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Do not store data below the stack pointer on MIPS.

This commit is contained in:
Petar Jovanovic 2012-07-06 19:12:21 +00:00 committed by Joseph Myers
parent f17ac40d7c
commit 76b1f93b04
2 changed files with 8 additions and 2 deletions
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5
ports/ChangeLog.mips
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@ -1,3 +1,8 @@
2012-07-06 Petar Jovanovic <petar.jovanovic@rt-rk.com>
* sysdeps/mips/dl-machine.h (RTLD_START): Do not store data below
the stack pointer.
2012-06-19 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/mips/mips32/nptl/ld.abilist: Update

5
ports/sysdeps/mips/dl-machine.h
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@ -266,13 +266,14 @@ do { \
" STRINGXP(PTR_ADDU) " $7, $7, " STRINGXP (PTRSIZE) " \n\
# Make sure the stack pointer is aligned for _dl_init_internal.\n\
and $2, $29, -2 * " STRINGXP(SZREG) "\n\
" STRINGXP(PTR_S) " $29, -" STRINGXP(SZREG) "($2)\n\
move $8, $29\n\
" STRINGXP(PTR_SUBIU) " $29, $2, 32\n\
" STRINGXP(PTR_S) " $8, (32 - " STRINGXP(SZREG) ")($29)\n\
" STRINGXP(SAVE_GP(16)) "\n\
# Call the function to run the initializers.\n\
jal _dl_init_internal\n\
# Restore the stack pointer for _start.\n\
" STRINGXP(PTR_L) " $29, 32-" STRINGXP(SZREG) "($29)\n\
" STRINGXP(PTR_L) " $29, (32 - " STRINGXP(SZREG) ")($29)\n\
# Pass our finalizer function to the user in $2 as per ELF ABI.\n\
" STRINGXP(PTR_LA) " $2, _dl_fini\n\
# Jump to the user entry point.\n\