] syscall: convert cris/hppa to common syscalls
Mike Frysinger
vapier at gentoo.org
Wed Aug 19 11:29:41 UTC 2009
commit: http://git.uclibc.org/uClibc/commit/?id=3ba67c8ef0d04cddf9ffdbfb6e504b3f11f2bdea
branch: http://git.uclibc.org/uClibc/commit/?id=refs/heads/nptl
The cris/hppa code appears to be easy to convert, so go ahead and do it
for them. Build tested only.
Signed-off-by: Mike Frysinger <vapier at gentoo.org>
Signed-off-by: Austin Foxley <austinf at cetoncorp.com>
---
libc/sysdeps/linux/cris/bits/syscalls.h | 72 ++------------------------
libc/sysdeps/linux/hppa/bits/syscalls.h | 85 +++++--------------------------
libc/sysdeps/linux/hppa/brk.c | 2 +-
3 files changed, 19 insertions(+), 140 deletions(-)
diff --git a/libc/sysdeps/linux/cris/bits/syscalls.h b/libc/sysdeps/linux/cris/bits/syscalls.h
index 93e7cf2..9db0840 100644
--- a/libc/sysdeps/linux/cris/bits/syscalls.h
+++ b/libc/sysdeps/linux/cris/bits/syscalls.h
@@ -7,83 +7,19 @@
#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 INLINE_SYSCALL
-#define INLINE_SYSCALL(name, nr, args...) \
+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
({ \
- unsigned long __sys_res; \
register unsigned long __res __asm__ ("r10"); \
- LOAD_ARGS_c_##nr (args) \
+ LOAD_ARGS_c_##nr(args) \
register unsigned long __callno __asm__ ("r9") \
- = SYS_ify (name); \
+ = name; \
__asm__ __volatile__ (LOAD_ARGS_asm_##nr (args) \
CHECK_ARGS_asm_##nr \
"break 13" \
: "=r" (__res) \
: ASM_ARGS_##nr (args) \
: ASM_CLOBBER_##nr); \
- __sys_res = __res; \
- \
- if (__sys_res >= (unsigned long) -4096) \
- { \
- __set_errno (- __sys_res); \
- __sys_res = (unsigned long) -1; \
- } \
- __sys_res; \
+ __res; \
})
#define LOAD_ARGS_c_0()
diff --git a/libc/sysdeps/linux/hppa/bits/syscalls.h b/libc/sysdeps/linux/hppa/bits/syscalls.h
index 9035cd5..783ed32 100644
--- a/libc/sysdeps/linux/hppa/bits/syscalls.h
+++ b/libc/sysdeps/linux/hppa/bits/syscalls.h
@@ -6,10 +6,6 @@
#ifndef __ASSEMBLER__
-#include <errno.h>
-
-#define SYS_ify(syscall_name) __NR_##syscall_name
-
/* Assume all syscalls are done from PIC code just to be
* safe. The worst case scenario is that you lose a register
* and save/restore r19 across the syscall. */
@@ -44,29 +40,20 @@
#define K_CALL_CLOB_REGS "%r1", "%r2", K_USING_GR4 \
"%r20", "%r29", "%r31"
-#undef K_INLINE_SYSCALL
-#define K_INLINE_SYSCALL(name, nr, args...) ({ \
- long __sys_res; \
- { \
- register unsigned long __res __asm__("r28"); \
- K_LOAD_ARGS_##nr(args) \
- /* FIXME: HACK stw/ldw r19 around syscall */ \
- __asm__ __volatile__( \
- K_STW_ASM_PIC \
- " ble 0x100(%%sr2, %%r0)\n" \
- " ldi %1, %%r20\n" \
- K_LDW_ASM_PIC \
- : "=r" (__res) \
- : "i" (SYS_ify(name)) K_ASM_ARGS_##nr \
- : "memory", K_CALL_CLOB_REGS K_CLOB_ARGS_##nr \
- ); \
- __sys_res = (long)__res; \
- } \
- if ( (unsigned long)__sys_res >= (unsigned long)-4095 ){ \
- errno = -__sys_res; \
- __sys_res = -1; \
- } \
- __sys_res; \
+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) ({ \
+ register unsigned long __res __asm__("r28"); \
+ K_LOAD_ARGS_##nr(args) \
+ /* FIXME: HACK stw/ldw r19 around syscall */ \
+ __asm__ __volatile__( \
+ K_STW_ASM_PIC \
+ " ble 0x100(%%sr2, %%r0)\n" \
+ " ldi %1, %%r20\n" \
+ K_LDW_ASM_PIC \
+ : "=r" (__res) \
+ : "i" (name) K_ASM_ARGS_##nr \
+ : "memory", K_CALL_CLOB_REGS K_CLOB_ARGS_##nr \
+ ); \
+ __res; \
})
#define K_LOAD_ARGS_0()
@@ -107,49 +94,5 @@
#define K_CLOB_ARGS_1 K_CLOB_ARGS_2, "%r25"
#define K_CLOB_ARGS_0 K_CLOB_ARGS_1, "%r26"
-#define _syscall0(type,name) \
-type name(void) \
-{ \
- return (type) K_INLINE_SYSCALL(name, 0); \
-}
-
-#define _syscall1(type,name,type1,arg1) \
-type name(type1 arg1) \
-{ \
- return (type) K_INLINE_SYSCALL(name, 1, arg1); \
-}
-
-#define _syscall2(type,name,type1,arg1,type2,arg2) \
-type name(type1 arg1, type2 arg2) \
-{ \
- return (type) K_INLINE_SYSCALL(name, 2, arg1, arg2); \
-}
-
-#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
-type name(type1 arg1, type2 arg2, type3 arg3) \
-{ \
- return (type) K_INLINE_SYSCALL(name, 3, arg1, arg2, arg3); \
-}
-
-#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
-type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
-{ \
- return (type) K_INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4); \
-}
-
-/* select takes 5 arguments */
-#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) K_INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5); \
-}
-
-/* mmap & mmap2 take 6 arguments */
-#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) K_INLINE_SYSCALL(name, 6, arg1, arg2, arg3, arg4, arg5, arg6); \
-}
-
#endif /* __ASSEMBLER__ */
#endif /* _BITS_SYSCALLS_H */
diff --git a/libc/sysdeps/linux/hppa/brk.c b/libc/sysdeps/linux/hppa/brk.c
index 6b96048..5dd407b 100644
--- a/libc/sysdeps/linux/hppa/brk.c
+++ b/libc/sysdeps/linux/hppa/brk.c
@@ -30,7 +30,7 @@ brk (void *addr)
{
void *newbrk;
- __curbrk = newbrk = (void *) K_INLINE_SYSCALL (brk, 1, addr);
+ __curbrk = newbrk = (void *) INLINE_SYSCALL (brk, 1, addr);
if (newbrk < addr)
{
--
1.6.3.3
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