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// Copyright (c) 2012, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_USER_H
#define GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_USER_H
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
// These types are used with ptrace(), more specifically with
// PTRACE_GETREGS, PTRACE_GETFPREGS and PTRACE_GETVFPREGS respectively.
//
// They are also defined, sometimes with different names, in <asm/user.h>
//
#if defined(__arm__)
#define _ARM_USER_H 1 // Prevent <asm/user.h> conflicts
// Note: on ARM, GLibc uses user_regs instead of user_regs_struct.
struct user_regs {
// Note: Entries 0-15 match r0..r15
// Entry 16 is used to store the CPSR register.
// Entry 17 is used to store the "orig_r0" value.
unsigned long int uregs[18];
};
// Same here: user_fpregs instead of user_fpregs_struct.
struct user_fpregs {
struct fp_reg {
unsigned int sign1:1;
unsigned int unused:15;
unsigned int sign2:1;
unsigned int exponent:14;
unsigned int j:1;
unsigned int mantissa1:31;
unsigned int mantissa0:32;
} fpregs[8];
unsigned int fpsr:32;
unsigned int fpcr:32;
unsigned char ftype[8];
unsigned int init_flag;
};
// GLibc doesn't define this one in <sys/user.h> though.
struct user_vfpregs {
unsigned long long fpregs[32];
unsigned long fpscr;
};
#elif defined(__aarch64__)
// aarch64 does not have user_regs definitions in <asm/user.h>, instead
// use the definitions in <asm/ptrace.h>, which we don't need to redefine here.
#elif defined(__i386__)
#define _I386_USER_H 1 // Prevent <asm/user.h> conflicts
// GLibc-compatible definitions
struct user_regs_struct {
long ebx, ecx, edx, esi, edi, ebp, eax;
long xds, xes, xfs, xgs, orig_eax;
long eip, xcs, eflags, esp, xss;
};
struct user_fpregs_struct {
long cwd, swd, twd, fip, fcs, foo, fos;
long st_space[20];
};
struct user_fpxregs_struct {
unsigned short cwd, swd, twd, fop;
long fip, fcs, foo, fos, mxcsr, reserved;
long st_space[32];
long xmm_space[32];
long padding[56];
};
struct user {
struct user_regs_struct regs;
int u_fpvalid;
struct user_fpregs_struct i387;
unsigned long u_tsize;
unsigned long u_dsize;
unsigned long u_ssize;
unsigned long start_code;
unsigned long start_stack;
long signal;
int reserved;
struct user_regs_struct* u_ar0;
struct user_fpregs_struct* u_fpstate;
unsigned long magic;
char u_comm [32];
int u_debugreg [8];
};
#elif defined(__mips__)
#define _ASM_USER_H 1 // Prevent <asm/user.h> conflicts
struct user_regs_struct {
unsigned long long regs[32];
unsigned long long lo;
unsigned long long hi;
unsigned long long epc;
unsigned long long badvaddr;
unsigned long long status;
unsigned long long cause;
};
struct user_fpregs_struct {
unsigned long long regs[32];
unsigned int fpcsr;
unsigned int fir;
};
#elif defined(__x86_64__)
#include <sys/types.h>
#include_next <sys/user.h>
// This struct is essentially the same as user_i387_struct in sys/user.h
// except that the struct name and individual field names are chosen here
// to match the ones used in breakpad for other x86_64 platforms.
struct user_fpregs_struct {
__u16 cwd;
__u16 swd;
__u16 ftw;
__u16 fop;
__u64 rip;
__u64 rdp;
__u32 mxcsr;
__u32 mxcr_mask;
__u32 st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
__u32 xmm_space[64]; /* 16*16 bytes for each XMM-reg = 256 bytes */
__u32 padding[24];
};
#else
# error "Unsupported Android CPU ABI"
#endif
#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus
#endif // GOOGLE_BREAKPAD_COMMON_ANDROID_INCLUDE_SYS_USER_H
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