diff options
Diffstat (limited to 'meta/recipes-devtools/strace/strace-4.8/strace-fix-64-bit-process-detection.patch')
| -rw-r--r-- | meta/recipes-devtools/strace/strace-4.8/strace-fix-64-bit-process-detection.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/meta/recipes-devtools/strace/strace-4.8/strace-fix-64-bit-process-detection.patch b/meta/recipes-devtools/strace/strace-4.8/strace-fix-64-bit-process-detection.patch new file mode 100644 index 0000000000..a6579df598 --- /dev/null +++ b/meta/recipes-devtools/strace/strace-4.8/strace-fix-64-bit-process-detection.patch @@ -0,0 +1,34 @@ +powerpc64: fix 64-bit process detection on embedded + +* syscall.c (get_scno) [POWERPC64]: Fix 64-bit process detection +on embedded powerpc. + +Upstream-Status: Backport + +Signed-off-by: James Yang <james.yang@freescale.com> +Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> + +diff --git a/syscall.c.orig b/syscall.c +index 7efee0e..72d9453 100644 +--- a/syscall.c.orig ++++ b/syscall.c +@@ -1207,11 +1207,14 @@ get_scno(struct tcb *tcp) + /* Check for 64/32 bit mode. */ + if (upeek(tcp, sizeof(unsigned long)*PT_MSR, &val) < 0) + return -1; +- /* SF is bit 0 of MSR */ +- if (val < 0) +- currpers = 0; +- else +- currpers = 1; ++ ++ /* ++ * Check for 64/32 bit mode. ++ * Embedded implementations covered by Book E extension of PPC use ++ * bit 0 (CM) of 32-bit Machine state register (MSR). ++ * Other implementations use bit 0 (SF) of 64-bit MSR. ++ */ ++ currpers = (val & 0x8000000080000000) ? 0 : 1; + update_personality(tcp, currpers); + # endif + #elif defined(AVR32) |