d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Unbreak kernel breakpoints, broken for ~4 years now

Browse Source 
When committing DTrace in 2012/2013 era I inadvertently broke breakpoints, by
setting EXC_DTRACE to the same value as BKPT_INST.  Change EXC_DTRACE to a
different, yet logically identical, trap (tw <all>,31,31).

MFC after:	2 weeks
This commit is contained in:
Justin Hibbits 2017-02-28 04:13:20 +00:00
parent bad52b1658
commit b3ae819e0a
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/powerpc/include/trap.h
View File

@ -126,7 +126,7 @@
#define EXC_PGM_TRAP (1UL << 17)
/* DTrace trap opcode. */
#define EXC_DTRACE 0x7c810808
#define EXC_DTRACE 0x7ffff808
/* Magic pointer to store TOC base and other info for trap handlers on ppc64 */
#define TRAP_GENTRAP 0x1f0