http://sourceware.org/bugzilla/show_bug.cgi?id=13783
Bug #: 13783
Summary: Generate static relocation for ldr pc, var
Product: binutils
Version: 2.22
Status: NEW
Severity: critical
Priority: P2
Component: gas
AssignedTo: unassig...@sourceware.org
ReportedBy: vova7...@mail.ru
Classification: Unclassified
Hello. I do not know how to fix the problem, so I will describe the situation
and its possible solution.
Have a static code:
.section FSWI_PATCH1, "ax", %progbits
.arm
ldr pc, main_jumper
.section FSWI_PATCH2,"ax",%progbits
.arm
main_jumper:
.int swi_handler @ function
FSWI_PATCH1 and FSWI_PATCH2 have static addresses. But I can`t compile it,
give "internal_relocation (type: OFFSET_IMM) not fixed up". IAR compile it
fine. I try to find bug in GAS and found this:
tc-arm.c: 21867:
case BFD_RELOC_ARM_OFFSET_IMM:
if (section->use_rela_p)
{
code = fixp->fx_r_type;
break;
}
I make it like that:
if (section->use_rela_p)
{
code = fixp->fx_r_type;
break;
} else {
code = BFD_RELOC_ARM_LDR_PC_G0;
break;
}
And it correctly compile and generate 4 bytes of opcode like IAR. I do not
know how to correctly fix this error, but the nature of the error, I think you
understand.
Sorry for my english :)
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