diff options
Diffstat (limited to '')
| -rw-r--r-- | web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-bin-debugger/tools/mrdb/apibreak.c | 507 |
1 files changed, 507 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-bin-debugger/tools/mrdb/apibreak.c b/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-bin-debugger/tools/mrdb/apibreak.c new file mode 100644 index 00000000..dead4b2a --- /dev/null +++ b/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-bin-debugger/tools/mrdb/apibreak.c @@ -0,0 +1,507 @@ +/* +** apibreak.c +** +*/ + +#include <string.h> +#include <mruby.h> +#include <mruby/irep.h> +#include "mrdb.h" +#include <mruby/debug.h> +#include <mruby/opcode.h> +#include <mruby/class.h> +#include <mruby/proc.h> +#include <mruby/variable.h> +#include "mrdberror.h" +#include "apibreak.h" + +#define MAX_BREAKPOINTNO (MAX_BREAKPOINT * 1024) +#define MRB_DEBUG_BP_FILE_OK (0x0001) +#define MRB_DEBUG_BP_LINENO_OK (0x0002) + +static uint16_t +check_lineno(mrb_irep_debug_info_file *info_file, uint16_t lineno) +{ + uint32_t count = info_file->line_entry_count; + uint16_t l_idx; + + if (info_file->line_type == mrb_debug_line_ary) { + for (l_idx = 0; l_idx < count; ++l_idx) { + if (lineno == info_file->lines.ary[l_idx]) { + return lineno; + } + } + } + else { + for (l_idx = 0; l_idx < count; ++l_idx) { + if (lineno == info_file->lines.flat_map[l_idx].line) { + return lineno; + } + } + } + + return 0; +} + +static int32_t +get_break_index(mrb_debug_context *dbg, uint32_t bpno) +{ + uint32_t i; + int32_t index; + char hit = FALSE; + + for(i = 0 ; i < dbg->bpnum; i++) { + if (dbg->bp[i].bpno == bpno) { + hit = TRUE; + index = i; + break; + } + } + + if (hit == FALSE) { + return MRB_DEBUG_BREAK_INVALID_NO; + } + + return index; +} + +static void +free_breakpoint(mrb_state *mrb, mrb_debug_breakpoint *bp) +{ + switch(bp->type) { + case MRB_DEBUG_BPTYPE_LINE: + mrb_free(mrb, (void*)bp->point.linepoint.file); + break; + case MRB_DEBUG_BPTYPE_METHOD: + mrb_free(mrb, (void*)bp->point.methodpoint.method_name); + if (bp->point.methodpoint.class_name != NULL) { + mrb_free(mrb, (void*)bp->point.methodpoint.class_name); + } + break; + default: + break; + } +} + +static uint16_t +check_file_lineno(struct mrb_irep *irep, const char *file, uint16_t lineno) +{ + mrb_irep_debug_info_file *info_file; + uint16_t result = 0; + uint16_t f_idx; + uint16_t fix_lineno; + uint16_t i; + + for (f_idx = 0; f_idx < irep->debug_info->flen; ++f_idx) { + info_file = irep->debug_info->files[f_idx]; + if (!strcmp(info_file->filename, file)) { + result = MRB_DEBUG_BP_FILE_OK; + + fix_lineno = check_lineno(info_file, lineno); + if (fix_lineno != 0) { + return result | MRB_DEBUG_BP_LINENO_OK; + } + } + for (i=0; i < irep->rlen; ++i) { + result |= check_file_lineno(irep->reps[i], file, lineno); + if (result == (MRB_DEBUG_BP_FILE_OK | MRB_DEBUG_BP_LINENO_OK)) { + return result; + } + } + } + return result; +} + +static int32_t +compare_break_method(mrb_state *mrb, mrb_debug_breakpoint *bp, struct RClass *class_obj, mrb_sym method_sym, mrb_bool* isCfunc) +{ + const char* class_name; + const char* method_name; + struct RProc* m; + struct RClass* sc; + const char* sn; + mrb_sym ssym; + mrb_debug_methodpoint *method_p; + mrb_bool is_defined; + + method_name = mrb_sym2name(mrb, method_sym); + + method_p = &bp->point.methodpoint; + if (strcmp(method_p->method_name, method_name) == 0) { + class_name = mrb_class_name(mrb, class_obj); + if (class_name == NULL) { + if (method_p->class_name == NULL) { + return bp->bpno; + } + } + else if (method_p->class_name != NULL) { + m = mrb_method_search_vm(mrb, &class_obj, method_sym); + if (m == NULL) { + return MRB_DEBUG_OK; + } + if (MRB_PROC_CFUNC_P(m)) { + *isCfunc = TRUE; + } + + is_defined = mrb_class_defined(mrb, method_p->class_name); + if (is_defined == FALSE) { + return MRB_DEBUG_OK; + } + + sc = mrb_class_get(mrb, method_p->class_name); + ssym = mrb_symbol(mrb_check_intern_cstr(mrb, method_p->method_name)); + m = mrb_method_search_vm(mrb, &sc, ssym); + if (m == NULL) { + return MRB_DEBUG_OK; + } + + class_name = mrb_class_name(mrb, class_obj); + sn = mrb_class_name(mrb, sc); + if (strcmp(sn, class_name) == 0) { + return bp->bpno; + } + } + } + return MRB_DEBUG_OK; +} + +int32_t +mrb_debug_set_break_line(mrb_state *mrb, mrb_debug_context *dbg, const char *file, uint16_t lineno) +{ + int32_t index; + char* set_file; + uint16_t result; + + if ((mrb == NULL)||(dbg == NULL)||(file == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + if (dbg->bpnum >= MAX_BREAKPOINT) { + return MRB_DEBUG_BREAK_NUM_OVER; + } + + if (dbg->next_bpno > MAX_BREAKPOINTNO) { + return MRB_DEBUG_BREAK_NO_OVER; + } + + /* file and lineno check (line type mrb_debug_line_ary only.) */ + result = check_file_lineno(dbg->root_irep, file, lineno); + if (result == 0) { + return MRB_DEBUG_BREAK_INVALID_FILE; + } + else if (result == MRB_DEBUG_BP_FILE_OK) { + return MRB_DEBUG_BREAK_INVALID_LINENO; + } + + set_file = mrb_malloc(mrb, strlen(file) + 1); + + index = dbg->bpnum; + dbg->bp[index].bpno = dbg->next_bpno; + dbg->next_bpno++; + dbg->bp[index].enable = TRUE; + dbg->bp[index].type = MRB_DEBUG_BPTYPE_LINE; + dbg->bp[index].point.linepoint.lineno = lineno; + dbg->bpnum++; + + strncpy(set_file, file, strlen(file) + 1); + + dbg->bp[index].point.linepoint.file = set_file; + + return dbg->bp[index].bpno; +} + +int32_t +mrb_debug_set_break_method(mrb_state *mrb, mrb_debug_context *dbg, const char *class_name, const char *method_name) +{ + int32_t index; + char* set_class; + char* set_method; + + if ((mrb == NULL) || (dbg == NULL) || (method_name == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + if (dbg->bpnum >= MAX_BREAKPOINT) { + return MRB_DEBUG_BREAK_NUM_OVER; + } + + if (dbg->next_bpno > MAX_BREAKPOINTNO) { + return MRB_DEBUG_BREAK_NO_OVER; + } + + if (class_name != NULL) { + set_class = mrb_malloc(mrb, strlen(class_name) + 1); + strncpy(set_class, class_name, strlen(class_name) + 1); + } + else { + set_class = NULL; + } + + set_method = mrb_malloc(mrb, strlen(method_name) + 1); + + strncpy(set_method, method_name, strlen(method_name) + 1); + + index = dbg->bpnum; + dbg->bp[index].bpno = dbg->next_bpno; + dbg->next_bpno++; + dbg->bp[index].enable = TRUE; + dbg->bp[index].type = MRB_DEBUG_BPTYPE_METHOD; + dbg->bp[index].point.methodpoint.method_name = set_method; + dbg->bp[index].point.methodpoint.class_name = set_class; + dbg->bpnum++; + + return dbg->bp[index].bpno; +} + +int32_t +mrb_debug_get_breaknum(mrb_state *mrb, mrb_debug_context *dbg) +{ + if ((mrb == NULL) || (dbg == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + return dbg->bpnum; +} + +int32_t +mrb_debug_get_break_all(mrb_state *mrb, mrb_debug_context *dbg, uint32_t size, mrb_debug_breakpoint *bp) +{ + uint32_t get_size = 0; + + if ((mrb == NULL) || (dbg == NULL) || (bp == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + if (dbg->bpnum >= size) { + get_size = size; + } + else { + get_size = dbg->bpnum; + } + + memcpy(bp, dbg->bp, sizeof(mrb_debug_breakpoint) * get_size); + + return get_size; +} + +int32_t +mrb_debug_get_break(mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno, mrb_debug_breakpoint *bp) +{ + int32_t index; + + if ((mrb == NULL) || (dbg == NULL) || (bp == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + index = get_break_index(dbg, bpno); + if (index == MRB_DEBUG_BREAK_INVALID_NO) { + return MRB_DEBUG_BREAK_INVALID_NO; + } + + bp->bpno = dbg->bp[index].bpno; + bp->enable = dbg->bp[index].enable; + bp->point = dbg->bp[index].point; + bp->type = dbg->bp[index].type; + + return 0; +} + +int32_t +mrb_debug_delete_break(mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno) +{ + uint32_t i; + int32_t index; + + if ((mrb == NULL) ||(dbg == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + index = get_break_index(dbg, bpno); + if (index == MRB_DEBUG_BREAK_INVALID_NO) { + return MRB_DEBUG_BREAK_INVALID_NO; + } + + free_breakpoint(mrb, &dbg->bp[index]); + + for(i = index ; i < dbg->bpnum; i++) { + if ((i + 1) == dbg->bpnum) { + memset(&dbg->bp[i], 0, sizeof(mrb_debug_breakpoint)); + } + else { + memcpy(&dbg->bp[i], &dbg->bp[i + 1], sizeof(mrb_debug_breakpoint)); + } + } + + dbg->bpnum--; + + return MRB_DEBUG_OK; +} + +int32_t +mrb_debug_delete_break_all(mrb_state *mrb, mrb_debug_context *dbg) +{ + uint32_t i; + + if ((mrb == NULL) || (dbg == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + for(i = 0 ; i < dbg->bpnum ; i++) { + free_breakpoint(mrb, &dbg->bp[i]); + } + + dbg->bpnum = 0; + + return MRB_DEBUG_OK; +} + +int32_t +mrb_debug_enable_break(mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno) +{ + int32_t index = 0; + + if ((mrb == NULL) || (dbg == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + index = get_break_index(dbg, bpno); + if (index == MRB_DEBUG_BREAK_INVALID_NO) { + return MRB_DEBUG_BREAK_INVALID_NO; + } + + dbg->bp[index].enable = TRUE; + + return MRB_DEBUG_OK; +} + +int32_t +mrb_debug_enable_break_all(mrb_state *mrb, mrb_debug_context *dbg) +{ + uint32_t i; + + if ((mrb == NULL) || (dbg == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + for(i = 0 ; i < dbg->bpnum; i++) { + dbg->bp[i].enable = TRUE; + } + + return MRB_DEBUG_OK; +} + +int32_t +mrb_debug_disable_break(mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno) +{ + int32_t index = 0; + + if ((mrb == NULL) || (dbg == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + index = get_break_index(dbg, bpno); + if (index == MRB_DEBUG_BREAK_INVALID_NO) { + return MRB_DEBUG_BREAK_INVALID_NO; + } + + dbg->bp[index].enable = FALSE; + + return MRB_DEBUG_OK; +} + +int32_t +mrb_debug_disable_break_all(mrb_state *mrb, mrb_debug_context *dbg) +{ + uint32_t i; + + if ((mrb == NULL) || (dbg == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + for(i = 0 ; i < dbg->bpnum; i++) { + dbg->bp[i].enable = FALSE; + } + + return MRB_DEBUG_OK; +} + +static mrb_bool +check_start_pc_for_line(mrb_irep *irep, mrb_code *pc, uint16_t line) +{ + if (pc > irep->iseq) { + if (line == mrb_debug_get_line(irep, pc - irep->iseq - 1)) { + return FALSE; + } + } + return TRUE; +} + +int32_t +mrb_debug_check_breakpoint_line(mrb_state *mrb, mrb_debug_context *dbg, const char *file, uint16_t line) +{ + mrb_debug_breakpoint *bp; + mrb_debug_linepoint *line_p; + uint32_t i; + + if ((mrb == NULL) || (dbg == NULL) || (file == NULL) || (line <= 0)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + if (!check_start_pc_for_line(dbg->irep, dbg->pc, line)) { + return MRB_DEBUG_OK; + } + + bp = dbg->bp; + for(i=0; i<dbg->bpnum; i++) { + switch (bp->type) { + case MRB_DEBUG_BPTYPE_LINE: + if (bp->enable == TRUE) { + line_p = &bp->point.linepoint; + if ((strcmp(line_p->file, file) == 0) && (line_p->lineno == line)) { + return bp->bpno; + } + } + break; + case MRB_DEBUG_BPTYPE_METHOD: + break; + case MRB_DEBUG_BPTYPE_NONE: + default: + return MRB_DEBUG_OK; + } + bp++; + } + return MRB_DEBUG_OK; +} + + +int32_t +mrb_debug_check_breakpoint_method(mrb_state *mrb, mrb_debug_context *dbg, struct RClass *class_obj, mrb_sym method_sym, mrb_bool* isCfunc) +{ + mrb_debug_breakpoint *bp; + int32_t bpno; + uint32_t i; + + if ((mrb == NULL) || (dbg == NULL) || (class_obj == NULL)) { + return MRB_DEBUG_INVALID_ARGUMENT; + } + + bp = dbg->bp; + for(i=0; i<dbg->bpnum; i++) { + if (bp->type == MRB_DEBUG_BPTYPE_METHOD) { + if (bp->enable == TRUE) { + bpno = compare_break_method(mrb, bp, class_obj, method_sym, isCfunc); + if (bpno > 0) { + return bpno; + } + } + } + else if (bp->type == MRB_DEBUG_BPTYPE_NONE) { + break; + } + bp++; + } + + return 0; +} + + |