Lines Matching +full:line +full:- +full:name
2 * dwarf-aux.c : libdw auxiliary interfaces
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 #include "dwarf-aux.h"
29 * cu_find_realpath - Find the realpath of the target file
60 * cu_get_comp_dir - Get the path of compilation directory
76 * cu_find_lineinfo - Get a line number and file name for given address
79 * @fname: a pointer which returns the file name string
80 * @lineno: a pointer which returns the line number
82 * Find a line number and file name for @addr in @cu_die.
87 Dwarf_Line *line; in cu_find_lineinfo() local
90 line = dwarf_getsrc_die(cu_die, (Dwarf_Addr)addr); in cu_find_lineinfo()
91 if (line && dwarf_lineaddr(line, &laddr) == 0 && in cu_find_lineinfo()
92 addr == (unsigned long)laddr && dwarf_lineno(line, lineno) == 0) { in cu_find_lineinfo()
93 *fname = dwarf_linesrc(line, NULL, NULL); in cu_find_lineinfo()
95 /* line number is useless without filename */ in cu_find_lineinfo()
99 return *lineno ?: -ENOENT; in cu_find_lineinfo()
105 * cu_walk_functions_at - Walk on function DIEs at given address
112 * should be subprogram or inlined-subroutines.
119 int ret = -ENOENT; in cu_walk_functions_at()
136 * die_get_linkage_name - Get the linkage name of the object
139 * Get the linkage name attiribute of given @dw_die.
140 * For C++ binary, the linkage name will be the mangled symbol.
152 * die_compare_name - Compare diename and tname
154 * @tname: a string of target name
156 * Compare the name of @dw_die and @tname. Return false if @dw_die has no name.
160 const char *name; in die_compare_name() local
162 name = dwarf_diename(dw_die); in die_compare_name()
163 return name ? (strcmp(tname, name) == 0) : false; in die_compare_name()
167 * die_match_name - Match diename/linkage name and glob
171 * Glob matching the name of @dw_die and @glob. Return false if matching fail.
172 * This also match linkage name.
176 const char *name; in die_match_name() local
178 name = dwarf_diename(dw_die); in die_match_name()
179 if (name && strglobmatch(name, glob)) in die_match_name()
181 /* fall back to check linkage name */ in die_match_name()
182 name = die_get_linkage_name(dw_die); in die_match_name()
183 if (name && strglobmatch(name, glob)) in die_match_name()
190 * die_get_call_lineno - Get callsite line number of inline-function instance
193 * Get call-site line number of @in_die. This means from where the inline
202 return -ENOENT; in die_get_call_lineno()
209 * die_get_type - Get type DIE
246 * die_get_real_type - Get a type die, but skip qualifiers and typedef
272 return -ENOENT; in die_get_attr_udata()
285 return -ENOENT; in die_get_attr_sdata()
291 * die_is_signed_type - Check whether a type DIE is signed or not
309 * die_is_func_def - Ensure that this DIE is a subprogram and definition
324 * die_entrypc - Returns entry PC (the lowest address) of a DIE
337 return -EINVAL; in die_entrypc()
342 return dwarf_ranges(dw_die, 0, &base, addr, &end) < 0 ? -ENOENT : 0; in die_entrypc()
346 * die_is_func_instance - Ensure that this DIE is an instance of a subprogram
369 * die_get_data_member_location - Get the data-member offset
384 return -ENOENT; in die_get_data_member_location()
390 return -ENOENT; in die_get_data_member_location()
395 return -ENOTSUP; in die_get_data_member_location()
410 return -ENOENT; in die_get_call_fileno()
421 return -ENOENT; in die_get_decl_fileno()
425 * die_get_call_file - Get callsite file name of inlined function instance
428 * Get call-site file name of @in_die. This means from which file the inline
447 * die_find_child - Generic DIE search function in DIE tree
500 addr == ad->addr) { in __die_search_func_tail_cb()
501 memcpy(ad->die_mem, fn_die, sizeof(Dwarf_Die)); in __die_search_func_tail_cb()
508 * die_find_tailfunc - Search for a non-inlined function with tail call at
514 * Search for a non-inlined function DIE with tail call at @addr. Stores the
530 /* die_find callback for non-inlined function search */
540 dwarf_haspc(fn_die, ad->addr)) { in __die_search_func_cb()
541 memcpy(ad->die_mem, fn_die, sizeof(Dwarf_Die)); in __die_search_func_cb()
548 * die_find_realfunc - Search a non-inlined function at given address
553 * Search a non-inlined function DIE which includes @addr. Stores the
582 * die_find_top_inlinefunc - Search the top inlined function at given address
599 * die_find_inlinefunc - Search an inlined function at given address
652 if (origin == NULL || origin->addr != iwp->addr) in __die_walk_instances_cb()
665 iwp->retval = iwp->callback(inst, iwp->data); in __die_walk_instances_cb()
667 return (iwp->retval) ? DIE_FIND_CB_END : DIE_FIND_CB_CONTINUE; in __die_walk_instances_cb()
671 * die_walk_instances - Walk on instances of given DIE
678 * non-zero value, or -ENOENT if there is no instance.
686 .addr = or_die->addr, in die_walk_instances()
689 .retval = -ENOENT, in die_walk_instances()
693 return -ENOENT; in die_walk_instances()
700 /* Line walker internal parameters */
719 lw->retval = lw->callback(fname, lineno, addr, lw->data); in __die_walk_funclines_cb()
720 if (lw->retval != 0) in __die_walk_funclines_cb()
723 if (!lw->recursive) in __die_walk_funclines_cb()
730 lw->retval = lw->callback(fname, lineno, addr, lw->data); in __die_walk_funclines_cb()
731 if (lw->retval != 0) in __die_walk_funclines_cb()
736 /* Continue to search nested inlined function call-sites */ in __die_walk_funclines_cb()
755 /* Handle function declaration line */ in __die_walk_funclines()
776 lw->retval = __die_walk_funclines(sp_die, true, lw->callback, lw->data); in __die_walk_culines_cb()
777 if (lw->retval != 0) in __die_walk_culines_cb()
784 * die_walk_lines - Walk on lines inside given DIE
789 * Walk on all lines inside given @rt_die and call @callback on each line.
792 * Note that this walks not only dwarf line list, but also function entries
793 * and inline call-site.
798 Dwarf_Line *line; in die_walk_lines() local
816 return -EINVAL; in die_walk_lines()
822 return -ENOENT; in die_walk_lines()
828 line = dwarf_onesrcline(lines, i); in die_walk_lines()
829 if (line == NULL || in die_walk_lines()
830 dwarf_lineno(line, &lineno) != 0 || in die_walk_lines()
831 dwarf_lineaddr(line, &addr) != 0) { in die_walk_lines()
832 pr_debug2("Failed to get line info. " in die_walk_lines()
836 /* Skip end-of-sequence */ in die_walk_lines()
837 if (dwarf_lineendsequence(line, &flag) != 0 || flag) in die_walk_lines()
839 /* Skip Non statement line-info */ in die_walk_lines()
840 if (dwarf_linebeginstatement(line, &flag) != 0 || !flag) in die_walk_lines()
846 * The line is included in given function, and in die_walk_lines()
853 /* Call-site check */ in die_walk_lines()
866 /* Get source line */ in die_walk_lines()
867 fname = dwarf_linesrc(line, NULL, NULL); in die_walk_lines()
899 const char *name; member
912 die_compare_name(die_mem, fvp->name) && in __die_find_variable_cb()
917 if (dwarf_haspc(die_mem, fvp->addr)) in __die_find_variable_cb()
924 * die_find_variable_at - Find a given name variable at given address
926 * @name: variable name
930 * Find a variable DIE called @name at @addr in @sp_die.
932 Dwarf_Die *die_find_variable_at(Dwarf_Die *sp_die, const char *name, in die_find_variable_at() argument
935 struct __find_variable_param fvp = { .name = name, .addr = addr}; in die_find_variable_at()
943 const char *name = data; in __die_find_member_cb() local
946 if (die_compare_name(die_mem, name)) in __die_find_member_cb()
951 die_find_member(&type_die, name, &tmp_die)) in __die_find_member_cb()
959 * die_find_member - Find a given name member in a data structure
961 * @name: member name
964 * Find a member DIE called @name in @st_die.
966 Dwarf_Die *die_find_member(Dwarf_Die *st_die, const char *name, in die_find_member() argument
969 return die_find_child(st_die, __die_find_member_cb, (void *)name, in die_find_member()
974 * die_get_typename - Get the name of given variable DIE
976 * @buf: a strbuf for result type name
978 * Get the name of @vr_die and stores it to @buf. Return 0 if succeeded.
979 * and Return -ENOENT if failed to find type name.
980 * Note that the result will stores typedef name if possible, and stores
990 return -ENOENT; in die_get_typename()
1000 return -ENOENT; in die_get_typename()
1007 /* Write a base name */ in die_get_typename()
1015 * die_get_varname - Get the name and type of given variable DIE
1017 * @buf: a strbuf for type and variable name
1019 * Get the name and type of @vr_die and stores it in @buf as "type\tname".
1036 * die_get_var_innermost_scope - Get innermost scope range of given variable DIE
1042 * "@<function_name+[NN-NN,NN-NN]>".
1055 const char *name; in die_get_var_innermost_scope() local
1061 name = dwarf_diename(sp_die); in die_get_var_innermost_scope()
1062 if (!name) in die_get_var_innermost_scope()
1063 return -ENOENT; in die_get_var_innermost_scope()
1069 ret = -EINVAL; in die_get_var_innermost_scope()
1075 start -= entry; in die_get_var_innermost_scope()
1076 end -= entry; in die_get_var_innermost_scope()
1079 ret = strbuf_addf(buf, "@<%s+[%" PRIu64 "-%" PRIu64, in die_get_var_innermost_scope()
1080 name, start, end); in die_get_var_innermost_scope()
1083 ret = strbuf_addf(buf, ",%" PRIu64 "-%" PRIu64, in die_get_var_innermost_scope()
1099 * die_get_var_range - Get byte offset range of given variable DIE
1102 * @buf: a strbuf for type and variable name and byte offset range
1105 * "@<function_name+[NN-NN,NN-NN]>".
1118 const char *name; in die_get_var_range() local
1124 name = dwarf_diename(sp_die); in die_get_var_range()
1125 if (!name) in die_get_var_range()
1126 return -ENOENT; in die_get_var_range()
1129 return -EINVAL; in die_get_var_range()
1140 start -= entry; in die_get_var_range()
1141 end -= entry; in die_get_var_range()
1143 ret = strbuf_addf(buf, "@<%s+[%" PRIu64 "-%" PRIu64, in die_get_var_range()
1144 name, start, end); in die_get_var_range()
1147 ret = strbuf_addf(buf, ",%" PRIu64 "-%" PRIu64, in die_get_var_range()
1164 return -ENOTSUP; in die_get_var_range()
1169 * die_has_loclist - Check if DW_AT_location of @vr_die is a location list
1186 * die_is_optimized_target - Check if target program is compiled with
1213 * die_search_idx - Search index of given line address
1214 * @lines: Line records of single CU
1220 * matches, set index of that line in @idx. Note that single source
1221 * line can have multiple line records. i.e. single source line can
1243 * die_get_postprologue_addr - Search next address after function prologue
1245 * @lines: Line records of single CU
1250 * Look for prologue-end marker. If there is no explicit marker, return
1251 * address of next line record or next source line.
1261 Dwarf_Line *line; in die_get_postprologue_addr() local
1265 /* entrypc_lno is actual source line number */ in die_get_postprologue_addr()
1266 line = dwarf_onesrcline(lines, entrypc_idx); in die_get_postprologue_addr()
1267 if (dwarf_lineno(line, &entrypc_lno)) in die_get_postprologue_addr()
1271 line = dwarf_onesrcline(lines, i); in die_get_postprologue_addr()
1273 if (dwarf_lineaddr(line, &addr) || in die_get_postprologue_addr()
1274 dwarf_lineno(line, &lno) || in die_get_postprologue_addr()
1275 dwarf_lineprologueend(line, &p_end)) in die_get_postprologue_addr()
1282 /* clang supports prologue-end marker */ in die_get_postprologue_addr()
1286 /* Actual next line in source */ in die_get_postprologue_addr()
1291 * Single source line can have multiple line records. in die_get_postprologue_addr()
1294 * contains two line records. One points to declaration and in die_get_postprologue_addr()
1295 * other points to printf() line. Variable 'lno' won't get in die_get_postprologue_addr()
1302 dwarf_lineaddr(line, postprologue_addr); in die_get_postprologue_addr()
1304 dwarf_lineaddr(dwarf_onesrcline(lines, i - 1), in die_get_postprologue_addr()
1311 * die_skip_prologue - Use next address after prologue as probe location