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elf: Compile _dl_debug_state separately (bug 33224)

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This ensures that the compiler will not inline it, so that
debuggers which do not use the Systemtap probes can reliably
set a breakpoint on it.

Reviewed-by: Andreas K. Huettel <dilfridge@gentoo.org>
Tested-by: Andreas K. Huettel <dilfridge@gentoo.org>
This commit is contained in:
Florian Weimer
2025-07-28 14:16:52 +02:00
parent c4ff6e666b
commit 620f0730f3
3 changed files with 31 additions and 11 deletions
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11
elf/dl-debug.c
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@@ -167,14 +167,3 @@ _dl_debug_initialize (ElfW(Addr) ldbase, Lmid_t ns)
return &r->base;
}
/* This function exists solely to have a breakpoint set on it by the
debugger. The debugger is supposed to find this function's address by
examining the r_brk member of struct r_debug, but GDB 4.15 in fact looks
for this particular symbol name in the PT_INTERP file. */
void
_dl_debug_state (void)
{
}
rtld_hidden_def (_dl_debug_state)