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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef SANDBOX_LINUX_SERVICES_ANDROID_X86_UCONTEXT_H_ | |
6 #define SANDBOX_LINUX_SERVICES_ANDROID_X86_UCONTEXT_H_ | |
7 | |
8 #include <asm/sigcontext.h> | |
9 #include <signal.h> | |
10 | |
11 #if !defined(__BIONIC_HAVE_UCONTEXT_T) | |
jln (very slow on Chromium)
2013/01/08 22:26:09
That's lovely! Do you mind patching it on the arm
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12 /* Old versions of the Android <signal.h> didn't define ucontext_t. */ | |
13 | |
14 /* Type for general register. */ | |
15 typedef int greg_t; | |
16 | |
17 /* asm/sigcontext.h has same structure definition based on Linux kernel header. | |
18 * But it's not compatible with glibc definition (no gregs). | |
19 */ | |
20 typedef struct { | |
21 greg_t gregs[19]; | |
22 void* fpregs; | |
23 unsigned long int oldmask; | |
24 unsigned long int cr2; | |
25 } mcontext_t; | |
26 | |
27 enum { | |
28 REG_GS = 0, REG_FS, REG_ES, REG_DS, | |
29 REG_EDI, REG_ESI, REG_EBP, REG_ESP, | |
30 REG_EBX, REG_EDX, REG_ECX, REG_EAX, | |
31 REG_TRAPNO, REG_ERR, REG_EIP, REG_CS, | |
32 REG_EFL, REG_UESP, REG_SS | |
33 }; | |
34 | |
35 /* Machine context at the time a signal was raised. */ | |
36 typedef struct ucontext { | |
37 unsigned long int uc_flags; | |
38 struct ucontext* uc_link; | |
39 stack_t uc_stack; | |
40 mcontext_t uc_mcontext; | |
41 sigset_t uc_sigmask; | |
42 } ucontext_t; | |
digit1
2013/01/09 09:47:18
that looks good to me too :)
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43 #endif /* !__BIONIC_HAVE_UCONTEXT_T */ | |
44 | |
45 #endif // SANDBOX_LINUX_SERVICES_ANDROID_ARM_UCONTEXT_H_ | |
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