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authorAndreas Krebbel <krebbel@linux.vnet.ibm.com>2013-02-21 09:47:55 +0100
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2013-02-21 09:47:55 +0100
commite21d7aa71c0700b6611bd55881b862ac73c5cd5b (patch)
tree5369b486733e6363b238c6e320af98275bdd45a1 /sysdeps
parent4c7a4263afe8304e127ae2888950f02c8bc9a9f9 (diff)
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S/390: Fix _dl_runtime_profile for 32 bit.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/s390/s390-32/dl-trampoline.S16
1 files changed, 11 insertions, 5 deletions
diff --git a/sysdeps/s390/s390-32/dl-trampoline.S b/sysdeps/s390/s390-32/dl-trampoline.S
index 2846d84..1ae43cb 100644
--- a/sysdeps/s390/s390-32/dl-trampoline.S
+++ b/sysdeps/s390/s390-32/dl-trampoline.S
@@ -95,16 +95,16 @@ _dl_runtime_profile:
lr %r1,%r2 # function addr returned in r2
icm %r0,15,20(%r12) # load & test framesize
jnm 2f
+
lm %r2,%r6,32(%r12)
ld %f0,56(%r12)
ld %f2,64(%r12)
- basr %r14,%r1 # call resolved function
-1: lr %r15,%r12 # remove stack frame
+ lr %r15,%r12 # remove stack frame
cfi_def_cfa_register (15)
l %r14,16(%r15) # restore registers
l %r12,12(%r15)
- l %r6,8(%r15)
- br %r14
+ br %r1 # tail-call to the resolved function
+
cfi_def_cfa_register (12)
2: jz 4f # framesize == 0 ?
ahi %r0,7 # align framesize to 8
@@ -131,7 +131,13 @@ _dl_runtime_profile:
la %r4,32(%r12) # pointer to struct La_s390_32_regs
la %r5,72(%r12) # pointer to struct La_s390_32_retval
basr %r14,%r1 # call _dl_call_pltexit
- j 1b
+
+ lr %r15,%r12 # remove stack frame
+ cfi_def_cfa_register (15)
+ l %r14,16(%r15) # restore registers
+ l %r12,12(%r15)
+ br %r14
+
6: .long _dl_profile_fixup - 0b
7: .long _dl_call_pltexit - 5b
cfi_endproc