1 /* Copyright 2006 Google LLC 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following disclaimer 11 * in the documentation and/or other materials provided with the 12 * distribution. 13 * * Neither the name of Google LLC nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ 28 29 /* minidump_format.h: A cross-platform reimplementation of minidump-related 30 * portions of DbgHelp.h from the Windows Platform SDK. 31 * 32 * (This is C99 source, please don't corrupt it with C++.) 33 * 34 * This file contains the necessary definitions to read minidump files 35 * produced on sparc. These files may be read on any platform provided 36 * that the alignments of these structures on the processing system are 37 * identical to the alignments of these structures on the producing system. 38 * For this reason, precise-sized types are used. The structures defined 39 * by this file have been laid out to minimize alignment problems by ensuring 40 * ensuring that all members are aligned on their natural boundaries. In 41 * In some cases, tail-padding may be significant when different ABIs specify 42 * different tail-padding behaviors. To avoid problems when reading or 43 * writing affected structures, MD_*_SIZE macros are provided where needed, 44 * containing the useful size of the structures without padding. 45 * 46 * Structures that are defined by Microsoft to contain a zero-length array 47 * are instead defined here to contain an array with one element, as 48 * zero-length arrays are forbidden by standard C and C++. In these cases, 49 * *_minsize constants are provided to be used in place of sizeof. For a 50 * cleaner interface to these sizes when using C++, see minidump_size.h. 51 * 52 * These structures are also sufficient to populate minidump files. 53 * 54 * These definitions may be extended to support handling minidump files 55 * for other CPUs and other operating systems. 56 * 57 * Because precise data type sizes are crucial for this implementation to 58 * function properly and portably in terms of interoperability with minidumps 59 * produced by DbgHelp on Windows, a set of primitive types with known sizes 60 * are used as the basis of each structure defined by this file. DbgHelp 61 * on Windows is assumed to be the reference implementation; this file 62 * seeks to provide a cross-platform compatible implementation. To avoid 63 * collisions with the types and values defined and used by DbgHelp in the 64 * event that this implementation is used on Windows, each type and value 65 * defined here is given a new name, beginning with "MD". Names of the 66 * equivalent types and values in the Windows Platform SDK are given in 67 * comments. 68 * 69 * Author: Mark Mentovai 70 * Change to split into its own file: Neal Sidhwaney */ 71 72 /* 73 * SPARC support, see (solaris)sys/procfs_isa.h also 74 */ 75 76 #ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_SPARC_H__ 77 #define GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_SPARC_H__ 78 79 #define MD_FLOATINGSAVEAREA_SPARC_FPR_COUNT 32 80 81 typedef struct { 82 83 /* FPU floating point regs */ 84 uint64_t regs[MD_FLOATINGSAVEAREA_SPARC_FPR_COUNT]; 85 86 uint64_t filler; 87 uint64_t fsr; /* FPU status register */ 88 } MDFloatingSaveAreaSPARC; /* FLOATING_SAVE_AREA */ 89 90 #define MD_CONTEXT_SPARC_GPR_COUNT 32 91 92 typedef struct { 93 /* The next field determines the layout of the structure, and which parts 94 * of it are populated 95 */ 96 uint32_t context_flags; 97 uint32_t flag_pad; 98 /* 99 * General register access (SPARC). 100 * Don't confuse definitions here with definitions in <sys/regset.h>. 101 * Registers are 32 bits for ILP32, 64 bits for LP64. 102 * SPARC V7/V8 is for 32bit, SPARC V9 is for 64bit 103 */ 104 105 /* 32 Integer working registers */ 106 107 /* g_r[0-7] global registers(g0-g7) 108 * g_r[8-15] out registers(o0-o7) 109 * g_r[16-23] local registers(l0-l7) 110 * g_r[24-31] in registers(i0-i7) 111 */ 112 uint64_t g_r[MD_CONTEXT_SPARC_GPR_COUNT]; 113 114 /* several control registers */ 115 116 /* Processor State register(PSR) for SPARC V7/V8 117 * Condition Code register (CCR) for SPARC V9 118 */ 119 uint64_t ccr; 120 121 uint64_t pc; /* Program Counter register (PC) */ 122 uint64_t npc; /* Next Program Counter register (nPC) */ 123 uint64_t y; /* Y register (Y) */ 124 125 /* Address Space Identifier register (ASI) for SPARC V9 126 * WIM for SPARC V7/V8 127 */ 128 uint64_t asi; 129 130 /* Floating-Point Registers State register (FPRS) for SPARC V9 131 * TBR for for SPARC V7/V8 132 */ 133 uint64_t fprs; 134 135 /* The next field is included with MD_CONTEXT_SPARC_FLOATING_POINT */ 136 MDFloatingSaveAreaSPARC float_save; 137 138 } MDRawContextSPARC; /* CONTEXT_SPARC */ 139 140 /* Indices into g_r for registers with a dedicated or conventional purpose. */ 141 enum MDSPARCRegisterNumbers { 142 MD_CONTEXT_SPARC_REG_SP = 14 143 }; 144 145 /* For (MDRawContextSPARC).context_flags. These values indicate the type of 146 * context stored in the structure. MD_CONTEXT_SPARC is Breakpad-defined. Its 147 * value was chosen to avoid likely conflicts with MD_CONTEXT_* for other 148 * CPUs. */ 149 #define MD_CONTEXT_SPARC 0x10000000 150 #define MD_CONTEXT_SPARC_CONTROL (MD_CONTEXT_SPARC | 0x00000001) 151 #define MD_CONTEXT_SPARC_INTEGER (MD_CONTEXT_SPARC | 0x00000002) 152 #define MD_CONTEXT_SAPARC_FLOATING_POINT (MD_CONTEXT_SPARC | 0x00000004) 153 #define MD_CONTEXT_SAPARC_EXTRA (MD_CONTEXT_SPARC | 0x00000008) 154 155 #define MD_CONTEXT_SPARC_FULL (MD_CONTEXT_SPARC_CONTROL | \ 156 MD_CONTEXT_SPARC_INTEGER) 157 158 #define MD_CONTEXT_SPARC_ALL (MD_CONTEXT_SPARC_FULL | \ 159 MD_CONTEXT_SAPARC_FLOATING_POINT | \ 160 MD_CONTEXT_SAPARC_EXTRA) 161 162 #endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_SPARC_H__ */ 163