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author	Jakub Jelinek <jakub@redhat.com>	2012-12-11 19:01:09 +0100
committer	Jakub Jelinek <jakub@gcc.gnu.org>	2012-12-11 19:01:09 +0100
commit	d0608e59b8fb862175eb6527228f433e708453b6 (patch)
tree	e6e5397b14a9a35d92d2010b6261c51a1195d6a4 /libjava/classpath/lib/java/security/InvalidKeyException.class
parent	0ab19cbc7a46a3d3846e475a83f01717995e4bd4 (diff)
download	gcc-d0608e59b8fb862175eb6527228f433e708453b6.zip gcc-d0608e59b8fb862175eb6527228f433e708453b6.tar.gz gcc-d0608e59b8fb862175eb6527228f433e708453b6.tar.bz2

re PR rtl-optimization/55193 (ICE in in simplify_const_unary_operation, at simplify-rtx.c:1659)

PR rtl-optimization/55193 * lra-constraints.c (loc_equivalence_callback): New function. (lra_constraints): Call simplify_replace_fn_rtx instead of loc_equivalence_change_p on DEBUG_INSNs. From-SVN: r194405

Diffstat (limited to 'libjava/classpath/lib/java/security/InvalidKeyException.class')

0 files changed, 0 insertions, 0 deletions

// SPDX-License-Identifier: GPL-2.0-or-later /*************************************************************************** * Copyright (C) 2011 by Broadcom Corporation * * Evan Hunter - ehunter@broadcom.com * ***************************************************************************/ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "rtos.h" #include "target/target.h" #include "target/smp.h" #include "helper/log.h" #include "helper/binarybuffer.h" #include "server/gdb_server.h" static const struct rtos_type *rtos_types[] = { &threadx_rtos, &freertos_rtos, &ecos_rtos, &linux_rtos, &chibios_rtos, &chromium_ec_rtos, &embkernel_rtos, &mqx_rtos, &ucos_iii_rtos, &nuttx_rtos, &riot_rtos, &zephyr_rtos, &rtkernel_rtos, /* keep this as last, as it always matches with rtos auto */ &hwthread_rtos, NULL }; static int rtos_try_next(struct target *target); int rtos_smp_init(struct target *target) { if (target->rtos->type->smp_init) return target->rtos->type->smp_init(target); return ERROR_TARGET_INIT_FAILED; } static int rtos_target_for_threadid(struct connection *connection, threadid_t threadid, struct target **t) { struct target *curr = get_target_from_connection(connection); if (t) *t = curr; return ERROR_OK; } static int os_alloc(struct target *target, const struct rtos_type *ostype, struct command_context *cmd_ctx) { struct rtos *os = target->rtos = calloc(1, sizeof(struct rtos)); if (!os) return JIM_ERR; os->type = ostype; os->current_threadid = -1; os->current_thread = 0; os->symbols = NULL; os->target = target; /* RTOS drivers can override the packet handler in _create(). */ os->gdb_thread_packet = rtos_thread_packet; os->gdb_target_for_threadid = rtos_target_for_threadid; os->cmd_ctx = cmd_ctx; return JIM_OK; } static void os_free(struct target *target) { if (!target->rtos) return; free(target->rtos->symbols); free(target->rtos); target->rtos = NULL; } static int os_alloc_create(struct target *target, const struct rtos_type *ostype, struct command_context *cmd_ctx) { int ret = os_alloc(target, ostype, cmd_ctx); if (ret == JIM_OK) { ret = target->rtos->type->create(target); if (ret != JIM_OK) os_free(target); } return ret; } int rtos_create(struct jim_getopt_info *goi, struct target *target) { int x; const char *cp; Jim_Obj *res; int e; if (!goi->isconfigure && goi->argc != 0) { Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS"); return JIM_ERR; } struct command_context *cmd_ctx = current_command_context(goi->interp); os_free(target); e = jim_getopt_string(goi, &cp, NULL); if (e != JIM_OK) return e; if (strcmp(cp, "none") == 0) return JIM_OK; if (strcmp(cp, "auto") == 0) { /* Auto detect tries to look up all symbols for each RTOS, * and runs the RTOS driver's _detect() function when GDB * finds all symbols for any RTOS. See rtos_qsymbol(). */ target->rtos_auto_detect = true; /* rtos_qsymbol() will iterate over all RTOSes. Allocate * target->rtos here, and set it to the first RTOS type. */ return os_alloc(target, rtos_types[0], cmd_ctx); } for (x = 0; rtos_types[x]; x++) if (strcmp(cp, rtos_types[x]->name) == 0) return os_alloc_create(target, rtos_types[x], cmd_ctx); Jim_SetResultFormatted(goi->interp, "Unknown RTOS type %s, try one of: ", cp); res = Jim_GetResult(goi->interp); for (x = 0; rtos_types[x]; x++) Jim_AppendStrings(goi->interp, res, rtos_types[x]->name, ", ", NULL); Jim_AppendStrings(goi->interp, res, ", auto or none", NULL); return JIM_ERR; } void rtos_destroy(struct target *target) { os_free(target); } int gdb_thread_packet(struct connection *connection, char const *packet, int packet_size) { struct target *target = get_target_from_connection(connection); if (!target->rtos) return rtos_thread_packet(connection, packet, packet_size); /* thread not *found*/ return target->rtos->gdb_thread_packet(connection, packet, packet_size); } static struct symbol_table_elem *find_symbol(const struct rtos *os, const char *symbol) { struct symbol_table_elem *s; for (s = os->symbols; s->symbol_name; s++) if (!strcmp(s->symbol_name, symbol)) return s; return NULL; } static struct symbol_table_elem *next_symbol(struct rtos *os, char *cur_symbol, uint64_t cur_addr) { if (!os->symbols) os->type->get_symbol_list_to_lookup(&os->symbols); if (!cur_symbol[0]) return &os->symbols[0]; struct symbol_table_elem *s = find_symbol(os, cur_symbol); if (!s) return NULL; s->address = cur_addr; s++; return s; } /* rtos_qsymbol() processes and replies to all qSymbol packets from GDB. * * GDB sends a qSymbol:: packet (empty address, empty name) to notify * that it can now answer qSymbol::hexcodedname queries, to look up symbols. * * If the qSymbol packet has no address that means GDB did not find the * symbol, in which case auto-detect will move on to try the next RTOS. * * rtos_qsymbol() then calls the next_symbol() helper function, which * iterates over symbol names for the current RTOS until it finds the * symbol in the received GDB packet, and then returns the next entry * in the list of symbols. * * If GDB replied about the last symbol for the RTOS and the RTOS was * specified explicitly, then no further symbol lookup is done. When * auto-detecting, the RTOS driver _detect() function must return success. * * The symbol is tried twice to handle the -flto case with gcc. The first * attempt uses the symbol as-is, and the second attempt tries the symbol * with ".lto_priv.0" appended to it. We only consider the first static * symbol here from the -flto case. (Each subsequent static symbol with * the same name is exported as .lto_priv.1, .lto_priv.2, etc.) * * rtos_qsymbol() returns 1 if an RTOS has been detected, or 0 otherwise. */ int rtos_qsymbol(struct connection *connection, char const *packet, int packet_size) { int rtos_detected = 0; uint64_t addr = 0; size_t reply_len; char reply[GDB_BUFFER_SIZE + 1], cur_sym[GDB_BUFFER_SIZE / 2 + 1] = ""; /* Extra byte for null-termination */ struct symbol_table_elem *next_sym = NULL; struct target *target = get_target_from_connection(connection); struct rtos *os = target->rtos; reply_len = sprintf(reply, "OK"); if (!os) goto done; /* Decode any symbol name in the packet*/ size_t len = unhexify((uint8_t *)cur_sym, strchr(packet + 8, ':') + 1, strlen(strchr(packet + 8, ':') + 1)); cur_sym[len] = 0; const char no_suffix[] = ""; const char lto_suffix[] = ".lto_priv.0"; const size_t lto_suffix_len = strlen(lto_suffix); const char *cur_suffix; const char *next_suffix; /* Detect what suffix was used during the previous symbol lookup attempt, and * speculatively determine the next suffix (only used for the unknown address case) */ if (len > lto_suffix_len && !strcmp(cur_sym + len - lto_suffix_len, lto_suffix)) { /* Trim the suffix from cur_sym for comparison purposes below */ cur_sym[len - lto_suffix_len] = '\0'; cur_suffix = lto_suffix; next_suffix = NULL; } else { cur_suffix = no_suffix; next_suffix = lto_suffix; } if ((strcmp(packet, "qSymbol::") != 0) && /* GDB is not offering symbol lookup for the first time */ (!sscanf(packet, "qSymbol:%" SCNx64 ":", &addr))) { /* GDB did not find an address for a symbol */ /* GDB could not find an address for the previous symbol */ struct symbol_table_elem *sym = find_symbol(os, cur_sym); if (next_suffix) { next_sym = sym; } else if (sym && !sym->optional) { /* the symbol is mandatory for this RTOS */ if (!target->rtos_auto_detect) { LOG_WARNING("RTOS %s not detected. (GDB could not find symbol \'%s\')", os->type->name, cur_sym); goto done; } else { /* Autodetecting RTOS - try next RTOS */ if (!rtos_try_next(target)) { LOG_WARNING("No RTOS could be auto-detected!"); goto done; } /* Next RTOS selected - invalidate current symbol */ cur_sym[0] = '\x00'; } } } LOG_DEBUG("RTOS: Address of symbol '%s%s' is 0x%" PRIx64, cur_sym, cur_suffix, addr); if (!next_sym) { next_sym = next_symbol(os, cur_sym, addr); next_suffix = no_suffix; } /* Should never happen unless the debugger misbehaves */ if (!next_sym) { LOG_WARNING("RTOS: Debugger sent us qSymbol with '%s%s' that we did not ask for", cur_sym, cur_suffix); goto done; } if (!next_sym->symbol_name) { /* No more symbols need looking up */ if (!target->rtos_auto_detect) { rtos_detected = 1; goto done; } if (os->type->detect_rtos(target)) { LOG_INFO("Auto-detected RTOS: %s", os->type->name); rtos_detected = 1; goto done; } else { LOG_WARNING("No RTOS could be auto-detected!"); goto done; } } assert(next_suffix); reply_len = 8; /* snprintf(..., "qSymbol:") */ reply_len += 2 * strlen(next_sym->symbol_name); /* hexify(..., next_sym->symbol_name, ...) */ reply_len += 2 * strlen(next_suffix); /* hexify(..., next_suffix, ...) */ reply_len += 1; /* Terminating NUL */ if (reply_len > sizeof(reply)) { LOG_ERROR("ERROR: RTOS symbol '%s%s' name is too long for GDB!", next_sym->symbol_name, next_suffix); goto done; } LOG_DEBUG("RTOS: Requesting symbol lookup of '%s%s' from the debugger", next_sym->symbol_name, next_suffix); reply_len = snprintf(reply, sizeof(reply), "qSymbol:"); reply_len += hexify(reply + reply_len, (const uint8_t *)next_sym->symbol_name, strlen(next_sym->symbol_name), sizeof(reply) - reply_len); reply_len += hexify(reply + reply_len, (const uint8_t *)next_suffix, strlen(next_suffix), sizeof(reply) - reply_len); done: gdb_put_packet(connection, reply, reply_len); return rtos_detected; } int rtos_thread_packet(struct connection *connection, char const *packet, int packet_size) { struct target *target = get_target_from_connection(connection); if (strncmp(packet, "qThreadExtraInfo,", 17) == 0) { if ((target->rtos) && (target->rtos->thread_details) && (target->rtos->thread_count != 0)) { threadid_t threadid = 0; int found = -1; sscanf(packet, "qThreadExtraInfo,%" SCNx64, &threadid); if ((target->rtos) && (target->rtos->thread_details)) { int thread_num; for (thread_num = 0; thread_num < target->rtos->thread_count; thread_num++) { if (target->rtos->thread_details[thread_num].threadid == threadid) { if (target->rtos->thread_details[thread_num].exists) found = thread_num; } } } if (found == -1) { gdb_put_packet(connection, "E01", 3); /* thread not found */ return ERROR_OK; } struct thread_detail *detail = &target->rtos->thread_details[found]; int str_size = 0; if (detail->thread_name_str) str_size += strlen(detail->thread_name_str); if (detail->extra_info_str) str_size += strlen(detail->extra_info_str); char *tmp_str = calloc(str_size + 9, sizeof(char)); char *tmp_str_ptr = tmp_str; if (detail->thread_name_str) tmp_str_ptr += sprintf(tmp_str_ptr, "Name: %s", detail->thread_name_str); if (detail->extra_info_str) { if (tmp_str_ptr != tmp_str) tmp_str_ptr += sprintf(tmp_str_ptr, ", "); tmp_str_ptr += sprintf(tmp_str_ptr, "%s", detail->extra_info_str); } assert(strlen(tmp_str) == (size_t) (tmp_str_ptr - tmp_str)); char *hex_str = malloc(strlen(tmp_str) * 2 + 1); size_t pkt_len = hexify(hex_str, (const uint8_t *)tmp_str, strlen(tmp_str), strlen(tmp_str) * 2 + 1); gdb_put_packet(connection, hex_str, pkt_len); free(hex_str); free(tmp_str); return ERROR_OK; } gdb_put_packet(connection, "", 0); return ERROR_OK; } else if (strncmp(packet, "qSymbol", 7) == 0) { if (rtos_qsymbol(connection, packet, packet_size) == 1) { if (target->rtos_auto_detect == true) { target->rtos_auto_detect = false; target->rtos->type->create(target); } target->rtos->type->update_threads(target->rtos); } return ERROR_OK; } else if (strncmp(packet, "qfThreadInfo", 12) == 0) { int i; if (target->rtos) { if (target->rtos->thread_count == 0) { gdb_put_packet(connection, "l", 1); } else { /*thread id are 16 char +1 for ',' */ char *out_str = malloc(17 * target->rtos->thread_count + 1); char *tmp_str = out_str; for (i = 0; i < target->rtos->thread_count; i++) { tmp_str += sprintf(tmp_str, "%c%016" PRIx64, i == 0 ? 'm' : ',', target->rtos->thread_details[i].threadid); } gdb_put_packet(connection, out_str, strlen(out_str)); free(out_str); } } else gdb_put_packet(connection, "l", 1); return ERROR_OK; } else if (strncmp(packet, "qsThreadInfo", 12) == 0) { gdb_put_packet(connection, "l", 1); return ERROR_OK; } else if (strncmp(packet, "qAttached", 9) == 0) { gdb_put_packet(connection, "1", 1); return ERROR_OK; } else if (strncmp(packet, "qOffsets", 8) == 0) { char offsets[] = "Text=0;Data=0;Bss=0"; gdb_put_packet(connection, offsets, sizeof(offsets)-1); return ERROR_OK; } else if (strncmp(packet, "qCRC:", 5) == 0) { /* make sure we check this before "qC" packet below * otherwise it gets incorrectly handled */ return GDB_THREAD_PACKET_NOT_CONSUMED; } else if (strncmp(packet, "qC", 2) == 0) { if (target->rtos) { char buffer[19]; int size; size = snprintf(buffer, 19, "QC%016" PRIx64, target->rtos->current_thread); gdb_put_packet(connection, buffer, size); } else gdb_put_packet(connection, "QC0", 3); return ERROR_OK; } else if (packet[0] == 'T') { /* Is thread alive? */ threadid_t threadid; int found = -1; sscanf(packet, "T%" SCNx64, &threadid); if ((target->rtos) && (target->rtos->thread_details)) { int thread_num; for (thread_num = 0; thread_num < target->rtos->thread_count; thread_num++) { if (target->rtos->thread_details[thread_num].threadid == threadid) { if (target->rtos->thread_details[thread_num].exists) found = thread_num; } } } if (found != -1) gdb_put_packet(connection, "OK", 2); /* thread alive */ else gdb_put_packet(connection, "E01", 3); /* thread not found */ return ERROR_OK; } else if (packet[0] == 'H') { /* Set current thread ( 'c' for step and continue, 'g' for * all other operations ) */ if ((packet[1] == 'g') && (target->rtos)) { threadid_t threadid; sscanf(packet, "Hg%16" SCNx64, &threadid); LOG_DEBUG("RTOS: GDB requested to set current thread to 0x%" PRIx64, threadid); /* threadid of 0 indicates target should choose */ if (threadid == 0) target->rtos->current_threadid = target->rtos->current_thread; else target->rtos->current_threadid = threadid; } gdb_put_packet(connection, "OK", 2); return ERROR_OK; } return GDB_THREAD_PACKET_NOT_CONSUMED; } static int rtos_put_gdb_reg_list(struct connection *connection, struct rtos_reg *reg_list, int num_regs) { size_t num_bytes = 1; /* NUL */ for (int i = 0; i < num_regs; ++i) num_bytes += DIV_ROUND_UP(reg_list[i].size, 8) * 2; char *hex = malloc(num_bytes); char *hex_p = hex; for (int i = 0; i < num_regs; ++i) { size_t count = DIV_ROUND_UP(reg_list[i].size, 8); size_t n = hexify(hex_p, reg_list[i].value, count, num_bytes); hex_p += n; num_bytes -= n; } gdb_put_packet(connection, hex, strlen(hex)); free(hex); return ERROR_OK; } /** Look through all registers to find this register. */ int rtos_get_gdb_reg(struct connection *connection, int reg_num) { struct target *target = get_target_from_connection(connection); threadid_t current_threadid = target->rtos->current_threadid; if (!target->rtos || current_threadid == -1 || current_threadid == 0 || (current_threadid == target->rtos->current_thread && !target->smp)) { /* in smp several current thread are possible */ return ERROR_NOT_IMPLEMENTED; } struct rtos_reg *reg_list; int num_regs; LOG_TARGET_DEBUG(target, "getting register %d for thread 0x%" PRIx64 ", target->rtos->current_thread=0x%" PRIx64, reg_num, current_threadid, target->rtos->current_thread); int retval; if (target->rtos->type->get_thread_reg_value) { uint32_t reg_size; uint8_t *reg_value; retval = target->rtos->type->get_thread_reg_value(target->rtos, current_threadid, reg_num, &reg_size, &reg_value); if (retval != ERROR_OK) { LOG_ERROR("RTOS: failed to get register %d", reg_num); return retval; } /* Create a reg_list with one register that can * accommodate the full size of the one we just got the * value for. To do that we allocate extra space off the * end of the struct, relying on the fact that * rtos_reg.value is the last element in the struct. */ reg_list = calloc(1, sizeof(*reg_list) + DIV_ROUND_UP(reg_size, 8)); if (!reg_list) { free(reg_value); LOG_ERROR("Failed to allocated reg_list for %d-byte register.", reg_size); return ERROR_FAIL; } reg_list[0].number = reg_num; reg_list[0].size = reg_size; memcpy(&reg_list[0].value, reg_value, DIV_ROUND_UP(reg_size, 8)); free(reg_value);


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