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fix arm crti/crtn code

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lr must be saved because init/fini-section code from the compiler
clobbers it. this was not a problem when i tested without gcc's
crtbegin/crtend files present, but with them, musl on arm fails to
work (infinite loop in _init).
This commit is contained in:
Rich Felker 2012-06-25 16:06:09 -04:00
parent ec820f1262
commit 9abab94b21
2 changed files with 4 additions and 0 deletions
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2
crt/arm/crti.s
View File

@ -1,7 +1,9 @@
.section .init .section .init
.global _init .global _init
_init: _init:
push {lr}
.section .fini .section .fini
.global _fini .global _fini
_fini: _fini:
push {lr}

2
crt/arm/crtn.s
View File

@ -1,9 +1,11 @@
.section .init .section .init
pop {lr}
tst lr,#1 tst lr,#1
moveq pc,lr moveq pc,lr
bx lr bx lr
.section .fini .section .fini
pop {lr}
tst lr,#1 tst lr,#1
moveq pc,lr moveq pc,lr
bx lr bx lr