Given an assembly file like:
*** asm file ***
.global foo
lis 3, f...@h+4
****************
When I assemble and run objdump I get:
*** as/objdump output ***
$ as -o test.o test.s && objdump -Dr test.o
test.o: file format elf32-powerpc
Disassembly of section .text:
00000000 <l1>:
0: 3c 60 00 00 lis r3,0
2: R_PPC_ADDR16_HI foo+0x8
*************************
It appears that the relocation is being applied to the result of '<address of
foo> + 0x8'. My understanding
is that the immediate field of the 'lis' should have a value of 0x8 and the
relocation should only apply to
'foo'. The output I expect would look like:
*** expected as/objdump output ***
$ as -o test.o test.s && objdump -Dr test.o
test.o: file format elf32-powerpc
Disassembly of section .text:
00000000 <l1>:
0: 3c 60 00 08 lis r3,8
2: R_PPC_ADDR16_HI foo
**********************************
I'm using ubuntu jaunty ppc. My binutils package is version '2.19.1-0ubuntu3'.
Is this a problem with my
understanding of how arguments in ppc assembly should be parsed, or in the way
gas does assembly?
--
Summary: Relocations for ppc assembler apply to entire field
argument
Product: binutils
Version: 2.19
Status: NEW
Severity: normal
Priority: P2
Component: gas
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: cconstantine at arxandefense dot com
CC: bug-binutils at gnu dot org
GCC host triplet: ppc-unknown-linux-gnu
GCC target triplet: ppc-unknown-linux-gnu
http://sourceware.org/bugzilla/show_bug.cgi?id=10853
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