Commit 8b9bdab6 authored by @wuzhangjin's avatar @wuzhangjin Committed by Willy Tarreau
Browse files

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



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

Signed-off-by: default avatarZhangjin Wu <falcon@tinylab.org>
Signed-off-by: default avatarWilly Tarreau <w@1wt.eu>
parent 2dca615a

tools/include/nolibc/arch-mips.h

+10 −12
Original line number Diff line number Diff line
@@ -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;                                                 \

})