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yaml
---
r: 189875
b: refs/heads/master
c: a71d1d6
h: refs/heads/master
i:
  189873: 9b2963d
  189871: 58ffa1d
v: v3
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David S. Miller committed Apr 13, 2010
1 parent 261b83d commit ed7c694
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Showing 2 changed files with 17 additions and 16 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: daecbf58a509bc27c112647e825df763c3e3b0f4
refs/heads/master: a71d1d6bb1b26e566e5c06c37857f4cdc1664780
31 changes: 16 additions & 15 deletions trunk/arch/sparc/lib/mcount.S
Original file line number Diff line number Diff line change
Expand Up @@ -33,9 +33,13 @@ mcount:
or %g2, %lo(ftrace_stub), %g2
cmp %g1, %g2
be,pn %icc, 1f
mov %i7, %o1
jmpl %g1, %g0
mov %o7, %o0
mov %i7, %g2
save %sp, -128, %sp
mov %g2, %o1
jmpl %g1, %o7
mov %i7, %o0
ret
restore
/* not reached */
1:
#endif
Expand All @@ -57,21 +61,18 @@ ftrace_stub:
.type ftrace_caller,#function
ftrace_caller:
sethi %hi(function_trace_stop), %g1
mov %i7, %o1
lduw [%g1 + %lo(function_trace_stop)], %g2
brnz,pn %g2, ftrace_stub
mov %o7, %o0
mov %i7, %g2
lduw [%g1 + %lo(function_trace_stop)], %g3
brnz,pn %g3, ftrace_stub
nop
save %sp, -128, %sp
mov %g2, %o1
.globl ftrace_call
ftrace_call:
/* If the final kernel link ever turns on relaxation, we'll need
* to do something about this tail call. Otherwise the linker
* will rewrite the call into a branch and nop out the move
* instruction.
*/
call ftrace_stub
mov %o0, %o7
retl
nop
mov %i7, %o0
ret
restore
.size ftrace_call,.-ftrace_call
.size ftrace_caller,.-ftrace_caller
#endif
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