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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 11:19:16 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 12:07:37 +0000 |
commit | b485aab7e71c1625cfc27e0f92c9509f42378458 (patch) | |
tree | ae9abe108601079d1679194de237c9a435ae5b55 /web/server/h2o/libh2o/deps/mruby/src/debug.c | |
parent | Adding upstream version 1.44.3. (diff) | |
download | netdata-b485aab7e71c1625cfc27e0f92c9509f42378458.tar.xz netdata-b485aab7e71c1625cfc27e0f92c9509f42378458.zip |
Adding upstream version 1.45.3+dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'web/server/h2o/libh2o/deps/mruby/src/debug.c')
-rw-r--r-- | web/server/h2o/libh2o/deps/mruby/src/debug.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/web/server/h2o/libh2o/deps/mruby/src/debug.c b/web/server/h2o/libh2o/deps/mruby/src/debug.c deleted file mode 100644 index e55f11d4f..000000000 --- a/web/server/h2o/libh2o/deps/mruby/src/debug.c +++ /dev/null @@ -1,217 +0,0 @@ -#include <string.h> -#include <mruby.h> -#include <mruby/irep.h> -#include <mruby/debug.h> - -static mrb_irep_debug_info_file* -get_file(mrb_irep_debug_info *info, uint32_t pc) -{ - mrb_irep_debug_info_file **ret; - int32_t count; - - if (pc >= info->pc_count) { return NULL; } - /* get upper bound */ - ret = info->files; - count = info->flen; - while (count > 0) { - int32_t step = count / 2; - mrb_irep_debug_info_file **it = ret + step; - if (!(pc < (*it)->start_pos)) { - ret = it + 1; - count -= step + 1; - } - else { count = step; } - } - - --ret; - - /* check returning file exists inside debug info */ - mrb_assert(info->files <= ret && ret < (info->files + info->flen)); - /* check pc is within the range of returning file */ - mrb_assert((*ret)->start_pos <= pc && - pc < (((ret + 1 - info->files) < info->flen) - ? (*(ret+1))->start_pos : info->pc_count)); - - return *ret; -} - -static mrb_debug_line_type -select_line_type(const uint16_t *lines, size_t lines_len) -{ - size_t line_count = 0; - int prev_line = -1; - size_t i; - for (i = 0; i < lines_len; ++i) { - if (lines[i] != prev_line) { - ++line_count; - } - } - return (sizeof(uint16_t) * lines_len) <= (sizeof(mrb_irep_debug_info_line) * line_count) - ? mrb_debug_line_ary : mrb_debug_line_flat_map; -} - -MRB_API char const* -mrb_debug_get_filename(mrb_irep *irep, ptrdiff_t pc) -{ - if (irep && pc >= 0 && pc < irep->ilen) { - mrb_irep_debug_info_file* f = NULL; - if (!irep->debug_info) { return irep->filename; } - else if ((f = get_file(irep->debug_info, (uint32_t)pc))) { - return f->filename; - } - } - return NULL; -} - -MRB_API int32_t -mrb_debug_get_line(mrb_irep *irep, ptrdiff_t pc) -{ - if (irep && pc >= 0 && pc < irep->ilen) { - mrb_irep_debug_info_file* f = NULL; - if (!irep->debug_info) { - return irep->lines? irep->lines[pc] : -1; - } - else if ((f = get_file(irep->debug_info, (uint32_t)pc))) { - switch (f->line_type) { - case mrb_debug_line_ary: - mrb_assert(f->start_pos <= pc && pc < (f->start_pos + f->line_entry_count)); - return f->lines.ary[pc - f->start_pos]; - - case mrb_debug_line_flat_map: { - /* get upper bound */ - mrb_irep_debug_info_line *ret = f->lines.flat_map; - uint32_t count = f->line_entry_count; - while (count > 0) { - int32_t step = count / 2; - mrb_irep_debug_info_line *it = ret + step; - if (!(pc < it->start_pos)) { - ret = it + 1; - count -= step + 1; - } - else { count = step; } - } - - --ret; - - /* check line entry pointer range */ - mrb_assert(f->lines.flat_map <= ret && ret < (f->lines.flat_map + f->line_entry_count)); - /* check pc range */ - mrb_assert(ret->start_pos <= pc && - pc < (((uint32_t)(ret + 1 - f->lines.flat_map) < f->line_entry_count) - ? (ret+1)->start_pos : irep->debug_info->pc_count)); - - return ret->line; - } - } - } - } - return -1; -} - -MRB_API mrb_irep_debug_info* -mrb_debug_info_alloc(mrb_state *mrb, mrb_irep *irep) -{ - static const mrb_irep_debug_info initial = { 0, 0, NULL }; - mrb_irep_debug_info *ret; - - mrb_assert(!irep->debug_info); - ret = (mrb_irep_debug_info *)mrb_malloc(mrb, sizeof(*ret)); - *ret = initial; - irep->debug_info = ret; - return ret; -} - -MRB_API mrb_irep_debug_info_file* -mrb_debug_info_append_file(mrb_state *mrb, mrb_irep *irep, - uint32_t start_pos, uint32_t end_pos) -{ - mrb_irep_debug_info *info; - mrb_irep_debug_info_file *ret; - uint32_t file_pc_count; - size_t fn_len; - mrb_int len; - uint32_t i; - - if (!irep->debug_info) { return NULL; } - - mrb_assert(irep->filename); - mrb_assert(irep->lines); - - info = irep->debug_info; - - if (info->flen > 0 && strcmp(irep->filename, info->files[info->flen - 1]->filename) == 0) { - return NULL; - } - - ret = (mrb_irep_debug_info_file *)mrb_malloc(mrb, sizeof(*ret)); - info->files = - (mrb_irep_debug_info_file**)( - info->files - ? mrb_realloc(mrb, info->files, sizeof(mrb_irep_debug_info_file*) * (info->flen + 1)) - : mrb_malloc(mrb, sizeof(mrb_irep_debug_info_file*))); - info->files[info->flen++] = ret; - - file_pc_count = end_pos - start_pos; - - ret->start_pos = start_pos; - info->pc_count = end_pos; - - fn_len = strlen(irep->filename); - ret->filename_sym = mrb_intern(mrb, irep->filename, fn_len); - len = 0; - ret->filename = mrb_sym2name_len(mrb, ret->filename_sym, &len); - - ret->line_type = select_line_type(irep->lines + start_pos, end_pos - start_pos); - ret->lines.ptr = NULL; - - switch (ret->line_type) { - case mrb_debug_line_ary: - ret->line_entry_count = file_pc_count; - ret->lines.ary = (uint16_t*)mrb_malloc(mrb, sizeof(uint16_t) * file_pc_count); - for (i = 0; i < file_pc_count; ++i) { - ret->lines.ary[i] = irep->lines[start_pos + i]; - } - break; - - case mrb_debug_line_flat_map: { - uint16_t prev_line = 0; - mrb_irep_debug_info_line m; - ret->lines.flat_map = (mrb_irep_debug_info_line*)mrb_malloc(mrb, sizeof(mrb_irep_debug_info_line) * 1); - ret->line_entry_count = 0; - for (i = 0; i < file_pc_count; ++i) { - if (irep->lines[start_pos + i] == prev_line) { continue; } - - ret->lines.flat_map = (mrb_irep_debug_info_line*)mrb_realloc( - mrb, ret->lines.flat_map, - sizeof(mrb_irep_debug_info_line) * (ret->line_entry_count + 1)); - m.start_pos = start_pos + i; - m.line = irep->lines[start_pos + i]; - ret->lines.flat_map[ret->line_entry_count] = m; - - /* update */ - ++ret->line_entry_count; - prev_line = irep->lines[start_pos + i]; - } - } break; - - default: mrb_assert(0); break; - } - - return ret; -} - -MRB_API void -mrb_debug_info_free(mrb_state *mrb, mrb_irep_debug_info *d) -{ - uint32_t i; - - if (!d) { return; } - - for (i = 0; i < d->flen; ++i) { - mrb_assert(d->files[i]); - mrb_free(mrb, d->files[i]->lines.ptr); - mrb_free(mrb, d->files[i]); - } - mrb_free(mrb, d->files); - mrb_free(mrb, d); -} |