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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-06-08 14:41:57 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-06-08 14:41:57 +0200 |
| commit | f112dcc506a6ec0aac5c34891736eec3c4f5dad6 (patch) | |
| tree | eb049ca4137de85133bbc36e0d80454bdaa7d9d6 /sysdeps/mach/hurd | |
| parent | dd7a8ad7ba25cb2269b306758c7d97d4a95527e6 (diff) | |
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hurd: document that gcc&gdb look at the trampoline code
* sysdeps/mach/hurd/i386/trampoline.c (rpc_wait_trampoline): Document
which gcc and gdb files look at the code of the trampoline.
Diffstat (limited to 'sysdeps/mach/hurd')
| -rw-r--r-- | sysdeps/mach/hurd/i386/trampoline.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/i386/trampoline.c b/sysdeps/mach/hurd/i386/trampoline.c index e7eb316fce..8c7976919c 100644 --- a/sysdeps/mach/hurd/i386/trampoline.c +++ b/sysdeps/mach/hurd/i386/trampoline.c @@ -227,7 +227,11 @@ _hurd_setup_sighandler (struct hurd_sigstate *ss, __sighandler_t handler, } /* The trampoline code follows. This used to be located inside - _hurd_setup_sighandler, but was optimized away by gcc 2.95. */ + _hurd_setup_sighandler, but was optimized away by gcc 2.95. + + If you modify this, update + - in gcc: libgcc/config/i386/gnu-unwind.h x86_gnu_fallback_frame_state, + - in gdb: gdb/i386-gnu-tdep.c gnu_sigtramp_code. */ asm ("rpc_wait_trampoline:\n"); /* This is the entry point when we have an RPC reply message to receive |