COFF: Merge .idata, .didat and .edata into .rdata by default.
This saves a little space and matches what link.exe does. Tested using the chromium Windows trybots: https://chromium-review.googlesource.com/c/chromium/src/+/1014784 Differential Revision: https://reviews.llvm.org/D45737 llvm-svn: 330223
This commit is contained in:
Peter Collingbourne
parent
7c26663f58
commit
09e0e2e656
|
|
@ -1102,6 +1102,12 @@ void LinkerDriver::link(ArrayRef<const char *> ArgsArr) {
|
|||
for (auto *Arg : Args.filtered(OPT_merge))
|
||||
parseMerge(Arg->getValue());
|
||||
|
||||
// Add default section merging rules after user rules. User rules take
|
||||
// precedence, but we will emit a warning if there is a conflict.
|
||||
parseMerge(".idata=.rdata");
|
||||
parseMerge(".didat=.rdata");
|
||||
parseMerge(".edata=.rdata");
|
||||
|
||||
// Handle /section
|
||||
for (auto *Arg : Args.filtered(OPT_section))
|
||||
parseSection(Arg->getValue());
|
||||
|
|
|
|||
|
|
@ -78,8 +78,8 @@
|
|||
# AFTER: 140001080: 00 20 0e 91 add x0, x0, #904
|
||||
# AFTER: 140001084: 00 04 40 91 add x0, x0, #1, lsl #12
|
||||
# AFTER: 140001088: 00 c4 41 f9 ldr x0, [x0, #904]
|
||||
# AFTER: 14000108c: 10 00 00 d0 adrp x16, #8192
|
||||
# AFTER: 140001090: 10 1e 40 f9 ldr x16, [x16, #56]
|
||||
# AFTER: 14000108c: 10 00 00 b0 adrp x16, #4096
|
||||
# AFTER: 140001090: 10 2a 40 f9 ldr x16, [x16, #80]
|
||||
# AFTER: 140001094: 00 02 1f d6 br x16
|
||||
|
||||
--- !COFF
|
||||
|
|
|
|||
|
|
@ -13,9 +13,9 @@
|
|||
# IMPORT-NEXT: DelayImport {
|
||||
# IMPORT-NEXT: Name: library.dll
|
||||
# IMPORT-NEXT: Attributes: 0x1
|
||||
# IMPORT-NEXT: ModuleHandle: 0x2000
|
||||
# IMPORT-NEXT: ImportAddressTable: 0x2008
|
||||
# IMPORT-NEXT: ImportNameTable: 0x3040
|
||||
# IMPORT-NEXT: ModuleHandle: 0x3000
|
||||
# IMPORT-NEXT: ImportAddressTable: 0x3008
|
||||
# IMPORT-NEXT: ImportNameTable: 0x2040
|
||||
# IMPORT-NEXT: BoundDelayImportTable: 0x0
|
||||
# IMPORT-NEXT: UnloadDelayImportTable: 0x0
|
||||
# IMPORT-NEXT: Import {
|
||||
|
|
@ -43,21 +43,21 @@
|
|||
# BASEREL-NEXT: }
|
||||
# BASEREL-NEXT: Entry {
|
||||
# BASEREL-NEXT: Type: HIGHLOW
|
||||
# BASEREL-NEXT: Address: 0x2008
|
||||
# BASEREL-NEXT: Address: 0x3008
|
||||
# BASEREL-NEXT: }
|
||||
# BASEREL-NEXT: Entry {
|
||||
# BASEREL-NEXT: Type: ABSOLUTE
|
||||
# BASEREL-NEXT: Address: 0x2000
|
||||
# BASEREL-NEXT: Address: 0x3000
|
||||
# BASEREL-NEXT: }
|
||||
# BASEREL-NEXT: ]
|
||||
#
|
||||
# DISASM: 401018: 42 f2 08 0c movw r12, #8200
|
||||
# DISASM: 401018: 43 f2 08 0c movw r12, #12296
|
||||
# DISASM-NEXT: 40101c: c0 f2 40 0c movt r12, #64
|
||||
# DISASM-NEXT: 401020: 2d e9 0f 48 push.w {r0, r1, r2, r3, r11, lr}
|
||||
# DISASM-NEXT: 401024: 0d f2 10 0b addw r11, sp, #16
|
||||
# DISASM-NEXT: 401028: 2d ed 10 0b vpush {d0, d1, d2, d3, d4, d5, d6, d7}
|
||||
# DISASM-NEXT: 40102c: 61 46 mov r1, r12
|
||||
# DISASM-NEXT: 40102e: 43 f2 00 00 movw r0, #12288
|
||||
# DISASM-NEXT: 40102e: 42 f2 00 00 movw r0, #8192
|
||||
# DISASM-NEXT: 401032: c0 f2 40 00 movt r0, #64
|
||||
# DISASM-NEXT: 401036: ff f7 e3 ff bl #-58
|
||||
# DISASM-NEXT: 40103a: 84 46 mov r12, r0
|
||||
|
|
|
|||
|
|
@ -7,9 +7,9 @@
|
|||
IMPORT: DelayImport {
|
||||
IMPORT-NEXT: Name: std64.dll
|
||||
IMPORT-NEXT: Attributes: 0x1
|
||||
IMPORT-NEXT: ModuleHandle: 0x2018
|
||||
IMPORT-NEXT: ImportAddressTable: 0x2020
|
||||
IMPORT-NEXT: ImportNameTable: 0x3040
|
||||
IMPORT-NEXT: ModuleHandle: 0x3018
|
||||
IMPORT-NEXT: ImportAddressTable: 0x3020
|
||||
IMPORT-NEXT: ImportNameTable: 0x2040
|
||||
IMPORT-NEXT: BoundDelayImportTable: 0x0
|
||||
IMPORT-NEXT: UnloadDelayImportTable: 0x0
|
||||
IMPORT-NEXT: Import {
|
||||
|
|
@ -29,13 +29,13 @@ IMPORT-NEXT: }
|
|||
BASEREL: BaseReloc [
|
||||
BASEREL-NEXT: Entry {
|
||||
BASEREL-NEXT: Type: DIR64
|
||||
BASEREL-NEXT: Address: 0x2020
|
||||
BASEREL-NEXT: Address: 0x3020
|
||||
BASEREL-NEXT: }
|
||||
BASEREL-NEXT: Entry {
|
||||
BASEREL-NEXT: Type: DIR64
|
||||
BASEREL-NEXT: Address: 0x2028
|
||||
BASEREL-NEXT: Address: 0x3028
|
||||
BASEREL-NEXT: }
|
||||
BASEREL-NEXT: Entry {
|
||||
BASEREL-NEXT: Type: DIR64
|
||||
BASEREL-NEXT: Address: 0x2030
|
||||
BASEREL-NEXT: Address: 0x3030
|
||||
BASEREL-NEXT: }
|
||||
|
|
|
|||
|
|
@ -15,7 +15,7 @@ IMPORT-NEXT: Name: std32.dll
|
|||
IMPORT-NEXT: Attributes: 0x1
|
||||
IMPORT-NEXT: ModuleHandle: 0x3018
|
||||
IMPORT-NEXT: ImportAddressTable: 0x3020
|
||||
IMPORT-NEXT: ImportNameTable: 0x4040
|
||||
IMPORT-NEXT: ImportNameTable: 0x20DC
|
||||
IMPORT-NEXT: BoundDelayImportTable: 0x0
|
||||
IMPORT-NEXT: UnloadDelayImportTable: 0x0
|
||||
IMPORT-NEXT: Import {
|
||||
|
|
@ -72,7 +72,7 @@ BASEREL-NEXT: }
|
|||
BASEREL-NEXT: ]
|
||||
|
||||
DISASM: 102b: 68 20 30 40 00 pushl $4206624
|
||||
DISASM-NEXT: 1030: 68 00 40 40 00 pushl $4210688
|
||||
DISASM-NEXT: 1030: 68 9c 20 40 00 pushl $4202652
|
||||
DISASM-NEXT: 1035: e8 c6 ff ff ff calll -58 <.text>
|
||||
DISASM-NEXT: 103a: 5a popl %edx
|
||||
DISASM-NEXT: 103b: 59 popl %ecx
|
||||
|
|
@ -80,7 +80,7 @@ DISASM-NEXT: 103c: ff e0 jmpl *%eax
|
|||
DISASM-NEXT: 103e: 51 pushl %ecx
|
||||
DISASM-NEXT: 103f: 52 pushl %edx
|
||||
DISASM-NEXT: 1040: 68 24 30 40 00 pushl $4206628
|
||||
DISASM-NEXT: 1045: 68 00 40 40 00 pushl $4210688
|
||||
DISASM-NEXT: 1045: 68 9c 20 40 00 pushl $4202652
|
||||
DISASM-NEXT: 104a: e8 b1 ff ff ff calll -79 <.text>
|
||||
DISASM-NEXT: 104f: 5a popl %edx
|
||||
DISASM-NEXT: 1050: 59 popl %ecx
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@
|
|||
# CHECK: DLL name: export-armnt.yaml.tmp.dll
|
||||
# CHECK: Ordinal RVA Name
|
||||
# CHECK-NEXT: 0 0
|
||||
# CHECK-NEXT: 1 0x2000 exportdata
|
||||
# CHECK-NEXT: 1 0x3000 exportdata
|
||||
# CHECK-NEXT: 2 0x1005 exportfn1
|
||||
# CHECK-NEXT: 3 0x1009 exportfn2
|
||||
# CHECK-NEXT: 4 0x1009 exportfn3
|
||||
|
|
|
|||
|
|
@ -57,7 +57,7 @@ HEADER-NEXT: NumberOfRvaAndSize: 16
|
|||
HEADER-NEXT: DataDirectory {
|
||||
HEADER-NEXT: ExportTableRVA: 0x0
|
||||
HEADER-NEXT: ExportTableSize: 0x0
|
||||
HEADER-NEXT: ImportTableRVA: 0x3000
|
||||
HEADER-NEXT: ImportTableRVA: 0x2000
|
||||
HEADER-NEXT: ImportTableSize: 0x28
|
||||
HEADER-NEXT: ResourceTableRVA: 0x0
|
||||
HEADER-NEXT: ResourceTableSize: 0x0
|
||||
|
|
@ -79,7 +79,7 @@ HEADER-NEXT: LoadConfigTableRVA: 0x0
|
|||
HEADER-NEXT: LoadConfigTableSize: 0x0
|
||||
HEADER-NEXT: BoundImportRVA: 0x0
|
||||
HEADER-NEXT: BoundImportSize: 0x0
|
||||
HEADER-NEXT: IATRVA: 0x3034
|
||||
HEADER-NEXT: IATRVA: 0x2034
|
||||
HEADER-NEXT: IATSize: 0xC
|
||||
HEADER-NEXT: DelayImportDescriptorRVA: 0x0
|
||||
HEADER-NEXT: DelayImportDescriptorSize: 0x0
|
||||
|
|
@ -114,8 +114,8 @@ IMPORTS: Arch: i386
|
|||
IMPORTS: AddressSize: 32bit
|
||||
IMPORTS: Import {
|
||||
IMPORTS: Name: std32.dll
|
||||
IMPORTS: ImportLookupTableRVA: 0x3028
|
||||
IMPORTS: ImportAddressTableRVA: 0x3034
|
||||
IMPORTS: ImportLookupTableRVA: 0x2028
|
||||
IMPORTS: ImportAddressTableRVA: 0x2034
|
||||
IMPORTS: Symbol: ExitProcess (0)
|
||||
IMPORTS: Symbol: MessageBoxA (1)
|
||||
IMPORTS: }
|
||||
|
|
|
|||
|
|
@ -15,21 +15,21 @@ TEXT: Disassembly of section .text:
|
|||
TEXT-NEXT: .text:
|
||||
TEXT-NEXT: subq $40, %rsp
|
||||
TEXT-NEXT: movq $0, %rcx
|
||||
TEXT-NEXT: leaq 4084(%rip), %rdx
|
||||
TEXT-NEXT: leaq 4071(%rip), %r8
|
||||
TEXT-NEXT: leaq 8180(%rip), %rdx
|
||||
TEXT-NEXT: leaq 8167(%rip), %r8
|
||||
TEXT-NEXT: movl $0, %r9d
|
||||
TEXT-NEXT: callq 60
|
||||
TEXT-NEXT: movl $0, %ecx
|
||||
TEXT-NEXT: callq 18
|
||||
TEXT-NEXT: callq 29
|
||||
TEXT: jmpq *8194(%rip)
|
||||
TEXT: jmpq *8186(%rip)
|
||||
TEXT: jmpq *8178(%rip)
|
||||
TEXT: jmpq *4098(%rip)
|
||||
TEXT: jmpq *4090(%rip)
|
||||
TEXT: jmpq *4082(%rip)
|
||||
|
||||
IMPORT: Import {
|
||||
IMPORT-NEXT: Name: std64.dll
|
||||
IMPORT-NEXT: ImportLookupTableRVA: 0x3028
|
||||
IMPORT-NEXT: ImportAddressTableRVA: 0x3048
|
||||
IMPORT-NEXT: ImportLookupTableRVA: 0x2028
|
||||
IMPORT-NEXT: ImportAddressTableRVA: 0x2048
|
||||
IMPORT-NEXT: Symbol: ExitProcess (0)
|
||||
IMPORT-NEXT: Symbol: (50)
|
||||
IMPORT-NEXT: Symbol: MessageBoxA (1)
|
||||
|
|
|
|||
|
|
@ -19,9 +19,9 @@ CHECK-NEXT: flags = function, addr = 0001:0016
|
|||
CHECK-NEXT: 88 | S_PUB32 [size = 24] `exportfn2`
|
||||
CHECK-NEXT: flags = function, addr = 0001:0032
|
||||
CHECK-NEXT: 32 | S_PUB32 [size = 32] `__imp_exportfn2`
|
||||
CHECK-NEXT: flags = none, addr = 0003:0072
|
||||
CHECK-NEXT: flags = none, addr = 0002:0240
|
||||
CHECK-NEXT: 0 | S_PUB32 [size = 32] `__imp_exportfn1`
|
||||
CHECK-NEXT: flags = none, addr = 0003:0064
|
||||
CHECK-NEXT: flags = none, addr = 0002:0232
|
||||
|
||||
CHECK: Section Contributions
|
||||
CHECK-NEXT: ============================================================
|
||||
|
|
|
|||
|
|
@ -56,7 +56,7 @@
|
|||
# CHECK-NEXT: Symbol {
|
||||
# CHECK-NEXT: Name: message
|
||||
# CHECK-NEXT: Value: 6
|
||||
# CHECK-NEXT: Section: .text2 (5)
|
||||
# CHECK-NEXT: Section: .text2
|
||||
# CHECK-NEXT: BaseType: Null (0x0)
|
||||
# CHECK-NEXT: ComplexType: Null (0x0)
|
||||
# CHECK-NEXT: StorageClass: Static (0x3)
|
||||
|
|
@ -74,7 +74,7 @@
|
|||
# CHECK-NEXT: Symbol {
|
||||
# CHECK-NEXT: Name: caption
|
||||
# CHECK-NEXT: Value: 0
|
||||
# CHECK-NEXT: Section: .text2 (5)
|
||||
# CHECK-NEXT: Section: .text2
|
||||
# CHECK-NEXT: BaseType: Null (0x0)
|
||||
# CHECK-NEXT: ComplexType: Null (0x0)
|
||||
# CHECK-NEXT: StorageClass: Static (0x3)
|
||||
|
|
|
|||
Loading…
Reference in New Issue