1cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm/* libunwind - a platform-independent unwind library 2cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm Copyright (C) 2004 Hewlett-Packard Co 3cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm Contributed by David Mosberger-Tang <davidm@hpl.hp.com> 4cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 5cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmThis file is part of libunwind. 6cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 7cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmPermission is hereby granted, free of charge, to any person obtaining 8cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidma copy of this software and associated documentation files (the 9cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm"Software"), to deal in the Software without restriction, including 10cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmwithout limitation the rights to use, copy, modify, merge, publish, 11cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmdistribute, sublicense, and/or sell copies of the Software, and to 12cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmpermit persons to whom the Software is furnished to do so, subject to 13cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmthe following conditions: 14cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 15cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmThe above copyright notice and this permission notice shall be 16cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmincluded in all copies or substantial portions of the Software. 17cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 18cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmEXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmNONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 22cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmLIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmOF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmWITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 25cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 26cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm#include "unwind_i.h" 27cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 28cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmPROTECTED int 29cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidmunw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) 30cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm{ 31cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm struct cursor *c = (struct cursor *) cursor; 32cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm dwarf_loc_t loc; 33cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 34cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm loc = DWARF_NULL_LOC; /* default to "not saved" */ 35cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 36cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm switch (reg) 37cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm { 38cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_EIP: loc = c->dwarf.loc[EIP]; break; 39cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_CFA: break; 40cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_EAX: loc = c->dwarf.loc[EAX]; break; 41cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ECX: loc = c->dwarf.loc[ECX]; break; 42cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_EDX: loc = c->dwarf.loc[EDX]; break; 43cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_EBX: loc = c->dwarf.loc[EBX]; break; 44cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ESP: loc = c->dwarf.loc[ESP]; break; 45cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_EBP: loc = c->dwarf.loc[EBP]; break; 46cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ESI: loc = c->dwarf.loc[ESI]; break; 47cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_EDI: loc = c->dwarf.loc[EDI]; break; 48cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_EFLAGS: loc = c->dwarf.loc[EFLAGS]; break; 49cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_TRAPNO: loc = c->dwarf.loc[TRAPNO]; break; 50cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ST0: loc = c->dwarf.loc[ST0]; break; 51cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 52cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_FCW: 53cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_FSW: 54cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_FTW: 55cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_FOP: 56cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_FCS: 57cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_FIP: 58cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_FEA: 59cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_FDS: 60cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_MXCSR: 61cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_GS: 62cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_FS: 63cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ES: 64cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_DS: 65cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_SS: 66cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_CS: 67cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_TSS: 68cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_LDT: 69cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm loc = x86_scratch_loc (c, reg); 70cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm break; 71cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 72cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm /* stacked fp registers */ 73cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ST1: 74cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ST2: 75cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ST3: 76cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ST4: 77cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ST5: 78cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ST6: 79cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_ST7: 80cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm /* SSE fp registers */ 81cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM0_lo: 82cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM0_hi: 83cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM1_lo: 84cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM1_hi: 85cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM2_lo: 86cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM2_hi: 87cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM3_lo: 88cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM3_hi: 89cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM4_lo: 90cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM4_hi: 91cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM5_lo: 92cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM5_hi: 93cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM6_lo: 94cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM6_hi: 95cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM7_lo: 96cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm case UNW_X86_XMM7_hi: 97a8be10e2518fe41fbbfc7cd277a170c5f8ab5b39David Mosberger-Tang case UNW_X86_XMM0: 98a8be10e2518fe41fbbfc7cd277a170c5f8ab5b39David Mosberger-Tang case UNW_X86_XMM1: 99a8be10e2518fe41fbbfc7cd277a170c5f8ab5b39David Mosberger-Tang case UNW_X86_XMM2: 100a8be10e2518fe41fbbfc7cd277a170c5f8ab5b39David Mosberger-Tang case UNW_X86_XMM3: 101a8be10e2518fe41fbbfc7cd277a170c5f8ab5b39David Mosberger-Tang case UNW_X86_XMM4: 102a8be10e2518fe41fbbfc7cd277a170c5f8ab5b39David Mosberger-Tang case UNW_X86_XMM5: 103a8be10e2518fe41fbbfc7cd277a170c5f8ab5b39David Mosberger-Tang case UNW_X86_XMM6: 104a8be10e2518fe41fbbfc7cd277a170c5f8ab5b39David Mosberger-Tang case UNW_X86_XMM7: 105cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm loc = x86_scratch_loc (c, reg); 106cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm break; 107cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 108cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm default: 109cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm break; 110cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm } 111cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 112f89fb17695e8137a5f4e23570bf9f53374186c96Arun memset (sloc, 0, sizeof (*sloc)); 113cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 114cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm if (DWARF_IS_NULL_LOC (loc)) 115cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm { 116cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm sloc->type = UNW_SLT_NONE; 117cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm return 0; 118cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm } 119cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm 120cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm#if !defined(UNW_LOCAL_ONLY) 121cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm if (DWARF_IS_REG_LOC (loc)) 122cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm { 123cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm sloc->type = UNW_SLT_REG; 124cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm sloc->u.regnum = DWARF_GET_LOC (loc); 125cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm } 126cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm else 127cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm#endif 128cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm { 129cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm sloc->type = UNW_SLT_MEMORY; 130cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm sloc->u.addr = DWARF_GET_LOC (loc); 131cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm } 132cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm return 0; 133cf0945223e63918f20af7d5079d9e11cc1c7e0behomeip.net!davidm} 134