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Before jumping to application's entry point set ra == pc in order

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to let backtracing routine know to go no further.
This commit is contained in:
Oleksandr Tymoshenko 2012-03-23 17:54:06 +00:00
parent 7ccd203639
commit bbc54af80e
1 changed files with 2 additions and 1 deletions
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3
libexec/rtld-elf/mips/rtld_start.S
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@ -80,7 +80,8 @@ LEAF(rtld_start)
move a0, s0 /* stack pointer */
move t9, v0
PTR_SUBU sp, 4*SZREG /* ABI requires to reserve memory for 4 regs */
jr t9 /* _start(sp, cleanup, obj); */
move ra,t9 /* RA == PC signals backtrace routine to stop */
j t9 /* _start(sp, cleanup, obj); */
move a3, s3 /* restore ps_strings */
END(rtld_start)