diff --git a/src/ia64/init.c b/src/ia64/init.c deleted file mode 100644 index 82af9753..00000000 --- a/src/ia64/init.c +++ /dev/null @@ -1,335 +0,0 @@ -/* 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 "rse.h" -#include "unwind_i.h" - -struct ia64_global_unwind_state unw = - { - first_time: 1, - 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 -}; - -unw_addr_space_t unw_local_addr_space; - -#ifndef UNW_REMOTE_ONLY - -static struct unw_addr_space local_addr_space; - -static inline void * -uc_addr (ucontext_t *uc, int reg) -{ - void *addr; - - switch (reg) - { - case UNW_IA64_IP: addr = &uc->uc_mcontext.sc_br[0]; break; - case UNW_IA64_CFM: addr = &uc->uc_mcontext.sc_ar_pfs; break; - case UNW_IA64_AR_RNAT: addr = &uc->uc_mcontext.sc_ar_rnat; break; - case UNW_IA64_AR_UNAT: addr = &uc->uc_mcontext.sc_ar_unat; break; - case UNW_IA64_AR_LC: addr = &uc->uc_mcontext.sc_ar_lc; break; - case UNW_IA64_AR_FPSR: addr = &uc->uc_mcontext.sc_ar_fpsr; break; - case UNW_IA64_PR: addr = &uc->uc_mcontext.sc_pr; break; - case UNW_IA64_AR_BSP: addr = &uc->uc_mcontext.sc_rbs_base; break; - case UNW_IA64_AR_BSPSTORE: addr = &uc->uc_mcontext.sc_rbs_base; break; - - case UNW_IA64_GR + 4 ... UNW_IA64_GR + 7: - case UNW_IA64_GR + 12: - addr = &uc->uc_mcontext.sc_gr[reg - UNW_IA64_GR]; - break; - - case UNW_IA64_BR + 1 ... UNW_IA64_BR + 5: - addr = &uc->uc_mcontext.sc_br[reg - UNW_IA64_BR]; - break; - - case UNW_IA64_FR+ 2 ... UNW_IA64_FR+ 5: - case UNW_IA64_FR+16 ... UNW_IA64_FR+31: - addr = &uc->uc_mcontext.sc_fr[reg - UNW_IA64_FR]; - break; - - default: - addr = NULL; - } - return addr; -} - -# ifdef UNW_LOCAL_ONLY - -void * -_Uia64_uc_addr (ucontext_t *uc, int reg) -{ - return uc_addr (uc, reg); -} - -# endif /* UNW_LOCAL_ONLY */ - -static int -access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, - void *arg) -{ - if (write) - { - debug (100, "%s: mem[%lx] <- %lx\n", __FUNCTION__, addr, *val); - *(unw_word_t *) addr = *val; - } - else - { - *val = *(unw_word_t *) addr; - debug (100, "%s: mem[%lx] -> %lx\n", __FUNCTION__, addr, *val); - } - return 0; -} - -static int -access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write, - void *arg) -{ - unw_word_t *addr, mask; - ucontext_t *uc = arg; - - if (reg >= UNW_IA64_FR && reg < UNW_IA64_FR + 128) - goto badreg; - - if (reg >= UNW_IA64_NAT + 4 && reg <= UNW_IA64_NAT + 7) - { - mask = ((unw_word_t) 1) << (reg - UNW_IA64_NAT); - if (write) - { - if (*val) - uc->uc_mcontext.sc_nat |= mask; - else - uc->uc_mcontext.sc_nat &= ~mask; - } - else - *val = (uc->uc_mcontext.sc_nat & mask) != 0; - - if (write) - debug (100, "%s: %s <- %lx\n", __FUNCTION__, unw_regname (reg), *val); - else - debug (100, "%s: %s -> %lx\n", __FUNCTION__, unw_regname (reg), *val); - return 0; - } - - addr = uc_addr (uc, reg); - if (!addr) - goto badreg; - - if (write) - { - *(unw_word_t *) addr = *val; - debug (100, "%s: %s <- %lx\n", __FUNCTION__, unw_regname (reg), *val); - } - else - { - *val = *(unw_word_t *) addr; - debug (100, "%s: %s -> %lx\n", __FUNCTION__, unw_regname (reg), *val); - } - return 0; - - badreg: - debug (1, "%s: bad register number %u\n", __FUNCTION__, reg); - return -UNW_EBADREG; -} - -static int -access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, - int write, void *arg) -{ - ucontext_t *uc = arg; - unw_fpreg_t *addr; - - if (reg < UNW_IA64_FR || reg >= UNW_IA64_FR + 128) - goto badreg; - - addr = uc_addr (uc, reg); - if (!addr) - goto badreg; - - if (write) - { - debug (100, "%s: %s <- %016lx.%016lx\n", __FUNCTION__, - unw_regname (reg), val->raw.bits[1], val->raw.bits[0]); - *(unw_fpreg_t *) addr = *val; - } - else - { - *val = *(unw_fpreg_t *) addr; - debug (100, "%s: %s -> %016lx.%016lx\n", __FUNCTION__, - unw_regname (reg), val->raw.bits[1], val->raw.bits[0]); - } - return 0; - - badreg: - debug (1, "%s: bad register number %u\n", __FUNCTION__, reg); - /* attempt to access a non-preserved register */ - return -UNW_EBADREG; -} - -#endif /* !UNW_REMOTE_ONLY */ - -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.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(); - - -#ifndef UNW_REMOTE_ONLY - memset (&local_addr_space, 0, sizeof (local_addr_space)); - ia64_script_cache_init (&local_addr_space.global_cache); - local_addr_space.caching_policy = UNW_CACHE_GLOBAL; - local_addr_space.acc.find_proc_info = _Uia64_find_proc_info; - local_addr_space.acc.access_mem = access_mem; - local_addr_space.acc.access_reg = access_reg; - local_addr_space.acc.access_fpreg = access_fpreg; - local_addr_space.acc.resume = ia64_local_resume; - unw_local_addr_space = &local_addr_space; -#endif -}