diff options
Diffstat (limited to 'patches/binutils/2.23.2/912-xtensa-fix-gas-segfault-with-text-section-literals.patch')
| -rw-r--r-- | patches/binutils/2.23.2/912-xtensa-fix-gas-segfault-with-text-section-literals.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/patches/binutils/2.23.2/912-xtensa-fix-gas-segfault-with-text-section-literals.patch b/patches/binutils/2.23.2/912-xtensa-fix-gas-segfault-with-text-section-literals.patch new file mode 100644 index 0000000..4a3de2c --- /dev/null +++ b/patches/binutils/2.23.2/912-xtensa-fix-gas-segfault-with-text-section-literals.patch @@ -0,0 +1,56 @@ +From 2d0522e76e4afeeb2e104e0a4332d94fa0d2fbf6 Mon Sep 17 00:00:00 2001 +From: Max Filippov <jcmvbkbc@gmail.com> +Date: Sun, 17 May 2015 06:46:15 +0300 +Subject: [PATCH] xtensa: fix gas segfault with --text-section-literals + +When --text-section-literals is used and code in the .init or .fini +emits literal in the absence of .literal_position, xtensa_move_literals +segfaults. + +Check that search_frag is non-NULL in the xtensa_move_literals and +report error otherwise. + +2015-05-26 Max Filippov <jcmvbkbc@gmail.com> +gas/ + * config/tc-xtensa.c (xtensa_move_literals): Check that + search_frag is non-NULL. Report error if literal frag is not + found. + +Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> +--- +Backported from: 4de0562a4c69fef4952aa7e19d7bda359f02e8b4 +Changes to ChangeLog are dropped. + + gas/config/tc-xtensa.c | 10 +++++++++- + 1 file changed, 9 insertions(+), 1 deletion(-) + +diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c +index 31c0b6b..18307c1 100644 +--- a/gas/config/tc-xtensa.c ++++ b/gas/config/tc-xtensa.c +@@ -10808,13 +10808,21 @@ xtensa_move_literals (void) + frchain_to = NULL; + frag_splice = &(frchain_from->frch_root); + +- while (!search_frag->tc_frag_data.literal_frag) ++ while (search_frag && !search_frag->tc_frag_data.literal_frag) + { + gas_assert (search_frag->fr_fix == 0 + || search_frag->fr_type == rs_align); + search_frag = search_frag->fr_next; + } + ++ if (!search_frag) ++ { ++ search_frag = frchain_from->frch_root; ++ as_bad_where (search_frag->fr_file, search_frag->fr_line, ++ _("literal pool location required for text-section-literals; specify with .literal_position")); ++ continue; ++ } ++ + gas_assert (search_frag->tc_frag_data.literal_frag->fr_subtype + == RELAX_LITERAL_POOL_BEGIN); + xtensa_switch_section_emit_state (&state, segment->seg, 0); +-- +1.8.1.4 + |