Do not add esp into clobber list
Summary:
Including `$esp` in the clobber list makes less sense due to most assembly template should restore `$esp` properly.
Upstream commit:
@@ -1971,7 +1971,7 @@ struct kernel_statfs {
LSS_ENTRYPOINT \
"pop %%ebx" \
args \
- : "esp", "memory"); \
+ : "memory"); \
LSS_RETURN(type,__res)
#undef _syscall0
#define _syscall0(type,name) \
@@ -2028,7 +2028,7 @@ struct kernel_statfs {
: "i" (__NR_##name), "ri" ((long)(arg1)), \
"c" ((long)(arg2)), "d" ((long)(arg3)), \
"S" ((long)(arg4)), "D" ((long)(arg5)) \
- : "esp", "memory"); \
+ : "memory"); \
LSS_RETURN(type,__res); \
}
#undef _syscall6
@@ -2050,7 +2050,7 @@ struct kernel_statfs {
: "i" (__NR_##name), "0" ((long)(&__s)), \
"c" ((long)(arg2)), "d" ((long)(arg3)), \
"S" ((long)(arg4)), "D" ((long)(arg5)) \
- : "esp", "memory"); \
+ : "memory"); \
LSS_RETURN(type,__res); \
}
LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack,
@@ -2136,7 +2136,7 @@ struct kernel_statfs {
: "0"(-EINVAL), "i"(__NR_clone),
"m"(fn), "m"(child_stack), "m"(flags), "m"(arg),
"m"(parent_tidptr), "m"(newtls), "m"(child_tidptr)
- : "esp", "memory", "ecx", "edx", "esi", "edi");
+ : "memory", "ecx", "edx", "esi", "edi");
LSS_RETURN(int, __res);
}
