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| author | Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | 2010-09-29 11:31:42 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2010-09-29 11:31:42 -0400 |
| commit | 87a97932bdd8a62a5eede11fdf031efd38da33ac (patch) | |
| tree | af2f6f7b96ca2bf7c05f1c7a9c6149d482d94092 | |
| parent | 724da3d7f42295c240f69bf874886efb9ad98510 (diff) | |
| download | glibc-87a97932bdd8a62a5eede11fdf031efd38da33ac.tar glibc-87a97932bdd8a62a5eede11fdf031efd38da33ac.tar.gz glibc-87a97932bdd8a62a5eede11fdf031efd38da33ac.tar.bz2 glibc-87a97932bdd8a62a5eede11fdf031efd38da33ac.zip | |
S/390: Fix highgprs check in startup code
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/s390/s390-32/elf/start.S | 14 |
2 files changed, 11 insertions, 9 deletions
@@ -1,3 +1,9 @@ +2010-09-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + [BZ #12067] + * sysdeps/s390/s390-32/elf/start.S: Fix address calculation when + trying to locate the ELF header. + 2010-09-27 Andreas Schwab <schwab@redhat.com> [BZ #11611] diff --git a/sysdeps/s390/s390-32/elf/start.S b/sysdeps/s390/s390-32/elf/start.S index 066f7f0aa1..8e48abbcc3 100644 --- a/sysdeps/s390/s390-32/elf/start.S +++ b/sysdeps/s390/s390-32/elf/start.S @@ -108,7 +108,7 @@ _start: jne .L20 cl %r8,4(%r4) /* p_offset == 0? */ jne .L20 - l %r9,8(%r4) /* r9 = p_vaddr <- ELF header address */ + l %r9,8(%r4) /* r9 = PT_LOAD.p_vaddr <- ELF header address */ j .L24 .L20: alr %r4,%r0 /* r4 += AT_PHENT value */ brct %r12,.L19 @@ -124,16 +124,12 @@ _start: .L22: alr %r4,%r0 /* r4 += AT_PHENT value */ brct %r12,.L23 - ltr %r9,%r9 /* Load address == 0? */ - jz .L14 /* No checking for PIE without PT_PHDR. */ - j .L21 + j .L14 /* No PT_PHDR found - skip checking. */ -.L25: clr %r3,%r11 /* PT_PHDR p_vaddr == AT_PHDR? */ - je .L21 - lr %r9,%r11 - slr %r9,%r3 /* elf_header_addr = AT_PHDR - PT_PHDR.p_vaddr */ +.L25: slr %r11,%r3 /* AT_PHDR - PT_PHDR.p_vaddr (relocation offset)*/ + alr %r9,%r11 /* PT_LOAD.p_vaddr += relocation offset */ -.L21: l %r5,36(%r9) /* Load the e_flags field. */ + l %r5,36(%r9) /* Load the e_flags field. */ tml %r5,1 jz .L14 /* Binary does not require highgprs facility. */ |