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authorH.J. Lu <hjl.tools@gmail.com>2021-07-08 13:49:17 -0700
committerH.J. Lu <hjl.tools@gmail.com>2021-07-08 13:57:52 -0700
commit661b504df9bfb8d7c5d669091720e1dc0079c05e (patch)
treecfa4e84297a9a3156071b6ab3970989f0af2c292 /ld
parenta8dde0a2114f87bcdc19946aeab26788f5eae1b7 (diff)
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x86-64: Disallow PC reloc against weak undefined symbols in PIE
Disallow PC relocations against weak undefined symbols in PIE since they can lead to non-zero address at run-time. bfd/ PR ld/21782 * elf64-x86-64.c (elf_x86_64_relocate_section): Disallow PC relocations against weak undefined symbols in PIE. ld/ PR ld/21782 * testsuite/ld-x86-64/pie3.d: Expect linker error.
Diffstat (limited to 'ld')
-rw-r--r--ld/testsuite/ld-x86-64/pie3.d11
1 files changed, 1 insertions, 10 deletions
diff --git a/ld/testsuite/ld-x86-64/pie3.d b/ld/testsuite/ld-x86-64/pie3.d
index b943837..a20029c 100644
--- a/ld/testsuite/ld-x86-64/pie3.d
+++ b/ld/testsuite/ld-x86-64/pie3.d
@@ -1,12 +1,3 @@
#as: --64
#ld: -pie -melf_x86_64 --hash-style=sysv -z max-page-size=0x200000 -z noseparate-code
-#objdump: -dw
-
-.*: +file format .*
-
-
-Disassembly of section .text:
-
-0+191 <_start>:
- +191: 48 8d 05 68 fe ff ff lea -0x198\(%rip\),%rax # 0 <_start-0x191>
-#pass
+#error: .*relocation R_X86_64_PC32 against undefined symbol `foo' can not be used when making a PIE object; recompile with -fPIE