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fix the 'this' adjustment, AIX uses CFRONT while gcc on ppc uses the other one

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#= 24305
r= jdunn@netscape.com - I know this is me, but this is an AIX only bug.  jband
   talked me through the fix
This commit is contained in:
jdunn%netscape.com 2000-01-19 01:19:26 +00:00
parent c8d963236f
commit 175ee75c0d
1 changed files with 6 additions and 0 deletions
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6
xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc_aix.s
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@ -35,6 +35,8 @@
.set f20,20; .set f21,21; .set f22,22; .set f23,23; .set f24,24
.set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29
.set f30,30; .set f31,31
.set BO_IF,12
.set CR0_EQ,2
@ -111,6 +113,10 @@
slwi r5,r5,3 # methodIndex * 8
addi r5,r5,8 # step over junk at start of vTable !
lwzx r11,r5,r4 # get function pointer
addi r5,r5,-4 # We need to manually adjust the 'that' pointer, this is CFRONT based
lwzx r5,r4,r5 # offset = r4(vtable) + r5(methodIndex offset) - 4
add r3,r5,r3 # adjust 'that' r3 = r3 + r5
lwz r4,28(sp)
lwz r5,32(sp)