File: eh-frame-dwarf-unwind.s

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (39 lines) | stat: -rw-r--r-- 895 bytes parent folder | download | duplicates (27)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
        .text
        .globl  bar
bar:
        .cfi_startproc
        leal    (%edi, %edi), %eax
        ret
        .cfi_endproc

        .globl  foo
foo:
        .cfi_startproc
        .cfi_escape 0x16, 0x10, 0x06, 0x38, 0x1c, 0x06, 0x08, 0x47, 0x1c
        call    bar
        addl    $1, %eax
        popq    %rdi
        subq    $0x47, %rdi
        jmp     *%rdi # Return
        .cfi_endproc

        .globl  asm_main
asm_main:
        .cfi_startproc
        pushq   %rbp
        .cfi_def_cfa_offset 16
        .cfi_offset 6, -16
        movq    %rsp, %rbp
        .cfi_def_cfa_register 6
        movl    $47, %edi

        # Non-standard calling convention. The real return address must be
        # decremented by 0x47.
        leaq    0x47+1f(%rip), %rax
        pushq   %rax
        jmp     foo # call
1:
        popq    %rbp
        .cfi_def_cfa 7, 8
        ret
        .cfi_endproc