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Refactor

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This commit is contained in:
Rui Ueyama 2021-08-31 17:43:38 +09:00
parent 2a2da35c25
commit 6a33e7eaa1
1 changed files with 20 additions and 11 deletions
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31
arch-x86-64.cc
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@ -589,22 +589,26 @@ void InputSection<X86_64>::scan_relocations(Context<X86_64> &ctx) {
case R_X86_64_GOTPCREL64:
sym.flags |= NEEDS_GOT;
break;
case R_X86_64_GOTPCRELX:
case R_X86_64_GOTPCRELX: {
if (rel.r_addend != -4)
Fatal(ctx) << *this << ": bad r_addend for R_X86_64_GOTPCRELX";
if (!ctx.arg.relax || sym.is_imported || !sym.is_relative(ctx) ||
!relax_gotpcrelx(loc - 2))
bool do_relax = ctx.arg.relax && !sym.is_imported &&
sym.is_relative(ctx) && relax_gotpcrelx(loc - 2);
if (!do_relax)
sym.flags |= NEEDS_GOT;
break;
case R_X86_64_REX_GOTPCRELX:
}
case R_X86_64_REX_GOTPCRELX: {
if (rel.r_addend != -4)
Fatal(ctx) << *this << ": bad r_addend for R_X86_64_REX_GOTPCRELX";
if (!ctx.arg.relax || sym.is_imported || !sym.is_relative(ctx) ||
!relax_rex_gotpcrelx(loc - 3))
bool do_relax = ctx.arg.relax && !sym.is_imported &&
sym.is_relative(ctx) && relax_rex_gotpcrelx(loc - 3);
if (!do_relax)
sym.flags |= NEEDS_GOT;
break;
}
case R_X86_64_PLT32:
if (sym.is_imported)
sym.flags |= NEEDS_PLT;
@ -636,20 +640,25 @@ void InputSection<X86_64>::scan_relocations(Context<X86_64> &ctx) {
if (sym.is_imported)
Fatal(ctx) << *this << ": DTPOFF reloc refers external symbol " << sym;
break;
case R_X86_64_GOTTPOFF:
case R_X86_64_GOTTPOFF: {
ctx.has_gottp_rel = true;
if (!ctx.arg.relax || ctx.arg.shared || sym.is_imported ||
!relax_gottpoff(loc - 3))
bool do_relax = ctx.arg.relax && !ctx.arg.shared &&
!sym.is_imported && relax_gottpoff(loc - 3);
if (!do_relax)
sym.flags |= NEEDS_GOTTP;
break;
case R_X86_64_GOTPC32_TLSDESC:
}
case R_X86_64_GOTPC32_TLSDESC: {
if (memcmp(loc - 3, "\x48\x8d\x05", 3))
Fatal(ctx) << *this << ": GOTPC32_TLSDESC relocation is used"
<< " against an invalid code sequence";
if (!ctx.relax_tlsdesc || sym.is_imported)
bool do_relax = ctx.relax_tlsdesc && !sym.is_imported;
if (!do_relax)
sym.flags |= NEEDS_TLSDESC;
break;
}
case R_X86_64_TPOFF32:
case R_X86_64_TPOFF64:
case R_X86_64_SIZE32: