https://sourceware.org/bugzilla/show_bug.cgi?id=21168
Bug ID: 21168
Summary: ld should allow "lea foo@GOT, %ecx"
Product: binutils
Version: 2.29 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
Target: i386-elf
[hjl@gnu-6 xxxx]$ cat x.S
.text
.globl bar
.type bar, @function
bar:
call __x86.get_pc_thunk.ax
addl $_GLOBAL_OFFSET_TABLE_, %eax
lea foo@GOT, %ecx
mov (%eax,%ecx,1), %eax
ret
.section
.text.__x86.get_pc_thunk.ax,"axG",@progbits,__x86.get_pc_thunk.ax,comdat
.globl __x86.get_pc_thunk.ax
.hidden __x86.get_pc_thunk.ax
.type __x86.get_pc_thunk.ax, @function
__x86.get_pc_thunk.ax:
movl (%esp), %eax
ret
.section .note.GNU-stack,"",@progbits
[hjl@gnu-6 xxxx]$ make libx.so
gcc -B./ -m32 -c -o x.o x.S
./ld -melf_i386 -shared -o libx.so x.o
./ld: x.o: direct GOT relocation R_386_GOT32 against `foo' without base
register can not be used when making a shared object
./ld: final link failed: Bad value
Makefile:28: recipe for target 'libx.so' failed
make: *** [libx.so] Error 1
[hjl@gnu-6 xxxx]$
Here "lea foo@GOT, %ecx" is OK.
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