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| author | David Smith <dsmith@redhat.com> | 2008-11-04 12:52:21 -0600 |
|---|---|---|
| committer | David Smith <dsmith@redhat.com> | 2008-11-04 12:52:21 -0600 |
| commit | 32f1f1a7b640cb110982b9ec364034645c0b0734 (patch) | |
| tree | 5e14ee83fb436cdeb76b380ebae0d1fdf111a7ee /runtime/syscall.h | |
| parent | 49c9622d4708c94922f351b83b7f2f729f7a1288 (diff) | |
| download | systemtap-steved-32f1f1a7b640cb110982b9ec364034645c0b0734.tar.gz systemtap-steved-32f1f1a7b640cb110982b9ec364034645c0b0734.tar.xz systemtap-steved-32f1f1a7b640cb110982b9ec364034645c0b0734.zip | |
PR5274 - Added s390 task_finder support.
2008-11-04 David Smith <dsmith@redhat.com>
PR 5274.
* syscall.h: Added s390 task_finder support.
Diffstat (limited to 'runtime/syscall.h')
| -rw-r--r-- | runtime/syscall.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/runtime/syscall.h b/runtime/syscall.h index 24fc7b1c..ae451070 100644 --- a/runtime/syscall.h +++ b/runtime/syscall.h @@ -75,6 +75,14 @@ #define MREMAP_SYSCALL_NO(tsk) 1156 #endif +#if defined(__s390__) || defined(__s390x__) +#define MMAP_SYSCALL_NO(tsk) 90 +#define MMAP2_SYSCALL_NO(tsk) 192 +#define MPROTECT_SYSCALL_NO(tsk) 125 +#define MUNMAP_SYSCALL_NO(tsk) 91 +#define MREMAP_SYSCALL_NO(tsk) 163 +#endif + #if !defined(MMAP_SYSCALL_NO) || !defined(MMAP2_SYSCALL_NO) \ || !defined(MPROTECT_SYSCALL_NO) || !defined(MUNMAP_SYSCALL_NO) \ || !defined(MREMAP_SYSCALL_NO) @@ -111,6 +119,15 @@ __stp_user_syscall_nr(struct pt_regs *regs) } #endif +#if defined(__s390__) || defined(__s390x__) +static inline unsigned long +__stp_user_syscall_nr(struct pt_regs *regs) +{ + // might need to be 'orig_gpr2' + return regs->gprs[2]; +} +#endif + #if defined(__i386__) || defined(__x86_64__) static inline long * __stp_user_syscall_return_value(struct task_struct *task, struct pt_regs *regs) @@ -153,6 +170,14 @@ __stp_user_syscall_return_value(struct task_struct *task, struct pt_regs *regs) } #endif +#if defined(__s390__) || defined(__s390x__) +static inline long * +__stp_user_syscall_return_value(struct task_struct *task, struct pt_regs *regs) +{ + return ®s->gprs[2]; +} +#endif + #if defined(__i386__) || defined(__x86_64__) static inline long * __stp_user_syscall_arg(struct task_struct *task, struct pt_regs *regs, @@ -251,4 +276,27 @@ ____stp_user_syscall_arg(struct task_struct *task, struct pt_regs *regs, } #endif +#if defined(__s390__) || defined(__s390x__) +static inline long * +__stp_user_syscall_arg(struct task_struct *task, struct pt_regs *regs, + unsigned int n) +{ + /* If we were returning a value, we could check for TIF_31BIT + * here and cast the value with '(u32)' to make sure it got + * down to 32bits. But, since we're returning an address, + * there isn't much we can do. */ + switch (n) { + case 0: return ®s->orig_gpr2; + case 1: return ®s->gprs[3]; + case 2: return ®s->gprs[4]; + case 3: return ®s->gprs[5]; + case 4: return ®s->gprs[6]; + case 5: return ®s->args[0]; + default: + _stp_error("syscall arg > 5"); + return NULL; + } +} +#endif + #endif /* _SYSCALL_H_ */ |