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comparison src/os_cpu/bsd_x86/vm/bsd_x86_64.s @ 11127:980532a806a5

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8016697: Use stubs to implement safefetch Summary: Implement Safefetch as stub routines. This reduces compiler and os dependencies. Reviewed-by: twisti, kvn
author goetz
date Thu, 20 Jun 2013 15:02:05 +0200
parents f08d439fab8c
children de6a9e811145
comparison
equal deleted inserted replaced
11088:ea4d24c1e0c6 11127:980532a806a5
43 .globl SYMBOL(_Copy_conjoint_jints_atomic) 43 .globl SYMBOL(_Copy_conjoint_jints_atomic)
44 .globl SYMBOL(_Copy_arrayof_conjoint_jlongs) 44 .globl SYMBOL(_Copy_arrayof_conjoint_jlongs)
45 .globl SYMBOL(_Copy_conjoint_jlongs_atomic) 45 .globl SYMBOL(_Copy_conjoint_jlongs_atomic)
46 46
47 .text 47 .text
48
49 .globl SYMBOL(SafeFetch32), SYMBOL(Fetch32PFI), SYMBOL(Fetch32Resume)
50 .p2align 4,,15
51 ELF_TYPE(SafeFetch32,@function)
52 // Prototype: int SafeFetch32 (int * Adr, int ErrValue)
53 SYMBOL(SafeFetch32):
54 movl %esi, %eax
55 SYMBOL(Fetch32PFI):
56 movl (%rdi), %eax
57 SYMBOL(Fetch32Resume):
58 ret
59
60 .globl SYMBOL(SafeFetchN), SYMBOL(FetchNPFI), SYMBOL(FetchNResume)
61 .p2align 4,,15
62 ELF_TYPE(SafeFetchN,@function)
63 // Prototype: intptr_t SafeFetchN (intptr_t * Adr, intptr_t ErrValue)
64 SYMBOL(SafeFetchN):
65 movq %rsi, %rax
66 SYMBOL(FetchNPFI):
67 movq (%rdi), %rax
68 SYMBOL(FetchNResume):
69 ret
70 48
71 .globl SYMBOL(SpinPause) 49 .globl SYMBOL(SpinPause)
72 .p2align 4,,15 50 .p2align 4,,15
73 ELF_TYPE(SpinPause,@function) 51 ELF_TYPE(SpinPause,@function)
74 SYMBOL(SpinPause): 52 SYMBOL(SpinPause):