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.
This commit is contained in:
H.J. Lu
parent
62b74cb8b0
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95da985446
@ -1,3 +1,18 @@
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2018-06-04 H.J. Lu <hongjiu.lu@intel.com>
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PR binutils/23146
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* bfd-in.h: Include "diagnostics.h".
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* bfd-in2.h: Regenerated.
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* elf32-arm.c (elf32_arm_nabi_write_core_note): Use
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DIAGNOSTIC_PUSH, DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION and
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DIAGNOSTIC_POP to silence GCC 8.1 warnings with
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-Wstringop-truncation.
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* elf32-ppc.c (ppc_elf_write_core_note): Likewse.
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* elf32-s390.c (elf_s390_write_core_note): Likewse.
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* elf64-ppc.c (ppc64_elf_write_core_note): Likewse.
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* elf64-s390.c (elf_s390_write_core_note): Likewse.
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* elfxx-aarch64.c (_bfd_aarch64_elf_write_core_note): Likewse.
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2018-06-03 Jim Wilson <jimw@sifive.com>
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PR ld/23244
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@ -34,6 +34,7 @@ extern "C" {
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#include "ansidecl.h"
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#include "symcat.h"
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#include "diagnostics.h"
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#include <stdarg.h>
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#include <sys/stat.h>
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@ -41,6 +41,7 @@ extern "C" {
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#include "ansidecl.h"
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#include "symcat.h"
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#include "diagnostics.h"
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#include <stdarg.h>
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#include <sys/stat.h>
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@ -2174,7 +2174,16 @@ elf32_arm_nabi_write_core_note (bfd *abfd, char *buf, int *bufsiz,
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va_start (ap, note_type);
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memset (data, 0, sizeof (data));
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strncpy (data + 28, va_arg (ap, const char *), 16);
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DIAGNOSTIC_PUSH;
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/* GCC 8.1 warns about 80 equals destination size with
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-Wstringop-truncation:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
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*/
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#if GCC_VERSION == 8001
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DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
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#endif
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strncpy (data + 44, va_arg (ap, const char *), 80);
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DIAGNOSTIC_POP;
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va_end (ap);
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return elfcore_write_note (abfd, buf, bufsiz,
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@ -2411,7 +2411,16 @@ ppc_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, ...)
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va_start (ap, note_type);
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memset (data, 0, sizeof (data));
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strncpy (data + 32, va_arg (ap, const char *), 16);
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DIAGNOSTIC_PUSH;
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/* GCC 8.1 warns about 80 equals destination size with
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-Wstringop-truncation:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
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*/
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#if GCC_VERSION == 8001
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DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
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#endif
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strncpy (data + 48, va_arg (ap, const char *), 80);
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DIAGNOSTIC_POP;
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va_end (ap);
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return elfcore_write_note (abfd, buf, bufsiz,
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"CORE", note_type, data, sizeof (data));
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@ -3951,7 +3951,16 @@ elf_s390_write_core_note (bfd *abfd, char *buf, int *bufsiz,
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va_end (ap);
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strncpy (data + 28, fname, 16);
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DIAGNOSTIC_PUSH;
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/* GCC 8.1 warns about 80 equals destination size with
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-Wstringop-truncation:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
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*/
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#if GCC_VERSION == 8001
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DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
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#endif
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strncpy (data + 44, psargs, 80);
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DIAGNOSTIC_POP;
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return elfcore_write_note (abfd, buf, bufsiz, "CORE", note_type,
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&data, sizeof (data));
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}
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@ -3041,7 +3041,16 @@ ppc64_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type,
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va_start (ap, note_type);
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memset (data, 0, sizeof (data));
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strncpy (data + 40, va_arg (ap, const char *), 16);
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DIAGNOSTIC_PUSH;
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/* GCC 8.1 warns about 80 equals destination size with
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-Wstringop-truncation:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
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*/
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#if GCC_VERSION == 8001
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DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
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#endif
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strncpy (data + 56, va_arg (ap, const char *), 80);
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DIAGNOSTIC_POP;
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va_end (ap);
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return elfcore_write_note (abfd, buf, bufsiz,
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"CORE", note_type, data, sizeof (data));
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@ -3760,7 +3760,16 @@ elf_s390_write_core_note (bfd *abfd, char *buf, int *bufsiz,
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va_end (ap);
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strncpy (data + 40, fname, 16);
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DIAGNOSTIC_PUSH;
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/* GCC 8.1 warns about 80 equals destination size with
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-Wstringop-truncation:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
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*/
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#if GCC_VERSION == 8001
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DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
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#endif
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strncpy (data + 56, psargs, 80);
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DIAGNOSTIC_POP;
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return elfcore_write_note (abfd, buf, bufsiz, "CORE", note_type,
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&data, sizeof (data));
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}
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@ -640,7 +640,16 @@ _bfd_aarch64_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_ty
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va_start (ap, note_type);
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memset (data, 0, sizeof (data));
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strncpy (data + 40, va_arg (ap, const char *), 16);
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DIAGNOSTIC_PUSH;
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/* GCC 8.1 warns about 80 equals destination size with
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-Wstringop-truncation:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
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*/
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#if GCC_VERSION == 8001
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DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
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#endif
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strncpy (data + 56, va_arg (ap, const char *), 80);
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DIAGNOSTIC_POP;
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va_end (ap);
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return elfcore_write_note (abfd, buf, bufsiz, "CORE",
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@ -1,3 +1,8 @@
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2018-06-04 H.J. Lu <hongjiu.lu@intel.com>
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* diagnostics.h (DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION): Always
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define for GCC.
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2018-06-04 H.J. Lu <hongjiu.lu@intel.com>
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* diagnostics.h (DIAGNOSTIC_STRINGIFY_1): New.
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@ -48,10 +48,8 @@
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# define DIAGNOSTIC_IGNORE_UNUSED_FUNCTION \
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DIAGNOSTIC_IGNORE ("-Wunused-function")
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# if __GNUC__ == 8 && __GNUC_MINOR__ < 2
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# define DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION \
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# define DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION \
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DIAGNOSTIC_IGNORE ("-Wstringop-truncation")
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# endif
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#endif
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#ifndef DIAGNOSTIC_IGNORE_SELF_MOVE
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