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authorH.J. Lu <hjl.tools@gmail.com>2018-06-04 10:01:34 -0700
committerH.J. Lu <hjl.tools@gmail.com>2018-06-04 10:01:46 -0700
commit95da9854466ada2572b42f5528711a06a2d42db1 (patch)
tree40deaadb0c8cc86a3ced66c823fbb4fba791c146 /bfd/elf64-s390.c
parent62b74cb8b00ca2b42de30ceff4d2f1552b77a10d (diff)
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Use DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION to silence GCC 8.1
GCC 8.1 warns about destination size with -Wstringop-truncation: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643 Use DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION to silence it. bfd/ PR binutils/23146 * bfd-in.h: Include "diagnostics.h". * bfd-in2.h: Regenerated. * elf32-arm.c (elf32_arm_nabi_write_core_note): Use DIAGNOSTIC_PUSH, DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION and DIAGNOSTIC_POP to silence GCC 8.1 warnings with -Wstringop-truncation. * elf32-ppc.c (ppc_elf_write_core_note): Likewse. * elf32-s390.c (elf_s390_write_core_note): Likewse. * elf64-ppc.c (ppc64_elf_write_core_note): Likewse. * elf64-s390.c (elf_s390_write_core_note): Likewse. * elfxx-aarch64.c (_bfd_aarch64_elf_write_core_note): Likewse. include/ * diagnostics.h (DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION): Always define for GCC.
Diffstat (limited to 'bfd/elf64-s390.c')
-rw-r--r--bfd/elf64-s390.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/bfd/elf64-s390.c b/bfd/elf64-s390.c
index 612557f..93a3c7c 100644
--- a/bfd/elf64-s390.c
+++ b/bfd/elf64-s390.c
@@ -3760,7 +3760,16 @@ elf_s390_write_core_note (bfd *abfd, char *buf, int *bufsiz,
va_end (ap);
strncpy (data + 40, fname, 16);
+ DIAGNOSTIC_PUSH;
+ /* GCC 8.1 warns about 80 equals destination size with
+ -Wstringop-truncation:
+ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
+ */
+#if GCC_VERSION == 8001
+ DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
+#endif
strncpy (data + 56, psargs, 80);
+ DIAGNOSTIC_POP;
return elfcore_write_note (abfd, buf, bufsiz, "CORE", note_type,
&data, sizeof (data));
}