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[PATCH] On non-linux systems, don't use native signal numbers
- From: Ulf Hermann <ulf dot hermann at qt dot io>
- To: <elfutils-devel at sourceware dot org>
- Date: Mon, 8 May 2017 13:42:37 +0200
- Subject: [PATCH] On non-linux systems, don't use native signal numbers
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We assume core files from linux systems, so we should use the linux
version of the signals when reading them. Other OS might have different
signal numbers.
Signed-off-by: Ulf Hermann <ulf.hermann@qt.io>
---
src/readelf.c | 25 ++++++++++++++++++++-----
1 file changed, 20 insertions(+), 5 deletions(-)
diff --git a/src/readelf.c b/src/readelf.c
index 6811ace..01d2a56 100644
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -57,6 +57,21 @@
#include "../libdw/known-dwarf.h"
+#ifdef __linux__
+#define CORE_SIGILL SIGILL
+#define CORE_SIGBUS SIGBUS
+#define CORE_SIGFPE SIGFPE
+#define CORE_SIGSEGV SIGSEGV
+#define CORE_SI_USER SI_USER
+#else
+/* We want the linux version of those as that is what shows up in the
core files. */
+#define CORE_SIGILL 4 /* Illegal instruction (ANSI). */
+#define CORE_SIGBUS 7 /* BUS error (4.2 BSD). */
+#define CORE_SIGFPE 8 /* Floating-point exception (ANSI). */
+#define CORE_SIGSEGV 11 /* Segmentation violation (ANSI). */
+#define CORE_SI_USER 0 /* Sent by kill, sigsend. */
+#endif
+
/* Name and version of program. */
ARGP_PROGRAM_VERSION_HOOK_DEF = print_version;
@@ -9244,10 +9259,10 @@ handle_siginfo_note (Elf *core, GElf_Word
descsz, GElf_Off desc_pos)
if (si_code > 0)
switch (si_signo)
{
- case SIGILL:
- case SIGFPE:
- case SIGSEGV:
- case SIGBUS:
+ case CORE_SIGILL:
+ case CORE_SIGFPE:
+ case CORE_SIGSEGV:
+ case CORE_SIGBUS:
{
uint64_t addr;
if (! buf_read_ulong (core, &ptr, end, &addr))
@@ -9258,7 +9273,7 @@ handle_siginfo_note (Elf *core, GElf_Word descsz,
GElf_Off desc_pos)
default:
;
}
- else if (si_code == SI_USER)
+ else if (si_code == CORE_SI_USER)
{
int pid, uid;
if (! buf_read_int (core, &ptr, end, &pid)
--
2.8.1.windows.1