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gcc: Pass --eh-frame-hdr to linker by default

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This creates a PT_EH_FRAME section in Haiku binaries,
allowing 3rd party unwind libraries (libunwind) to obtain
frame information for unwind procedures.

Change-Id: If475909d182bcac11024ebbc8220456733330fe8
Reviewed-on: https://review.haiku-os.org/c/buildtools/+/5434
Reviewed-by: Adrien Destugues <pulkomandy@pulkomandy.tk>
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
This commit is contained in:
Trung Nguyen 2022-07-06 23:57:55 +07:00 committed by waddlesplash
parent 493aaad4dc
commit 0665c85caf
1 changed files with 6 additions and 0 deletions
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6
gcc/gcc/config/haiku.h
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@ -67,6 +67,12 @@ Boston, MA 02111-1307, USA. */
#define USE_LD_AS_NEEDED 1
#endif
/* Pass --eh-frame-hdr to provide a PT_EH_FRAME section, allowing unwind
libraries to get frame information. */
#if defined(HAVE_LD_EH_FRAME_HDR)
#define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
#endif
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "crti.o%s crtbeginS.o%s %{!shared:%{!nostart:start_dyn.o%s}} init_term_dyn.o%s"