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use register $25 for trampoline

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This commit is contained in:
John Reiser 2007-05-16 13:50:16 -07:00
parent a3d46b18ac
commit d54ac1ba91
1 changed files with 3 additions and 3 deletions
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6
src/stub/src/mipsel.r3000-linux.elf-fold.S
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@ -104,7 +104,7 @@ L20:
subtracting the current location). subtracting the current location).
So do it the hard way. So do it the hard way.
*/ */
bal 9f # ra= &9f bltzal $0,9f # ra= &9f; no branch (condition is false!)
li v0,%lo(9f) li v0,%lo(9f)
9: 9:
subu v0,ra,v0 subu v0,ra,v0
@ -119,12 +119,12 @@ L30: # find end of av
lw tmp,a_type(s6) lw tmp,a_type(s6)
addiu s6,s6,8 addiu s6,s6,8
bnez tmp,L30 # stop when s6= &auxv_t[NULL] bnez tmp,L30 # stop when s6= &auxv_t[NULL]
move ra,v0 # &entry move jp,v0 # &entry
lw tmp,-8+ a_val(s6) lw tmp,-8+ a_val(s6)
move a1,s2 # LENU move a1,s2 # LENU
beqz tmp,L40 # could not make escape hatch beqz tmp,L40 # could not make escape hatch
move a0,s3 # ADRU move a0,s3 # ADRU
jr tmp # goto munmap escape hatch: [syscall; jr ra; nop] jr tmp # goto munmap escape hatch: [syscall; jr jp; nop]
li v0,__NR_munmap li v0,__NR_munmap
L40: L40:
jr ra # omit munmap jr ra # omit munmap