mirrors/musl
1
0
Fork 0
mirror of https://git.musl-libc.org/git/musl synced 2025-01-23 06:32:05 +03:00
Code Issues Packages Projects Releases Wiki Activity

make sh crti/crtn init/fini fragments setup proper stack frame

Browse Source 
for fdpic support is is essential that the got pointer be saved at a
known, ABI-dictated offset from the frame pointer, since there is no
way to recover it once it's lost.
This commit is contained in:
Rich Felker 2015-09-12 02:50:28 +00:00
parent 17cdbc4e42
commit ad5d8a2bf3
2 changed files with 14 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
crt/sh/crti.s
View File

@ -2,12 +2,20 @@
.global _init
.type _init, @function
_init:
add #-4, r15
mov.l r12, @-r15
mov.l r14, @-r15
sts.l pr, @-r15
mov r15, r14
nop
.section .fini
.global _fini
.type _fini, @function
_fini:
add #-4, r15
mov.l r12, @-r15
mov.l r14, @-r15
sts.l pr, @-r15
mov r15, r14
nop

8
crt/sh/crtn.s
View File

@ -1,9 +1,13 @@
.section .init
lds.l @r15+, pr
mov.l @r15+, r14
mov.l @r15+, r12
rts
nop
add #4, r15
.section .fini
lds.l @r15+, pr
mov.l @r15+, r14
mov.l @r15+, r12
rts
nop
add #4, r15