my_syscall<N> share a same long clobber list, define a macro for them.
Signed-off-by: Zhangjin Wu <falcon@xxxxxxxxxxx>
---
tools/include/nolibc/arch-mips.h | 22 ++++++++++------------
1 file changed, 10 insertions(+), 12 deletions(-)
diff --git a/tools/include/nolibc/arch-mips.h b/tools/include/nolibc/arch-mips.h
index 1fd1eedc12a6..55a9f01825e0 100644
--- a/tools/include/nolibc/arch-mips.h
+++ b/tools/include/nolibc/arch-mips.h
@@ -57,6 +57,10 @@ struct sys_stat_struct {
* don't have to experience issues with register constraints.
*/
+#define 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" \
+ : 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" \
+ : 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" \
+ : 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" \
+ : 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" \
+ : 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" \
+ : SYSCALL_CLOBBERLIST \
); \
_arg4 ? -_num : _num; \
})
--
2.25.1
