/* libunwind - a platform-independent unwind library Copyright (C) 2001-2002 Hewlett-Packard Co Contributed by David Mosberger-Tang This file is part of libunwind. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include "unwind_i.h" struct ia64_global_unwind_state unw = { first_time: 1, // tables: &unw.kernel_table, // lock: SPIN_LOCK_UNLOCKED, save_order: { IA64_REG_RP, IA64_REG_PFS, IA64_REG_PSP, IA64_REG_PR, IA64_REG_UNAT, IA64_REG_LC, IA64_REG_FPSR, IA64_REG_PRI_UNAT_GR }, preg_index: { struct_offset (struct ia64_cursor, pri_unat_loc)/8, /* PRI_UNAT_GR */ struct_offset (struct ia64_cursor, pri_unat_loc)/8, /* PRI_UNAT_MEM */ struct_offset (struct ia64_cursor, bsp_loc)/8, struct_offset (struct ia64_cursor, bspstore_loc)/8, struct_offset (struct ia64_cursor, pfs_loc)/8, struct_offset (struct ia64_cursor, rnat_loc)/8, struct_offset (struct ia64_cursor, psp)/8, struct_offset (struct ia64_cursor, ip_loc)/8, struct_offset (struct ia64_cursor, r4_loc)/8, struct_offset (struct ia64_cursor, r5_loc)/8, struct_offset (struct ia64_cursor, r6_loc)/8, struct_offset (struct ia64_cursor, r7_loc)/8, struct_offset (struct ia64_cursor, nat4_loc)/8, struct_offset (struct ia64_cursor, nat5_loc)/8, struct_offset (struct ia64_cursor, nat6_loc)/8, struct_offset (struct ia64_cursor, nat7_loc)/8, struct_offset (struct ia64_cursor, unat_loc)/8, struct_offset (struct ia64_cursor, pr_loc)/8, struct_offset (struct ia64_cursor, lc_loc)/8, struct_offset (struct ia64_cursor, fpsr_loc)/8, struct_offset (struct ia64_cursor, b1_loc)/8, struct_offset (struct ia64_cursor, b2_loc)/8, struct_offset (struct ia64_cursor, b3_loc)/8, struct_offset (struct ia64_cursor, b4_loc)/8, struct_offset (struct ia64_cursor, b5_loc)/8, struct_offset (struct ia64_cursor, f2_loc)/8, struct_offset (struct ia64_cursor, f3_loc)/8, struct_offset (struct ia64_cursor, f4_loc)/8, struct_offset (struct ia64_cursor, f5_loc)/8, struct_offset (struct ia64_cursor, fr_loc[16 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[17 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[18 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[19 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[20 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[21 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[22 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[23 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[24 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[25 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[26 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[27 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[28 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[29 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[30 - 16])/8, struct_offset (struct ia64_cursor, fr_loc[31 - 16])/8, }, #if IA64_UNW_DEBUG debug_level: 0, preg_name: { "pri_unat_gr", "pri_unat_mem", "bsp", "bspstore", "ar.pfs", "ar.rnat", "psp", "rp", "r4", "r5", "r6", "r7", "ar.unat", "pr", "ar.lc", "ar.fpsr", "b1", "b2", "b3", "b4", "b5", "f2", "f3", "f4", "f5", "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31" } #endif }; void ia64_init (void) { extern void unw_hash_index_t_is_too_narrow (void); extern void unw_cursor_t_is_too_small (void); uint8_t f1_bytes[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; uint8_t nat_val_bytes[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xff, 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; uint8_t int_val_bytes[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xff, 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; uint8_t *lep, *bep; long i; #if IA64_UNW_DEBUG { const char *str = getenv ("UNW_DEBUG_LEVEL"); if (str) unw.debug_level = atoi (str); } #endif mempool_init (&unw.unwind_table_pool, sizeof (struct ia64_unwind_table), 0); mempool_init (&unw.state_record_pool, sizeof (struct ia64_state_record), 0); mempool_init (&unw.labeled_state_pool, sizeof (struct ia64_labeled_state), 0); unw.f0.raw.bits[0] = 0; unw.f0.raw.bits[1] = 0; lep = (uint8_t *) &unw.f1_le + 16; bep = (uint8_t *) &unw.f1_be; for (i = 0; i < 16; ++i) { *--lep = f1_bytes[i]; *bep++ = f1_bytes[i]; } lep = (uint8_t *) &unw.nat_val_le + 16; bep = (uint8_t *) &unw.nat_val_be; for (i = 0; i < 16; ++i) { *--lep = nat_val_bytes[i]; *bep++ = nat_val_bytes[i]; } lep = (uint8_t *) &unw.int_val_le + 16; bep = (uint8_t *) &unw.int_val_be; for (i = 0; i < 16; ++i) { *--lep = int_val_bytes[i]; *bep++ = int_val_bytes[i]; } if (sizeof (struct ia64_cursor) > sizeof (unw_cursor_t)) unw_cursor_t_is_too_small(); if (8*sizeof(unw_hash_index_t) < IA64_LOG_UNW_HASH_SIZE) unw_hash_index_t_is_too_narrow(); ia64_script_cache_init (&unw.global_cache); }