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tools/nolibc: arch-mips.h: shrink with _NOLIBC_SYSCALL_CLOBBERLIST

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my_syscall<N> share the same long clobber list, define a macro for them.

Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Zhangjin Wu 2023-07-07 22:54:26 +08:00 committed by Willy Tarreau
parent 2dca615ade
commit 8b9bdab635
1 changed files with 10 additions and 12 deletions
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22
tools/include/nolibc/arch-mips.h
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@ -57,6 +57,10 @@ struct sys_stat_struct {
* don't have to experience issues with register constraints.
*/
#define _NOLIBC_SYSCALL_CLOBBERLIST \
"memory", "cc", "at", "v1", "hi", "lo", \
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9"
#define my_syscall0(num) \
({ \
register long _num __asm__ ("v0") = (num); \
@ -68,8 +72,7 @@ struct sys_stat_struct {
"addiu $sp, $sp, 32\n" \
: "=r"(_num), "=r"(_arg4) \
: "r"(_num) \
: "memory", "cc", "at", "v1", "hi", "lo", \
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9" \
: _NOLIBC_SYSCALL_CLOBBERLIST \
); \
_arg4 ? -_num : _num; \
})
@ -87,8 +90,7 @@ struct sys_stat_struct {
: "=r"(_num), "=r"(_arg4) \
: "0"(_num), \
"r"(_arg1) \
: "memory", "cc", "at", "v1", "hi", "lo", \
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9" \
: _NOLIBC_SYSCALL_CLOBBERLIST \
); \
_arg4 ? -_num : _num; \
})
@ -107,8 +109,7 @@ struct sys_stat_struct {
: "=r"(_num), "=r"(_arg4) \
: "0"(_num), \
"r"(_arg1), "r"(_arg2) \
: "memory", "cc", "at", "v1", "hi", "lo", \
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9" \
: _NOLIBC_SYSCALL_CLOBBERLIST \
); \
_arg4 ? -_num : _num; \
})
@ -128,8 +129,7 @@ struct sys_stat_struct {
: "=r"(_num), "=r"(_arg4) \
: "0"(_num), \
"r"(_arg1), "r"(_arg2), "r"(_arg3) \
: "memory", "cc", "at", "v1", "hi", "lo", \
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9" \
: _NOLIBC_SYSCALL_CLOBBERLIST \
); \
_arg4 ? -_num : _num; \
})
@ -149,8 +149,7 @@ struct sys_stat_struct {
: "=r" (_num), "=r"(_arg4) \
: "0"(_num), \
"r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4) \
: "memory", "cc", "at", "v1", "hi", "lo", \
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9" \
: _NOLIBC_SYSCALL_CLOBBERLIST \
); \
_arg4 ? -_num : _num; \
})
@ -172,8 +171,7 @@ struct sys_stat_struct {
: "=r" (_num), "=r"(_arg4) \
: "0"(_num), \
"r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5) \
: "memory", "cc", "at", "v1", "hi", "lo", \
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9" \
: _NOLIBC_SYSCALL_CLOBBERLIST \
); \
_arg4 ? -_num : _num; \
})