Mercurial > hg > truffle
comparison src/os_cpu/linux_x86/vm/linux_x86_32.s @ 11128:a74ec8831c7b
Merge
author | clucasius |
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date | Mon, 15 Jul 2013 12:24:32 -0400 |
parents | 980532a806a5 |
children | de6a9e811145 |
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11124:bd1dc81da579 | 11128:a74ec8831c7b |
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39 | 39 |
40 .globl _Atomic_cmpxchg_long | 40 .globl _Atomic_cmpxchg_long |
41 .globl _Atomic_move_long | 41 .globl _Atomic_move_long |
42 | 42 |
43 .text | 43 .text |
44 | |
45 .globl SafeFetch32, Fetch32PFI, Fetch32Resume | |
46 .globl SafeFetchN | |
47 ## TODO: avoid exposing Fetch32PFI and Fetch32Resume. | |
48 ## Instead, the signal handler would call a new SafeFetchTriage(FaultingEIP) | |
49 ## routine to vet the address. If the address is the faulting LD then | |
50 ## SafeFetchTriage() would return the resume-at EIP, otherwise null. | |
51 .type SafeFetch32,@function | |
52 .p2align 4,,15 | |
53 SafeFetch32: | |
54 SafeFetchN: | |
55 movl 0x8(%esp), %eax | |
56 movl 0x4(%esp), %ecx | |
57 Fetch32PFI: | |
58 movl (%ecx), %eax | |
59 Fetch32Resume: | |
60 ret | |
61 | |
62 | 44 |
63 .globl SpinPause | 45 .globl SpinPause |
64 .type SpinPause,@function | 46 .type SpinPause,@function |
65 .p2align 4,,15 | 47 .p2align 4,,15 |
66 SpinPause: | 48 SpinPause: |