Following a recent change for handling --emit-relocs switch the Linker started
producing static relocations for code generated by the linker itself.
When generating R_PPC64_TOC16_DS relocations, which affects the low-order 16-bit
of the instruction, the linker places them instead on the instruction boundary.
In the example below the symbol-less relocations are the linker-generated ones
and are placed improperly on instruction boundaries (10000a9c, 10000aa0, ...),
while those with attached symbols are compiler-generated and are correctly
placed on the 2-low-order bytes of the respective instruction (10000ada,
10000adc)
0000000010000a9c 000000000000003f R_PPC64_TOC16_DS
000000001001dab8
0000000010000aa0 000000000000003f R_PPC64_TOC16_DS
000000001001dab0
0000000010000aac 000000000000003f R_PPC64_TOC16_DS
000000001001da00
0000000010000ab4 000000000000003f R_PPC64_TOC16_DS
000000001001da10
0000000010000ab8 000000000000003f R_PPC64_TOC16_DS
000000001001da08
0000000010000ada 000000180000003f R_PPC64_TOC16_DS 000000001001d870 .got
+ 8
0000000010000adc 0000006d0000000a R_PPC64_REL24 0000000000000000
__libc_start_main@@GLIBC_2.3 + 0
0000000010000b0a 000000180000003f R_PPC64_TOC16_DS 000000001001d870 .got
+ 10
0000000010000b14 0000004e0000000a R_PPC64_REL24 0000000000000000
__gmon_start__ + 0
0000000010000b2e 000000180000003f R_PPC64_TOC16_DS 000000001001d870 .got
+ 18
--
Summary: Linker-generated TOC16_DS relocations are misplaced
Product: binutils
Version: 2.18
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: yaari at il dot ibm dot com
CC: bug-binutils at gnu dot org
GCC target triplet: ppc64
http://sourceware.org/bugzilla/show_bug.cgi?id=6590
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