128 lines
5.1 KiB
ArmAsm
128 lines
5.1 KiB
ArmAsm
// REQUIRES: x86
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// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
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// RUN: ld.lld %t.o -o %t
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// RUN: llvm-readobj -file-headers -s -section-data -program-headers -symbols %t | FileCheck %s --check-prefix=NOHDR
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// RUN: ld.lld --eh-frame-hdr %t.o -o %t
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// RUN: llvm-readobj -file-headers -s -section-data -program-headers -symbols %t | FileCheck %s --check-prefix=HDR
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// RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=HDRDISASM
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.section foo,"ax",@progbits
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.cfi_startproc
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nop
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.cfi_endproc
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.section bar,"ax",@progbits
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.cfi_startproc
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nop
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.cfi_endproc
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.section dah,"ax",@progbits
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.cfi_startproc
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nop
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.cfi_endproc
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.text
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.globl _start
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_start:
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// NOHDR: Sections [
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// NOHDR-NOT: Name: .eh_frame_hdr
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// NOHDR: ProgramHeaders [
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// NOHDR-NOT: PT_GNU_EH_FRAME
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//HDRDISASM: Disassembly of section foo:
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//HDRDISASM-NEXT: foo:
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//HDRDISASM-NEXT: 11000: 90 nop
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//HDRDISASM-NEXT: Disassembly of section bar:
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//HDRDISASM-NEXT: bar:
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//HDRDISASM-NEXT: 11001: 90 nop
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//HDRDISASM-NEXT: Disassembly of section dah:
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//HDRDISASM-NEXT: dah:
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//HDRDISASM-NEXT: 11002: 90 nop
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// HDR: Sections [
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// HDR: Section {
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// HDR: Index: 1
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// HDR-NEXT: Name: .eh_frame
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// HDR-NEXT: Type: SHT_PROGBITS
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// HDR-NEXT: Flags [
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// HDR-NEXT: SHF_ALLOC
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// HDR-NEXT: ]
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// HDR-NEXT: Address: 0x10158
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// HDR-NEXT: Offset: 0x158
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// HDR-NEXT: Size: 96
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// HDR-NEXT: Link: 0
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// HDR-NEXT: Info: 0
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// HDR-NEXT: AddressAlignment: 8
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// HDR-NEXT: EntrySize: 0
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// HDR-NEXT: SectionData (
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// HDR-NEXT: 0000: 14000000 00000000 017A5200 01781001 |
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// HDR-NEXT: 0010: 1B0C0708 90010000 14000000 1C000000 |
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// HDR-NEXT: 0020: 880E0000 01000000 00000000 00000000 |
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// HDR-NEXT: 0030: 14000000 34000000 710E0000 01000000 |
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// HDR-NEXT: 0040: 00000000 00000000 14000000 4C000000 |
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// HDR-NEXT: 0050: 5A0E0000 01000000 00000000 00000000 |
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// CIE: 14000000 00000000 017A5200 01781001 1B0C0708 90010000
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// FDE(1): 14000000 1C000000 880E0000 01000000 00000000 00000000
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// address of data (starts with 0x880E0000) = 0x10158 + 0x0020 = 0x10178
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// The starting address to which this FDE applies = 0xE88 + 0x10178 = 0x11000
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// The number of bytes after the start address to which this FDE applies = 0x01000000 = 1
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// FDE(2): 14000000 34000000 710E0000 01000000 00000000 00000000
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// address of data (starts with 0x710E0000) = 0x10158 + 0x0038 = 0x10190
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// The starting address to which this FDE applies = 0xE71 + 0x10190 = 0x11001
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// The number of bytes after the start address to which this FDE applies = 0x01000000 = 1
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// FDE(3): 14000000 4C000000 5A0E0000 01000000 00000000 00000000
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// address of data (starts with 0x5A0E0000) = 0x10158 + 0x0050 = 0x101A8
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// The starting address to which this FDE applies = 0xE5A + 0x101A8 = 0x11002
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// The number of bytes after the start address to which this FDE applies = 0x01000000 = 1
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// HDR-NEXT: )
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// HDR-NEXT: }
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// HDR-NEXT: Section {
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// HDR-NEXT: Index: 2
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// HDR-NEXT: Name: .eh_frame_hdr
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// HDR-NEXT: Type: SHT_PROGBITS
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// HDR-NEXT: Flags [
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// HDR-NEXT: SHF_ALLOC
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// HDR-NEXT: ]
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// HDR-NEXT: Address: 0x101B8
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// HDR-NEXT: Offset: 0x1B8
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// HDR-NEXT: Size: 36
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// HDR-NEXT: Link: 0
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// HDR-NEXT: Info: 0
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// HDR-NEXT: AddressAlignment: 1
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// HDR-NEXT: EntrySize: 0
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// HDR-NEXT: SectionData (
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// HDR-NEXT: 0000: 011B033B 9CFFFFFF 03000000 480E0000 |
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// HDR-NEXT: 0010: B8FFFFFF 490E0000 D0FFFFFF 4A0E0000 |
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// HDR-NEXT: 0020: E8FFFFFF |
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// Header (always 4 bytes): 0x011B033B
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// 9CFFFFFF = .eh_frame(0x10158) - .eh_frame_hdr(0x101B8) - 4
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// 03000000 = 3 = the number of FDE pointers in the table.
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// Entry(1): 480E0000 B8FFFFFF
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// 480E0000 = 0x11000 - .eh_frame_hdr(0x101B8) = 0xE48
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// B8FFFFFF = address of FDE(1) - .eh_frame_hdr(0x101B8) =
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// = .eh_frame(0x10158) + 24 - 0x101B8 = 0xFFFFFFB8
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// Entry(2): 490E0000 D0FFFFFF
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// 490E0000 = 0x11001 - .eh_frame_hdr(0x101B8) = 0xE49
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// D0FFFFFF = address of FDE(2) - .eh_frame_hdr(0x101B8) =
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// = .eh_frame(0x10158) + 24 + 24 - 0x101B8 = 0xFFFFFFD0
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// Entry(3): 4A0E0000 E8FFFFFF
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// 4A0E0000 = 0x11002 - .eh_frame_hdr(0x101B8) = 0xE4A
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// E8FFFFFF = address of FDE(2) - .eh_frame_hdr(0x101B8) =
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// = .eh_frame(0x10158) + 24 + 24 - 0x101B8 = 0xFFFFFFE8
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// HDR-NEXT: )
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// HDR-NEXT: }
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// HDR: ProgramHeaders [
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// HDR: ProgramHeader {
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// HDR: Type: PT_GNU_EH_FRAME
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// HDR-NEXT: Offset: 0x1B8
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// HDR-NEXT: VirtualAddress: 0x101B8
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// HDR-NEXT: PhysicalAddress: 0x101B8
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// HDR-NEXT: FileSize: 36
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// HDR-NEXT: MemSize: 36
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// HDR-NEXT: Flags [
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// HDR-NEXT: PF_R
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// HDR-NEXT: ]
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// HDR-NEXT: Alignment: 1
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// HDR-NEXT: }
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