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| author | Florian Weimer <fweimer@redhat.com> | 2023-06-06 11:01:07 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2023-06-07 17:55:20 +0200 |
| commit | 49310a993308492348119f4033e4db0bda4fe46a (patch) | |
| tree | 55d751545ff5746e8a5c502abc538b20a5c4b56f /libgcc | |
| parent | b6235dbcfc31434bf3081f3b772dfed96eddd28d (diff) | |
| download | gcc-49310a993308492348119f4033e4db0bda4fe46a.zip gcc-49310a993308492348119f4033e4db0bda4fe46a.tar.gz gcc-49310a993308492348119f4033e4db0bda4fe46a.tar.bz2 | |
libgcc: Fix eh_frame fast path in find_fde_tail
The eh_frame value is only used by linear_search_fdes, not the binary
search directly in find_fde_tail, so the bug is not immediately
apparent with most programs.
Fixes commit e724b0480bfa5ec04f39be8c7290330b495c59de ("libgcc:
Special-case BFD ld unwind table encodings in find_fde_tail").
libgcc/
PR libgcc/109712
* unwind-dw2-fde-dip.c (find_fde_tail): Correct fast path for
parsing eh_frame.
Diffstat (limited to 'libgcc')
| -rw-r--r-- | libgcc/unwind-dw2-fde-dip.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libgcc/unwind-dw2-fde-dip.c b/libgcc/unwind-dw2-fde-dip.c index 6223f5f..4e0b880 100644 --- a/libgcc/unwind-dw2-fde-dip.c +++ b/libgcc/unwind-dw2-fde-dip.c @@ -403,8 +403,8 @@ find_fde_tail (_Unwind_Ptr pc, BFD ld generates. */ signed value __attribute__ ((mode (SI))); memcpy (&value, p, sizeof (value)); + eh_frame = p + value; p += sizeof (value); - dbase = value; /* No adjustment because pcrel has base 0. */ } else p = read_encoded_value_with_base (hdr->eh_frame_ptr_enc, |