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| author | Frank Ch. Eigler <fche@elastic.org> | 2008-07-12 19:10:22 -0400 |
|---|---|---|
| committer | Frank Ch. Eigler <fche@elastic.org> | 2008-07-12 19:10:22 -0400 |
| commit | f1743f00e6058d2dee44510f3ef165c549a6291e (patch) | |
| tree | 00286e777fefe26691e14be0e77536f0c9737214 /runtime/unwind/i386.h | |
| parent | ad125a746537f806424fbad8d36eff332dffc25a (diff) | |
| download | systemtap-steved-f1743f00e6058d2dee44510f3ef165c549a6291e.tar.gz systemtap-steved-f1743f00e6058d2dee44510f3ef165c549a6291e.tar.xz systemtap-steved-f1743f00e6058d2dee44510f3ef165c549a6291e.zip | |
PR6738: restore support for rhel4-era (2.6.9) kernels
Diffstat (limited to 'runtime/unwind/i386.h')
| -rw-r--r-- | runtime/unwind/i386.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/runtime/unwind/i386.h b/runtime/unwind/i386.h index 79e6ba73..9f488f07 100644 --- a/runtime/unwind/i386.h +++ b/runtime/unwind/i386.h @@ -68,6 +68,13 @@ struct unwind_frame_info ((raItem).where == Memory && \ !((raItem).value * (dataAlign) + 4)) + +/* 2.6.9-era compatibility */ +#ifndef user_mode_vm +#define user_mode_vm(regs) user_mode(regs) +#endif + + static inline void arch_unw_init_frame_info(struct unwind_frame_info *info, /*const*/ struct pt_regs *regs) { @@ -125,8 +132,10 @@ static inline int arch_unw_user_mode(const struct unwind_frame_info *info) || info->regs.sp < PAGE_OFFSET; #else return info->regs.eip < PAGE_OFFSET +#ifdef FIX_VDSO /* newer kernel? */ || (info->regs.eip >= __fix_to_virt(FIX_VDSO) && info->regs.eip < __fix_to_virt(FIX_VDSO) + PAGE_SIZE) +#endif || info->regs.esp < PAGE_OFFSET; #endif #endif |