diff options
| -rw-r--r-- | gcc/dwarfout.c | 75 |
1 files changed, 69 insertions, 6 deletions
diff --git a/gcc/dwarfout.c b/gcc/dwarfout.c index 0774ca085b5..a743d51e564 100644 --- a/gcc/dwarfout.c +++ b/gcc/dwarfout.c @@ -532,6 +532,12 @@ static unsigned lookup_filename (); #ifndef SL_END_LABEL_FMT #define SL_END_LABEL_FMT ".L_sl%u_e" #endif +#ifndef BODY_BEGIN_LABEL_FMT +#define BODY_BEGIN_LABEL_FMT ".L_b%u" +#endif +#ifndef BODY_END_LABEL_FMT +#define BODY_END_LABEL_FMT ".L_b%u_e" +#endif #ifndef FUNC_END_LABEL_FMT #define FUNC_END_LABEL_FMT ".L_f%u_e" #endif @@ -888,6 +894,8 @@ dwarf_attr_name (attr) case AT_src_info: return "AT_src_info"; case AT_mac_info: return "AT_mac_info"; case AT_src_coords: return "AT_src_coords"; + case AT_body_begin: return "AT_body_begin"; + case AT_body_end: return "AT_body_end"; default: return "AT_<unknown>"; } @@ -2552,6 +2560,26 @@ high_pc_attribute (asm_high_label) ASM_OUTPUT_DWARF_ADDR (asm_out_file, asm_high_label); } +/* Generate an AT_body_begin attribute for a subroutine DIE. */ + +inline void +body_begin_attribute (asm_begin_label) + register char *asm_begin_label; +{ + ASM_OUTPUT_DWARF_ATTRIBUTE (asm_out_file, AT_body_begin); + ASM_OUTPUT_DWARF_ADDR (asm_out_file, asm_begin_label); +} + +/* Generate an AT_body_end attribute for a subroutine DIE. */ + +inline void +body_end_attribute (asm_end_label) + register char *asm_end_label; +{ + ASM_OUTPUT_DWARF_ATTRIBUTE (asm_out_file, AT_body_end); + ASM_OUTPUT_DWARF_ADDR (asm_out_file, asm_end_label); +} + /* Generate an AT_language attribute given a LANG value. These attributes are used only within TAG_compile_unit DIEs. */ @@ -3108,11 +3136,15 @@ output_global_subroutine_die (arg) { if (! DECL_EXTERNAL (decl)) { - char func_end_label[MAX_ARTIFICIAL_LABEL_BYTES]; + char label[MAX_ARTIFICIAL_LABEL_BYTES]; low_pc_attribute (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl))); - sprintf (func_end_label, FUNC_END_LABEL_FMT, current_funcdef_number); - high_pc_attribute (func_end_label); + sprintf (label, FUNC_END_LABEL_FMT, current_funcdef_number); + high_pc_attribute (label); + sprintf (label, BODY_BEGIN_LABEL_FMT, current_funcdef_number); + body_begin_attribute (label); + sprintf (label, BODY_END_LABEL_FMT, current_funcdef_number); + body_end_attribute (label); } } } @@ -3446,11 +3478,15 @@ output_local_subroutine_die (arg) if (TREE_ASM_WRITTEN (decl)) { - char func_end_label[MAX_ARTIFICIAL_LABEL_BYTES]; + char label[MAX_ARTIFICIAL_LABEL_BYTES]; low_pc_attribute (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl))); - sprintf (func_end_label, FUNC_END_LABEL_FMT, current_funcdef_number); - high_pc_attribute (func_end_label); + sprintf (label, FUNC_END_LABEL_FMT, current_funcdef_number); + high_pc_attribute (label); + sprintf (label, BODY_BEGIN_LABEL_FMT, current_funcdef_number); + body_begin_attribute (label); + sprintf (label, BODY_END_LABEL_FMT, current_funcdef_number); + body_end_attribute (label); } } } @@ -4834,6 +4870,33 @@ dwarfout_label (insn) } } +/* Output a marker (i.e. a label) for the point in the generated code where + the real body of the function begins (after parameters have been moved + to their home locations). */ + +void +dwarfout_begin_function () +{ + char label[MAX_ARTIFICIAL_LABEL_BYTES]; + + text_section (); + sprintf (label, BODY_BEGIN_LABEL_FMT, current_funcdef_number); + ASM_OUTPUT_LABEL (asm_out_file, label); +} + +/* Output a marker (i.e. a label) for the point in the generated code where + the real body of the function ends (just before the epilogue code). */ + +void +dwarfout_end_function () +{ + char label[MAX_ARTIFICIAL_LABEL_BYTES]; + + text_section (); + sprintf (label, BODY_END_LABEL_FMT, current_funcdef_number); + ASM_OUTPUT_LABEL (asm_out_file, label); +} + /* Output a marker (i.e. a label) for the absolute end of the generated code for a function definition. This gets called *after* the epilogue code has been generated. */ |
