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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-10-18 20:25:33 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-10-18 20:25:33 +0000 |
| commit | 0a5314fdb31a27403b6b6d9f2f6d6186a00f4192 (patch) | |
| tree | 9c496bb651fdb58d8204033669e2c0ca434906b9 /llvm | |
| parent | 3604d4441a8c57ae366ac9ad342927626d824a58 (diff) | |
| download | bcm5719-llvm-0a5314fdb31a27403b6b6d9f2f6d6186a00f4192.tar.gz bcm5719-llvm-0a5314fdb31a27403b6b6d9f2f6d6186a00f4192.zip | |
Relocate with .bss instead of using the symbol. Matches gas behavior.
llvm-svn: 116741
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/MC/ELFObjectWriter.cpp | 3 | ||||
| -rw-r--r-- | llvm/test/MC/ELF/relocation-386.s | 25 |
2 files changed, 28 insertions, 0 deletions
diff --git a/llvm/lib/MC/ELFObjectWriter.cpp b/llvm/lib/MC/ELFObjectWriter.cpp index 1e0d535251f..b5943ec717b 100644 --- a/llvm/lib/MC/ELFObjectWriter.cpp +++ b/llvm/lib/MC/ELFObjectWriter.cpp @@ -560,6 +560,9 @@ static bool ShouldRelocOnSymbol(const MCSymbolData &SD, const MCSectionELF &Sec2 = static_cast<const MCSectionELF&>(F.getParent()->getSection()); + if (Section.getKind().isBSS()) + return false; + if (&Sec2 != &Section && (Kind == MCSymbolRefExpr::VK_PLT || Kind == MCSymbolRefExpr::VK_GOTPCREL || diff --git a/llvm/test/MC/ELF/relocation-386.s b/llvm/test/MC/ELF/relocation-386.s index 68dc13268df..a29db542a8e 100644 --- a/llvm/test/MC/ELF/relocation-386.s +++ b/llvm/test/MC/ELF/relocation-386.s @@ -3,10 +3,23 @@ // Test that we produce the correct relocation types and that the relocation // to .Lfoo uses the symbol and not the section. +// Section 3 is bss +// CHECK: # Section 3 +// CHECK-NEXT: (('sh_name', 13) # '.bss' // CHECK: # Symbol 1 // CHECK-NEXT: (('st_name', 5) # '.Lfoo' +// Symbol 6 is section 3 +// CHECK: # Symbol 6 +// CHECK-NEXT: (('st_name', 0) # '' +// CHECK-NEXT: ('st_value', 0) +// CHECK-NEXT: ('st_size', 0) +// CHECK-NEXT: ('st_bind', 0) +// CHECK-NEXT: ('st_type', 3) +// CHECK-NEXT: ('st_other', 0) +// CHECK-NEXT: ('st_shndx', 3) + // CHECK: # Relocation 0 // CHECK-NEXT: (('r_offset', 2) // CHECK-NEXT: ('r_sym', 1) @@ -23,6 +36,13 @@ // CHECK-NEXT: ('r_type', 10) // CHECK-NEXT: ), +// Relocation 3 (bar3@GOTOFF) is done symbol 6 (bss) +// CHECK-NEXT: # Relocation 3 +// CHECK-NEXT: (('r_offset', +// CHECK-NEXT: ('r_sym', 6 +// CHECK-NEXT: ('r_type', +// CHECK-NEXT: ), + .text bar: leal .Lfoo@GOTOFF(%ebx), %eax @@ -31,6 +51,11 @@ bar: bar2: calll bar2@PLT addl $_GLOBAL_OFFSET_TABLE_, %ebx + movb bar3@GOTOFF(%ebx), %al + + .type bar3,@object + .local bar3 + .comm bar3,1,1 .section .rodata.str1.16,"aMS",@progbits,1 .Lfoo: |
