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Improve the --expand-relocs handling of MachO.

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In a relocation target can take 3 basic forms

* A r_value in scattered relocations.
* A symbol in external relocations.
* A section is non-external relocations.

Have the dump reflect that. With this change we go from

CHECK-NEXT:       Extern: 0
CHECK-NEXT:       Type: X86_64_RELOC_SUBTRACTOR (5)
CHECK-NEXT:       Symbol: 0x2
CHECK-NEXT:       Scattered: 0

To just

// CHECK-NEXT:       Type: X86_64_RELOC_SUBTRACTOR (5)
// CHECK-NEXT:       Section: __data (2)

Since the relocation is with a section, we print the seciton name and don't
need to say that it is not scattered or external.

Someone motivated can add further special cases for things like
ARM64_RELOC_ADDEND and ARM_RELOC_PAIR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240073 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2015-06-18 22:38:20 +00:00
parent d30c2356b0
commit 28b186f3cc
17 changed files with 127 additions and 459 deletions
Download Patch File Download Diff File Expand all files Collapse all files

110
test/tools/llvm-readobj/sections-ext.test
View File

@@ -302,46 +302,36 @@ MACHO-PPC-NEXT: Relocation {
MACHO-PPC-NEXT: Offset: 0x24
MACHO-PPC-NEXT: PCRel: 0
MACHO-PPC-NEXT: Length: 2
MACHO-PPC-NEXT: Extern: N/A
MACHO-PPC-NEXT: Type: PPC_RELOC_LO16_SECTDIFF (11)
MACHO-PPC-NEXT: Symbol: 0x64
MACHO-PPC-NEXT: Scattered: 1
MACHO-PPC-NEXT: Value: 0x64
MACHO-PPC-NEXT: }
MACHO-PPC-NEXT: Relocation {
MACHO-PPC-NEXT: Offset: 0x0
MACHO-PPC-NEXT: PCRel: 0
MACHO-PPC-NEXT: Length: 2
MACHO-PPC-NEXT: Extern: N/A
MACHO-PPC-NEXT: Type: PPC_RELOC_PAIR (1)
MACHO-PPC-NEXT: Symbol: 0xC
MACHO-PPC-NEXT: Scattered: 1
MACHO-PPC-NEXT: Value: 0xC
MACHO-PPC-NEXT: }
MACHO-PPC-NEXT: Relocation {
MACHO-PPC-NEXT: Offset: 0x1C
MACHO-PPC-NEXT: PCRel: 0
MACHO-PPC-NEXT: Length: 2
MACHO-PPC-NEXT: Extern: N/A
MACHO-PPC-NEXT: Type: PPC_RELOC_HA16_SECTDIFF (12)
MACHO-PPC-NEXT: Symbol: 0x64
MACHO-PPC-NEXT: Scattered: 1
MACHO-PPC-NEXT: Value: 0x64
MACHO-PPC-NEXT: }
MACHO-PPC-NEXT: Relocation {
MACHO-PPC-NEXT: Offset: 0x58
MACHO-PPC-NEXT: PCRel: 0
MACHO-PPC-NEXT: Length: 2
MACHO-PPC-NEXT: Extern: N/A
MACHO-PPC-NEXT: Type: PPC_RELOC_PAIR (1)
MACHO-PPC-NEXT: Symbol: 0xC
MACHO-PPC-NEXT: Scattered: 1
MACHO-PPC-NEXT: Value: 0xC
MACHO-PPC-NEXT: }
MACHO-PPC-NEXT: Relocation {
MACHO-PPC-NEXT: Offset: 0x18
MACHO-PPC-NEXT: PCRel: 1
MACHO-PPC-NEXT: Length: 2
MACHO-PPC-NEXT: Extern: 0
MACHO-PPC-NEXT: Type: PPC_RELOC_BR24 (3)
MACHO-PPC-NEXT: Symbol: 0x2
MACHO-PPC-NEXT: Scattered: 0
MACHO-PPC-NEXT: Section: __picsymbolstub1 (2)
MACHO-PPC-NEXT: }
MACHO-PPC-NEXT: ]
MACHO-PPC-NEXT: Symbols [
@@ -385,37 +375,29 @@ MACHO-PPC-NEXT: Relocation {
MACHO-PPC-NEXT: Offset: 0x14
MACHO-PPC-NEXT: PCRel: 0
MACHO-PPC-NEXT: Length: 2
MACHO-PPC-NEXT: Extern: N/A
MACHO-PPC-NEXT: Type: PPC_RELOC_LO16_SECTDIFF (11)
MACHO-PPC-NEXT: Symbol: 0x68
MACHO-PPC-NEXT: Scattered: 1
MACHO-PPC-NEXT: Value: 0x68
MACHO-PPC-NEXT: }
MACHO-PPC-NEXT: Relocation {
MACHO-PPC-NEXT: Offset: 0x0
MACHO-PPC-NEXT: PCRel: 0
MACHO-PPC-NEXT: Length: 2
MACHO-PPC-NEXT: Extern: N/A
MACHO-PPC-NEXT: Type: PPC_RELOC_PAIR (1)
MACHO-PPC-NEXT: Symbol: 0x48
MACHO-PPC-NEXT: Scattered: 1
MACHO-PPC-NEXT: Value: 0x48
MACHO-PPC-NEXT: }
MACHO-PPC-NEXT: Relocation {
MACHO-PPC-NEXT: Offset: 0xC
MACHO-PPC-NEXT: PCRel: 0
MACHO-PPC-NEXT: Length: 2
MACHO-PPC-NEXT: Extern: N/A
MACHO-PPC-NEXT: Type: PPC_RELOC_HA16_SECTDIFF (12)
MACHO-PPC-NEXT: Symbol: 0x68
MACHO-PPC-NEXT: Scattered: 1
MACHO-PPC-NEXT: Value: 0x68
MACHO-PPC-NEXT: }
MACHO-PPC-NEXT: Relocation {
MACHO-PPC-NEXT: Offset: 0x20
MACHO-PPC-NEXT: PCRel: 0
MACHO-PPC-NEXT: Length: 2
MACHO-PPC-NEXT: Extern: N/A
MACHO-PPC-NEXT: Type: PPC_RELOC_PAIR (1)
MACHO-PPC-NEXT: Symbol: 0x48
MACHO-PPC-NEXT: Scattered: 1
MACHO-PPC-NEXT: Value: 0x48
MACHO-PPC-NEXT: }
MACHO-PPC-NEXT: ]
MACHO-PPC-NEXT: Symbols [
@@ -501,10 +483,8 @@ MACHO-PPC-NEXT: Relocation {
MACHO-PPC-NEXT: Offset: 0x0
MACHO-PPC-NEXT: PCRel: 0
MACHO-PPC-NEXT: Length: 2
MACHO-PPC-NEXT: Extern: 1
MACHO-PPC-NEXT: Type: PPC_RELOC_VANILLA (0)
MACHO-PPC-NEXT: Symbol: dyld_stub_binding_helper
MACHO-PPC-NEXT: Scattered: 0
MACHO-PPC-NEXT: Symbol: dyld_stub_binding_helper (5)
MACHO-PPC-NEXT: }
MACHO-PPC-NEXT: ]
MACHO-PPC-NEXT: Symbols [
@@ -539,46 +519,36 @@ MACHO-PPC64-NEXT: Relocation {
MACHO-PPC64-NEXT: Offset: 0x24
MACHO-PPC64-NEXT: PCRel: 0
MACHO-PPC64-NEXT: Length: 2
MACHO-PPC64-NEXT: Extern: N/A
MACHO-PPC64-NEXT: Type: (14)
MACHO-PPC64-NEXT: Symbol: 0x64
MACHO-PPC64-NEXT: Scattered: 1
MACHO-PPC64-NEXT: Value: 0x64
MACHO-PPC64-NEXT: }
MACHO-PPC64-NEXT: Relocation {
MACHO-PPC64-NEXT: Offset: 0x0
MACHO-PPC64-NEXT: PCRel: 0
MACHO-PPC64-NEXT: Length: 2
MACHO-PPC64-NEXT: Extern: N/A
MACHO-PPC64-NEXT: Type: (1)
MACHO-PPC64-NEXT: Symbol: 0xC
MACHO-PPC64-NEXT: Scattered: 1
MACHO-PPC64-NEXT: Value: 0xC
MACHO-PPC64-NEXT: }
MACHO-PPC64-NEXT: Relocation {
MACHO-PPC64-NEXT: Offset: 0x1C
MACHO-PPC64-NEXT: PCRel: 0
MACHO-PPC64-NEXT: Length: 2
MACHO-PPC64-NEXT: Extern: N/A
MACHO-PPC64-NEXT: Type: (12)
MACHO-PPC64-NEXT: Symbol: 0x64
MACHO-PPC64-NEXT: Scattered: 1
MACHO-PPC64-NEXT: Value: 0x64
MACHO-PPC64-NEXT: }
MACHO-PPC64-NEXT: Relocation {
MACHO-PPC64-NEXT: Offset: 0x58
MACHO-PPC64-NEXT: PCRel: 0
MACHO-PPC64-NEXT: Length: 2
MACHO-PPC64-NEXT: Extern: N/A
MACHO-PPC64-NEXT: Type: (1)
MACHO-PPC64-NEXT: Symbol: 0xC
MACHO-PPC64-NEXT: Scattered: 1
MACHO-PPC64-NEXT: Value: 0xC
MACHO-PPC64-NEXT: }
MACHO-PPC64-NEXT: Relocation {
MACHO-PPC64-NEXT: Offset: 0x18
MACHO-PPC64-NEXT: PCRel: 1
MACHO-PPC64-NEXT: Length: 2
MACHO-PPC64-NEXT: Extern: 0
MACHO-PPC64-NEXT: Type: (3)
MACHO-PPC64-NEXT: Symbol: 0x2
MACHO-PPC64-NEXT: Scattered: 0
MACHO-PPC64-NEXT: Section: __picsymbolstub1 (2)
MACHO-PPC64-NEXT: }
MACHO-PPC64-NEXT: ]
MACHO-PPC64-NEXT: Symbols [
@@ -622,37 +592,29 @@ MACHO-PPC64-NEXT: Relocation {
MACHO-PPC64-NEXT: Offset: 0x14
MACHO-PPC64-NEXT: PCRel: 0
MACHO-PPC64-NEXT: Length: 2
MACHO-PPC64-NEXT: Extern: N/A
MACHO-PPC64-NEXT: Type: (14)
MACHO-PPC64-NEXT: Symbol: 0x6C
MACHO-PPC64-NEXT: Scattered: 1
MACHO-PPC64-NEXT: Value: 0x6C
MACHO-PPC64-NEXT: }
MACHO-PPC64-NEXT: Relocation {
MACHO-PPC64-NEXT: Offset: 0x0
MACHO-PPC64-NEXT: PCRel: 0
MACHO-PPC64-NEXT: Length: 2
MACHO-PPC64-NEXT: Extern: N/A
MACHO-PPC64-NEXT: Type: (1)
MACHO-PPC64-NEXT: Symbol: 0x48
MACHO-PPC64-NEXT: Scattered: 1
MACHO-PPC64-NEXT: Value: 0x48
MACHO-PPC64-NEXT: }
MACHO-PPC64-NEXT: Relocation {
MACHO-PPC64-NEXT: Offset: 0xC
MACHO-PPC64-NEXT: PCRel: 0
MACHO-PPC64-NEXT: Length: 2
MACHO-PPC64-NEXT: Extern: N/A
MACHO-PPC64-NEXT: Type: (12)
MACHO-PPC64-NEXT: Symbol: 0x6C
MACHO-PPC64-NEXT: Scattered: 1
MACHO-PPC64-NEXT: Value: 0x6C
MACHO-PPC64-NEXT: }
MACHO-PPC64-NEXT: Relocation {
MACHO-PPC64-NEXT: Offset: 0x24
MACHO-PPC64-NEXT: PCRel: 0
MACHO-PPC64-NEXT: Length: 2
MACHO-PPC64-NEXT: Extern: N/A
MACHO-PPC64-NEXT: Type: (1)
MACHO-PPC64-NEXT: Symbol: 0x48
MACHO-PPC64-NEXT: Scattered: 1
MACHO-PPC64-NEXT: Value: 0x48
MACHO-PPC64-NEXT: }
MACHO-PPC64-NEXT: ]
MACHO-PPC64-NEXT: Symbols [
@@ -738,10 +700,8 @@ MACHO-PPC64-NEXT: Relocation {
MACHO-PPC64-NEXT: Offset: 0x0
MACHO-PPC64-NEXT: PCRel: 0
MACHO-PPC64-NEXT: Length: 3
MACHO-PPC64-NEXT: Extern: 1
MACHO-PPC64-NEXT: Type: (0)
MACHO-PPC64-NEXT: Symbol: dyld_stub_binding_helper
MACHO-PPC64-NEXT: Scattered: 0
MACHO-PPC64-NEXT: Symbol: dyld_stub_binding_helper (5)
MACHO-PPC64-NEXT: }
MACHO-PPC64-NEXT: ]
MACHO-PPC64-NEXT: Symbols [
@@ -775,82 +735,64 @@ MACHO-ARM-NEXT: Relocation {
MACHO-ARM-NEXT: Offset: 0x38
MACHO-ARM-NEXT: PCRel: 0
MACHO-ARM-NEXT: Length: 2
MACHO-ARM-NEXT: Extern: N/A
MACHO-ARM-NEXT: Type: ARM_RELOC_SECTDIFF (2)
MACHO-ARM-NEXT: Symbol: 0x40
MACHO-ARM-NEXT: Scattered: 1
MACHO-ARM-NEXT: Value: 0x40
MACHO-ARM-NEXT: }
MACHO-ARM-NEXT: Relocation {
MACHO-ARM-NEXT: Offset: 0x0
MACHO-ARM-NEXT: PCRel: 0
MACHO-ARM-NEXT: Length: 2
MACHO-ARM-NEXT: Extern: N/A
MACHO-ARM-NEXT: Type: ARM_RELOC_PAIR (1)
MACHO-ARM-NEXT: Symbol: 0x28
MACHO-ARM-NEXT: Scattered: 1
MACHO-ARM-NEXT: Value: 0x28
MACHO-ARM-NEXT: }
MACHO-ARM-NEXT: Relocation {
MACHO-ARM-NEXT: Offset: 0x20
MACHO-ARM-NEXT: PCRel: 1
MACHO-ARM-NEXT: Length: 2
MACHO-ARM-NEXT: Extern: 1
MACHO-ARM-NEXT: Type: ARM_RELOC_BR24 (5)
MACHO-ARM-NEXT: Symbol: _g
MACHO-ARM-NEXT: Scattered: 0
MACHO-ARM-NEXT: }
MACHO-ARM-NEXT: Relocation {
MACHO-ARM-NEXT: Offset: 0x1C
MACHO-ARM-NEXT: PCRel: 0
MACHO-ARM-NEXT: Length: 1
MACHO-ARM-NEXT: Extern: 1
MACHO-ARM-NEXT: Type: ARM_RELOC_HALF (8)
MACHO-ARM-NEXT: Symbol: _g
MACHO-ARM-NEXT: Scattered: 0
MACHO-ARM-NEXT: }
MACHO-ARM-NEXT: Relocation {
MACHO-ARM-NEXT: Offset: 0x0
MACHO-ARM-NEXT: PCRel: 0
MACHO-ARM-NEXT: Length: 1
MACHO-ARM-NEXT: Extern: 0
MACHO-ARM-NEXT: Type: ARM_RELOC_PAIR (1)
MACHO-ARM-NEXT: Symbol: 0xFFFFFF
MACHO-ARM-NEXT: Scattered: 0
MACHO-ARM-NEXT: Section: -
MACHO-ARM-NEXT: }
MACHO-ARM-NEXT: Relocation {
MACHO-ARM-NEXT: Offset: 0x18
MACHO-ARM-NEXT: PCRel: 0
MACHO-ARM-NEXT: Length: 0
MACHO-ARM-NEXT: Extern: 1
MACHO-ARM-NEXT: Type: ARM_RELOC_HALF (8)
MACHO-ARM-NEXT: Symbol: _g
MACHO-ARM-NEXT: Scattered: 0
MACHO-ARM-NEXT: }
MACHO-ARM-NEXT: Relocation {
MACHO-ARM-NEXT: Offset: 0x0
MACHO-ARM-NEXT: PCRel: 0
MACHO-ARM-NEXT: Length: 0
MACHO-ARM-NEXT: Extern: 0
MACHO-ARM-NEXT: Type: ARM_RELOC_PAIR (1)
MACHO-ARM-NEXT: Symbol: 0xFFFFFF
MACHO-ARM-NEXT: Scattered: 0
MACHO-ARM-NEXT: Section: -
MACHO-ARM-NEXT: }
MACHO-ARM-NEXT: Relocation {
MACHO-ARM-NEXT: Offset: 0xC
MACHO-ARM-NEXT: PCRel: 0
MACHO-ARM-NEXT: Length: 2
MACHO-ARM-NEXT: Extern: N/A
MACHO-ARM-NEXT: Type: ARM_RELOC_SECTDIFF (2)
MACHO-ARM-NEXT: Symbol: 0x44
MACHO-ARM-NEXT: Scattered: 1
MACHO-ARM-NEXT: Value: 0x44
MACHO-ARM-NEXT: }
MACHO-ARM-NEXT: Relocation {
MACHO-ARM-NEXT: Offset: 0x0
MACHO-ARM-NEXT: PCRel: 0
MACHO-ARM-NEXT: Length: 2
MACHO-ARM-NEXT: Extern: N/A
MACHO-ARM-NEXT: Type: ARM_RELOC_PAIR (1)
MACHO-ARM-NEXT: Symbol: 0x4
MACHO-ARM-NEXT: Scattered: 1
MACHO-ARM-NEXT: Value: 0x4
MACHO-ARM-NEXT: }
MACHO-ARM-NEXT: ]
MACHO-ARM-NEXT: Symbols [