glebfm/strace
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

powerpc64: fix 64-bit process detection on embedded

Browse Source 
* syscall.c (get_scno) [POWERPC64]: Fix 64-bit process detection
on embedded powerpc.

Signed-off-by: James Yang <james.yang@freescale.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
This commit is contained in:
James Yang 2014-02-18 15:32:43 -06:00 committed by Dmitry V. Levin
parent fdb896e577
commit a78d777c86
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
syscall.c
View File

@ -1218,12 +1218,13 @@ get_scno(struct tcb *tcp)
# ifdef POWERPC64
int currpers;
/* Check for 64/32 bit mode. */
/* SF is bit 0 of MSR */
if ((ppc_regs.msr >> 63) & 1)
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 = (ppc_regs.msr & 0x8000000080000000) ? 0 : 1;
update_personality(tcp, currpers);
# endif
#elif defined(AVR32)