diff options
| author | Mike Gilbert <floppym@gentoo.org> | 2018-05-24 10:48:55 -0400 |
|---|---|---|
| committer | Sven Eden <yamakuzure@gmx.net> | 2018-08-24 16:47:08 +0200 |
| commit | 059f624b552e0cedf6683bd7dad62ed950e9f5b4 (patch) | |
| tree | 81e1dc68cfedcd8ade803975eb2a2f2a3b33164f /src/basic | |
| parent | 879dc2984771e5a24a01bd752d3fa3ebfeccb1ff (diff) | |
basic: fix raw_clone() on 32-bit sparc
The clone syscall uses the same semantics as on 64-bit. The trap number
for syscall entry is different.
Bug: https://bugs.gentoo.org/656368
Diffstat (limited to 'src/basic')
| -rw-r--r-- | src/basic/raw-clone.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/basic/raw-clone.h b/src/basic/raw-clone.h index d8a686631..d35540903 100644 --- a/src/basic/raw-clone.h +++ b/src/basic/raw-clone.h @@ -39,10 +39,10 @@ static inline pid_t raw_clone(unsigned long flags) { /* On s390/s390x and cris the order of the first and second arguments * of the raw clone() system call is reversed. */ ret = (pid_t) syscall(__NR_clone, NULL, flags); -#elif defined(__sparc__) && defined(__arch64__) +#elif defined(__sparc__) { /** - * sparc64 always returns the other process id in %o0, and + * sparc always returns the other process id in %o0, and * a boolean flag whether this is the child or the parent in * %o1. Inline assembly is needed to get the flag returned * in %o1. @@ -52,7 +52,11 @@ static inline pid_t raw_clone(unsigned long flags) { asm volatile("mov %2, %%g1\n\t" "mov %3, %%o0\n\t" "mov 0 , %%o1\n\t" +#if defined(__arch64__) "t 0x6d\n\t" +#else + "t 0x10\n\t" +#endif "mov %%o1, %0\n\t" "mov %%o0, %1" : "=r"(in_child), "=r"(child_pid) : |