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| 1 // Copyright 2014 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_64_UCONTEXT_H_ | |
| 6 #define SANDBOX_LINUX_SERVICES_ANDROID_X86_64_UCONTEXT_H_ | |
| 7 | |
| 8 // We do something compatible with glibc. Hopefully, at some point Android will | |
| 9 // provide that for us, and __BIONIC_HAVE_UCONTEXT_T should be defined. | |
| 10 // Spec: | |
| 11 // http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-AMD64/LSB-Core-AMD64/l
ibc-ddefs.html#AEN5668 | |
| 12 | |
| 13 #if !defined(__BIONIC_HAVE_UCONTEXT_T) | |
| 14 #include <asm/sigcontext.h> | |
| 15 | |
| 16 struct _libc_fpxreg { | |
| 17 unsigned short significand[4]; | |
| 18 unsigned short exponent; | |
| 19 unsigned short padding[3]; | |
| 20 }; | |
| 21 | |
| 22 struct _libc_xmmreg { | |
| 23 uint32_t element[4]; | |
| 24 }; | |
| 25 | |
| 26 struct _libc_fpstate { | |
| 27 uint16_t cwd; | |
| 28 uint16_t swd; | |
| 29 uint16_t twd; | |
| 30 uint16_t fop; | |
| 31 uint64_t rip; | |
| 32 uint64_t rdp; | |
| 33 uint32_t mxcsr; | |
| 34 uint32_t mxcsr_mask; | |
| 35 struct _libc_fpxreg _st[8]; | |
| 36 struct _libc_xmmreg _xmm[16]; | |
| 37 uint32_t padding[24]; | |
| 38 }; | |
| 39 | |
| 40 typedef uint64_t greg_t; | |
| 41 | |
| 42 typedef struct { | |
| 43 greg_t gregs[23]; | |
| 44 struct _libc_fpstate* fpregs; | |
| 45 unsigned long __reserved1[8]; | |
| 46 } mcontext_t; | |
| 47 | |
| 48 enum { | |
| 49 REG_R8 = 0, | |
| 50 REG_R9, | |
| 51 REG_R10, | |
| 52 REG_R11, | |
| 53 REG_R12, | |
| 54 REG_R13, | |
| 55 REG_R14, | |
| 56 REG_R15, | |
| 57 REG_RDI, | |
| 58 REG_RSI, | |
| 59 REG_RBP, | |
| 60 REG_RBX, | |
| 61 REG_RDX, | |
| 62 REG_RAX, | |
| 63 REG_RCX, | |
| 64 REG_RSP, | |
| 65 REG_RIP, | |
| 66 REG_EFL, | |
| 67 REG_CSGSFS, | |
| 68 REG_ERR, | |
| 69 REG_TRAPNO, | |
| 70 REG_OLDMASK, | |
| 71 REG_CR2, | |
| 72 NGREG, | |
| 73 }; | |
| 74 | |
| 75 typedef struct ucontext { | |
| 76 unsigned long uc_flags; | |
| 77 struct ucontext* uc_link; | |
| 78 stack_t uc_stack; | |
| 79 mcontext_t uc_mcontext; | |
| 80 sigset_t uc_sigmask; | |
| 81 struct _libc_fpstate __fpregs_mem; | |
| 82 } ucontext_t; | |
| 83 | |
| 84 #else | |
| 85 #include <sys/ucontext.h> | |
| 86 #endif // __BIONIC_HAVE_UCONTEXT_T | |
| 87 | |
| 88 #endif // SANDBOX_LINUX_SERVICES_ANDROID_X86_64_UCONTEXT_H_ | |
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Chromium Code Reviews
Issue 935333002:
Update from https://crrev.com/316786 (Closed)
Base URL: git@github.com:domokit/mojo.git@master