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| author | Denys Vlasenko <dvlasenk@redhat.com> | 2013-06-28 14:41:30 +0200 |
|---|---|---|
| committer | Denys Vlasenko <dvlasenk@redhat.com> | 2013-06-28 14:41:30 +0200 |
| commit | 7eb893236ca547779b597325a4a0e4b349e4c566 (patch) | |
| tree | bf55184a9fa9f10b6b8d9a19b3d4bdd9a9e76102 /syscall.c | |
| parent | 7f5a132c817ee70343913619371adc29691832bc (diff) | |
| download | strace-7eb893236ca547779b597325a4a0e4b349e4c566.tar.gz strace-7eb893236ca547779b597325a4a0e4b349e4c566.tar.bz2 strace-7eb893236ca547779b597325a4a0e4b349e4c566.tar.xz | |
POWERPC: if GETREGS fails with EIO, don't try it again
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Diffstat (limited to 'syscall.c')
| -rw-r--r-- | syscall.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -1070,9 +1070,15 @@ get_regs(pid_t pid) # elif defined(SPARC) || defined(SPARC64) get_regs_error = ptrace(PTRACE_GETREGS, pid, (char *)&sparc_regs, 0); # elif defined(POWERPC) + static bool old_kernel = 0; + if (old_kernel) + goto old; get_regs_error = ptrace(PTRACE_GETREGS, pid, NULL, (long) &ppc_regs); - if (get_regs_error && errno == EIO) + if (get_regs_error && errno == EIO) { + old_kernel = 1; + old: get_regs_error = powerpc_getregs_old(pid); + } /* try PTRACE_GETREGSET first, fallback to PTRACE_GETREGS */ # else |