1fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm/* libunwind - a platform-independent unwind library 27fcb8006a996db6dec9de9c3831c3f32c12223b8mostang.com!davidm Copyright (C) 2002-2005 Hewlett-Packard Co 3fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm Contributed by David Mosberger-Tang <davidm@hpl.hp.com> 4fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 5fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidmThis file is part of libunwind. 6fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 7aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmPermission is hereby granted, free of charge, to any person obtaining 8aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidma copy of this software and associated documentation files (the 9aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidm"Software"), to deal in the Software without restriction, including 10aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmwithout limitation the rights to use, copy, modify, merge, publish, 11aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmdistribute, sublicense, and/or sell copies of the Software, and to 12aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmpermit persons to whom the Software is furnished to do so, subject to 13aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmthe following conditions: 14fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 15aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmThe above copyright notice and this permission notice shall be 16aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmincluded in all copies or substantial portions of the Software. 17fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 18aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmEXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmNONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 22aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmLIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmOF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24aca3843d6f53f2b36cb66c167a10e3e30e8ebd3amostang.com!davidmWITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 25fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 26fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm#include "unwind_i.h" 27fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 287fcb8006a996db6dec9de9c3831c3f32c12223b8mostang.com!davidmstatic ALWAYS_INLINE int 294992f1c9368b13007efa0efb5fad50815ed9ed4dhp.com!davidmcommon_init (struct cursor *c, unw_word_t sp, unw_word_t bsp) 30fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm{ 319724ac492c56e38916cea471af0c2bdb5379ac3fhp.com!davidm unw_word_t bspstore, rbs_base; 32756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm int ret; 33fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 34172b01d775275525d3f44b5c8642f8729a0cfbb7hp.com!davidm if (c->as->caching_policy != UNW_CACHE_NONE) 35172b01d775275525d3f44b5c8642f8729a0cfbb7hp.com!davidm /* ensure cache doesn't have any stale contents: */ 36c2b94e1e465dd9e84c03bbbd0f30328baede1ebdmostang.com!davidm ia64_validate_cache (c->as, c->as_arg); 37172b01d775275525d3f44b5c8642f8729a0cfbb7hp.com!davidm 3872199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->cfm_loc = IA64_REG_LOC (c, UNW_IA64_CFM); 394992f1c9368b13007efa0efb5fad50815ed9ed4dhp.com!davidm c->loc[IA64_REG_BSP] = IA64_NULL_LOC; 4072199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_BSPSTORE] = IA64_REG_LOC (c, UNW_IA64_AR_BSPSTORE); 4172199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_PFS] = IA64_REG_LOC (c, UNW_IA64_AR_PFS); 4272199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_RNAT] = IA64_REG_LOC (c, UNW_IA64_AR_RNAT); 4372199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_IP] = IA64_REG_LOC (c, UNW_IA64_IP); 4472199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_PRI_UNAT_MEM] = IA64_NULL_LOC; /* no primary UNaT location */ 4572199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_UNAT] = IA64_REG_LOC (c, UNW_IA64_AR_UNAT); 4672199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_PR] = IA64_REG_LOC (c, UNW_IA64_PR); 4772199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_LC] = IA64_REG_LOC (c, UNW_IA64_AR_LC); 4872199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_FPSR] = IA64_REG_LOC (c, UNW_IA64_AR_FPSR); 4972199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm 5072199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_R4] = IA64_REG_LOC (c, UNW_IA64_GR + 4); 5172199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_R5] = IA64_REG_LOC (c, UNW_IA64_GR + 5); 5272199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_R6] = IA64_REG_LOC (c, UNW_IA64_GR + 6); 5372199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_R7] = IA64_REG_LOC (c, UNW_IA64_GR + 7); 54fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 5523ecb97906a418f54b3c55bfbb2f9d3c4d156018Tommi Rantala c->loc[IA64_REG_NAT4] = IA64_REG_NAT_LOC (c, UNW_IA64_NAT + 4, &c->nat_bitnr[0]); 5623ecb97906a418f54b3c55bfbb2f9d3c4d156018Tommi Rantala c->loc[IA64_REG_NAT5] = IA64_REG_NAT_LOC (c, UNW_IA64_NAT + 5, &c->nat_bitnr[1]); 5723ecb97906a418f54b3c55bfbb2f9d3c4d156018Tommi Rantala c->loc[IA64_REG_NAT6] = IA64_REG_NAT_LOC (c, UNW_IA64_NAT + 6, &c->nat_bitnr[2]); 5823ecb97906a418f54b3c55bfbb2f9d3c4d156018Tommi Rantala c->loc[IA64_REG_NAT7] = IA64_REG_NAT_LOC (c, UNW_IA64_NAT + 7, &c->nat_bitnr[3]); 5972199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm 6072199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_B1] = IA64_REG_LOC (c, UNW_IA64_BR + 1); 6172199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_B2] = IA64_REG_LOC (c, UNW_IA64_BR + 2); 6272199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_B3] = IA64_REG_LOC (c, UNW_IA64_BR + 3); 6372199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_B4] = IA64_REG_LOC (c, UNW_IA64_BR + 4); 6472199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_B5] = IA64_REG_LOC (c, UNW_IA64_BR + 5); 6572199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm 6672199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_F2] = IA64_FPREG_LOC (c, UNW_IA64_FR + 2); 6772199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_F3] = IA64_FPREG_LOC (c, UNW_IA64_FR + 3); 6872199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_F4] = IA64_FPREG_LOC (c, UNW_IA64_FR + 4); 6972199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->loc[IA64_REG_F5] = IA64_FPREG_LOC (c, UNW_IA64_FR + 5); 70756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F16] = IA64_FPREG_LOC (c, UNW_IA64_FR + 16); 71756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F17] = IA64_FPREG_LOC (c, UNW_IA64_FR + 17); 72756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F18] = IA64_FPREG_LOC (c, UNW_IA64_FR + 18); 73756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F19] = IA64_FPREG_LOC (c, UNW_IA64_FR + 19); 74756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F20] = IA64_FPREG_LOC (c, UNW_IA64_FR + 20); 75756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F21] = IA64_FPREG_LOC (c, UNW_IA64_FR + 21); 76756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F22] = IA64_FPREG_LOC (c, UNW_IA64_FR + 22); 77756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F23] = IA64_FPREG_LOC (c, UNW_IA64_FR + 23); 78756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F24] = IA64_FPREG_LOC (c, UNW_IA64_FR + 24); 79756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F25] = IA64_FPREG_LOC (c, UNW_IA64_FR + 25); 80756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F26] = IA64_FPREG_LOC (c, UNW_IA64_FR + 26); 81756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F27] = IA64_FPREG_LOC (c, UNW_IA64_FR + 27); 82756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F28] = IA64_FPREG_LOC (c, UNW_IA64_FR + 28); 83756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F29] = IA64_FPREG_LOC (c, UNW_IA64_FR + 29); 84756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F30] = IA64_FPREG_LOC (c, UNW_IA64_FR + 30); 85756aefe909c49e1ff70e7fcf42cddea3ff20eb82mostang.com!davidm c->loc[IA64_REG_F31] = IA64_FPREG_LOC (c, UNW_IA64_FR + 31); 8672199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm 8772199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm ret = ia64_get (c, c->loc[IA64_REG_IP], &c->ip); 88fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm if (ret < 0) 89fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm return ret; 90fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 91a89e112a322d654a73b061b111c9b77b9850eed1mostang.com!davidm ret = ia64_get (c, c->cfm_loc, &c->cfm); 92a89e112a322d654a73b061b111c9b77b9850eed1mostang.com!davidm if (ret < 0) 93a89e112a322d654a73b061b111c9b77b9850eed1mostang.com!davidm return ret; 94a89e112a322d654a73b061b111c9b77b9850eed1mostang.com!davidm 9572199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm ret = ia64_get (c, c->loc[IA64_REG_PR], &c->pr); 96fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm if (ret < 0) 97fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm return ret; 98fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 994992f1c9368b13007efa0efb5fad50815ed9ed4dhp.com!davidm c->sp = c->psp = sp; 1004992f1c9368b13007efa0efb5fad50815ed9ed4dhp.com!davidm c->bsp = bsp; 101fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 10272199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm ret = ia64_get (c, c->loc[IA64_REG_BSPSTORE], &bspstore); 10303db644db300b91bb6270d332cbdf93ff21dab06mostang.com!davidm if (ret < 0) 10403db644db300b91bb6270d332cbdf93ff21dab06mostang.com!davidm return ret; 10503db644db300b91bb6270d332cbdf93ff21dab06mostang.com!davidm 1068a621f78ffd2ba292cd19eadc60cb20cd307f34emostang.com!davidm c->rbs_curr = c->rbs_left_edge = 0; 1078a621f78ffd2ba292cd19eadc60cb20cd307f34emostang.com!davidm 1089724ac492c56e38916cea471af0c2bdb5379ac3fhp.com!davidm /* Try to find a base of the register backing-store. We may default 1099724ac492c56e38916cea471af0c2bdb5379ac3fhp.com!davidm to a reasonable value (e.g., half the address-space down from 1109724ac492c56e38916cea471af0c2bdb5379ac3fhp.com!davidm bspstore). If the BSPSTORE looks corrupt, we fail. */ 1119724ac492c56e38916cea471af0c2bdb5379ac3fhp.com!davidm if ((ret = rbs_get_base (c, bspstore, &rbs_base)) < 0) 1129724ac492c56e38916cea471af0c2bdb5379ac3fhp.com!davidm return ret; 1139724ac492c56e38916cea471af0c2bdb5379ac3fhp.com!davidm 11403db644db300b91bb6270d332cbdf93ff21dab06mostang.com!davidm c->rbs_area[0].end = bspstore; 1159724ac492c56e38916cea471af0c2bdb5379ac3fhp.com!davidm c->rbs_area[0].size = bspstore - rbs_base; 11603db644db300b91bb6270d332cbdf93ff21dab06mostang.com!davidm c->rbs_area[0].rnat_loc = IA64_REG_LOC (c, UNW_IA64_AR_RNAT); 1179724ac492c56e38916cea471af0c2bdb5379ac3fhp.com!davidm Debug (10, "initial rbs-area: [0x%llx-0x%llx), rnat@%s\n", 1189724ac492c56e38916cea471af0c2bdb5379ac3fhp.com!davidm (long long) rbs_base, (long long) c->rbs_area[0].end, 11972199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm ia64_strloc (c->rbs_area[0].rnat_loc)); 12003db644db300b91bb6270d332cbdf93ff21dab06mostang.com!davidm 121fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm c->pi.flags = 0; 122fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 12372199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->sigcontext_addr = 0; 12472199b31ffb7c7e944d3d7fdeb68ce75f72a8077mostang.com!davidm c->abi_marker = 0; 125d92ddf8128c69bb463bdc5d6952b9b2af8570ffbhp.com!davidm c->last_abi_marker = 0; 126fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm 127fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm c->hint = 0; 128fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm c->prev_script = 0; 1297e29f92baab66b17dc118ede488ed24941a78dfdmostang.com!davidm c->eh_valid_mask = 0; 1302e0505826fb8e49628c58c22dc9c62133a235854mostang.com!davidm c->pi_valid = 0; 1312e0505826fb8e49628c58c22dc9c62133a235854mostang.com!davidm return 0; 132fb9b517d0c1d4c0306965c1764c77ef1938ef7eamostang.com!davidm} 133