blob: 6ccabbf5994d5f4549f870540ec3cb4b5a0968bd (
plain)
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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// Mark stack as non-executable
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack, "", @progbits
#endif
/* See i386/morestack.S for the lengthy, general explanation. */
.text
#if defined(__APPLE__)
#define MORESTACK ___morestack
#else
#define MORESTACK __morestack
#endif
#if defined(__APPLE__)
#define EXHAUSTED _rust_stack_exhausted
#elif defined(__linux__) || defined(__FreeBSD__)
#define EXHAUSTED rust_stack_exhausted@PLT
#else
#define EXHAUSTED rust_stack_exhausted
#endif
#if defined(__linux__) || defined(__FreeBSD__)
.hidden MORESTACK
#else
#if defined(__APPLE__)
.private_extern MORESTACK
#endif
#endif
#ifdef __ELF__
.type MORESTACK,@function
#endif
.globl MORESTACK
MORESTACK:
.cfi_startproc
pushq %rbp
// The CFA is 24 bytes above the register that it will
// be associated with for this frame (%rbp). That is 8
// bytes greater than a normal frame, to allow the unwinder
// to skip the partial frame of the original function.
.cfi_def_cfa_offset 24
#if defined(__APPLE__)
// The pattern of the return address being saved twice to the same location
// tells the OS X linker that it should not attempt to convert the DWARF
// unwind information to the compact format.
.cfi_offset %rip, -8
.cfi_offset %rip, -8
#endif
// %rbp is -24 bytes from the CFA
.cfi_offset %rbp, -24
movq %rsp, %rbp
// Calculate the CFA as on offset from %ebp
.cfi_def_cfa_register %rbp
// re-align the stack
subq $8, %rsp
// kill this program
call EXHAUSTED
// the exhaustion function guarantees that it can't return
.cfi_endproc
|
