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From: gcc@microbizz.nl
To: gcc-gnats@gcc.gnu.org
Subject: other/10900: trampolines crash on apple-powerpc-darwin
Date: Wed, 21 May 2003 10:19:00 -0000 [thread overview]
Message-ID: <20030521101058.15150.qmail@sources.redhat.com> (raw)
>Number: 10900
>Category: other
>Synopsis: trampolines crash on apple-powerpc-darwin
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Wed May 21 10:16:01 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: gcc@microbizz.nl
>Release: gcc-3.3
>Organization:
>Environment:
apple-powerpc-darwin 6.4
ppc7400
>Description:
trampolines crash on apple-powerpc-darwin (known for a long time, but still not fixed in gcc-3.3)
>How-To-Repeat:
>Fix:
# bug fix for trampolines (Andrew Reynolds)
*** gcc/config/rs6000/darwin-tramp.asm.orig Sat Dec 29 09:07:56 2001
--- gcc/config/rs6000/darwin-tramp.asm Mon Feb 10 01:55:39 2003
***************
*** 60,75 ****
.globl ___trampoline_setup
___trampoline_setup:
! mflr r0 /* save return address */
! bcl 20,31,LCF0 /* load up __trampoline_initial into r7 */
! LCF0:
! mflr r11
! addi r7,r11,ha16(LTRAMP-LCF0)
! lwz r7,lo16(LTRAMP-LCF0)(r7)
! subi r7,r7,4
! li r8,trampoline_size /* verify trampoline big enough */
! cmpw cr1,r8,r4
! srwi r4,r4,2 /* # words to move */
addi r9,r3,-4 /* adjust pointer for lwzu */
mtctr r4
blt cr1,Labort
--- 60,74 ----
.globl ___trampoline_setup
___trampoline_setup:
! mflr r0 /* save return address */
! bcl 20,31,LCF0 /* load up __trampoline_initial into r7 */
! LCF0:
! Ltrampoline_address = Ltrampoline_initial-4-.
! mflr r11
! addi r7,r11,Ltrampoline_address
! li r8,trampoline_size /* verify trampoline big enough */
! cmpw cr1,r8,r4
! srwi r4,r4,2 /* # words to move */
addi r9,r3,-4 /* adjust pointer for lwzu */
mtctr r4
blt cr1,Labort
***************
*** 124,131 ****
#else
bl _abort
#endif
- .data
- .align 2
- LTRAMP:
- .long Ltrampoline_initial
--- 123,126 ----
>Release-Note:
>Audit-Trail:
>Unformatted:
reply other threads:[~2003-05-21 10:19 UTC|newest]
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