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| author | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2017-06-09 11:19:01 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2017-06-12 10:54:55 +0200 |
| commit | 3704e3589d3d187fbf76e688388b1a92fd627c8d (patch) | |
| tree | 7f50f883b900e10de9f83b972910c4b6ea1c7d67 /bfd/elf32-s390.c | |
| parent | fd0219988dada5b4ddb04b691f71c9acdd87b739 (diff) | |
| download | gdb-3704e3589d3d187fbf76e688388b1a92fd627c8d.zip gdb-3704e3589d3d187fbf76e688388b1a92fd627c8d.tar.gz gdb-3704e3589d3d187fbf76e688388b1a92fd627c8d.tar.bz2 | |
S/390: Return with an error for broken tls rewrites
bfd/ChangeLog:
2017-06-12 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* elf32-s390.c (elf_s390_relocate_section): Return false in case
the rewriting fails.
* elf64-s390.c (elf_s390_relocate_section): Likewise.
Diffstat (limited to 'bfd/elf32-s390.c')
| -rw-r--r-- | bfd/elf32-s390.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/bfd/elf32-s390.c b/bfd/elf32-s390.c index fc4992e..c26bdcf 100644 --- a/bfd/elf32-s390.c +++ b/bfd/elf32-s390.c @@ -3231,7 +3231,6 @@ elf_s390_relocate_section (bfd *output_bfd, unsigned int insn, ry; insn = bfd_get_32 (input_bfd, contents + rel->r_offset); - ry = 0; if ((insn & 0xff00f000) == 0x58000000) /* l %rx,0(%ry,0) -> lr %rx,%ry + bcr 0,0 */ ry = (insn & 0x000f0000); @@ -3245,7 +3244,10 @@ elf_s390_relocate_section (bfd *output_bfd, /* l %rx,0(%r12,%ry) -> lr %rx,%ry + bcr 0,0 */ ry = (insn & 0x0000f000) << 4; else - invalid_tls_insn (input_bfd, input_section, rel); + { + invalid_tls_insn (input_bfd, input_section, rel); + return FALSE; + } insn = 0x18000700 | (insn & 0x00f00000) | ry; bfd_put_32 (output_bfd, insn, contents + rel->r_offset); } @@ -3258,7 +3260,10 @@ elf_s390_relocate_section (bfd *output_bfd, if ((insn & 0xff000fff) != 0x4d000000 && (insn & 0xffff0000) != 0xc0e50000 && (insn & 0xff000000) != 0x0d000000) - invalid_tls_insn (input_bfd, input_section, rel); + { + invalid_tls_insn (input_bfd, input_section, rel); + return FALSE; + } if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1)) { if ((insn & 0xff000000) == 0x0d000000) @@ -3287,7 +3292,10 @@ elf_s390_relocate_section (bfd *output_bfd, /* If basr is used in the pic case to invoke _tls_get_offset, something went wrong before. */ if ((insn & 0xff000000) == 0x0d000000) - invalid_tls_insn (input_bfd, input_section, rel); + { + invalid_tls_insn (input_bfd, input_section, rel); + return FALSE; + } if ((insn & 0xff000000) == 0x4d000000) { @@ -3317,7 +3325,10 @@ elf_s390_relocate_section (bfd *output_bfd, if ((insn & 0xff000fff) != 0x4d000000 && (insn & 0xffff0000) != 0xc0e50000 && (insn & 0xff000000) != 0x0d000000) - invalid_tls_insn (input_bfd, input_section, rel); + { + invalid_tls_insn (input_bfd, input_section, rel); + return FALSE; + } if ((insn & 0xff000000) == 0x0d000000) { |