diff options
| author | Jason Merrill <jason@yorick.cygnus.com> | 1999-09-23 20:51:06 +0000 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 1999-09-23 16:51:06 -0400 |
| commit | e689ae67255aca55fddb4b01b0b9ded6d3f151ea (patch) | |
| tree | 77ef710d35533a76a8a142f6b6b5bde312d104f8 | |
| parent | c857e3b4706931f12b0aeeb8442b3893af4818a4 (diff) | |
| download | gcc-e689ae67255aca55fddb4b01b0b9ded6d3f151ea.zip gcc-e689ae67255aca55fddb4b01b0b9ded6d3f151ea.tar.gz gcc-e689ae67255aca55fddb4b01b0b9ded6d3f151ea.tar.bz2 | |
dwarf2out.c (output_aranges): Use DW_AT_location to find the symbol for a variable.
* dwarf2out.c (output_aranges): Use DW_AT_location to find the
symbol for a variable.
From-SVN: r29637
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 36 |
2 files changed, 27 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3d81cc7..f2f868d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com> + * dwarf2out.c (output_aranges): Use DW_AT_location to find the + symbol for a variable. + * cpplib.h (CPP_PREPROCESSED): New macro. * cpplib.c (handle_directive): Don't complain about `# NUMBER' if we're seeing this input for a second time. diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 43d1eaa..832ea47 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -5687,29 +5687,38 @@ output_aranges () fputc ('\n', asm_out_file); for (i = 0; i < arange_table_in_use; ++i) { - dw_die_ref a = arange_table[i]; + dw_die_ref die = arange_table[i]; - if (a->die_tag == DW_TAG_subprogram) - ASM_OUTPUT_DWARF_ADDR (asm_out_file, get_AT_low_pc (a)); + if (die->die_tag == DW_TAG_subprogram) + ASM_OUTPUT_DWARF_ADDR (asm_out_file, get_AT_low_pc (die)); else { - char *name = get_AT_string (a, DW_AT_MIPS_linkage_name); - if (! name) - name = get_AT_string (a, DW_AT_name); + /* A static variable; extract the symbol from DW_AT_location. + Note that this code isn't currently hit, as we only emit + aranges for functions (jason 9/23/99). */ - ASM_OUTPUT_DWARF_ADDR (asm_out_file, name); + dw_attr_ref a = get_AT (die, DW_AT_location); + dw_loc_descr_ref loc; + if (! a || a->dw_attr_val.val_class != dw_val_class_loc) + abort (); + + loc = a->dw_attr_val.v.val_loc; + if (loc->dw_loc_opc != DW_OP_addr) + abort (); + + ASM_OUTPUT_DWARF_ADDR (asm_out_file, loc->dw_loc_oprnd1.v.val_addr); } if (flag_debug_asm) fprintf (asm_out_file, "\t%s Address", ASM_COMMENT_START); fputc ('\n', asm_out_file); - if (a->die_tag == DW_TAG_subprogram) - ASM_OUTPUT_DWARF_ADDR_DELTA (asm_out_file, get_AT_hi_pc (a), - get_AT_low_pc (a)); + if (die->die_tag == DW_TAG_subprogram) + ASM_OUTPUT_DWARF_ADDR_DELTA (asm_out_file, get_AT_hi_pc (die), + get_AT_low_pc (die)); else ASM_OUTPUT_DWARF_ADDR_DATA (asm_out_file, - get_AT_unsigned (a, DW_AT_byte_size)); + get_AT_unsigned (die, DW_AT_byte_size)); if (flag_debug_asm) fprintf (asm_out_file, "%s Length", ASM_COMMENT_START); @@ -7693,6 +7702,7 @@ add_name_and_src_coords_attributes (die, decl) { add_name_attribute (die, dwarf2_name (decl, 0)); add_src_coords_attributes (die, decl); + if ((TREE_CODE (decl) == FUNCTION_DECL || TREE_CODE (decl) == VAR_DECL) && DECL_ASSEMBLER_NAME (decl) != DECL_NAME (decl)) add_AT_string (die, DW_AT_MIPS_linkage_name, @@ -8664,7 +8674,7 @@ gen_variable_die (decl, context_die) else if (old_die && TREE_STATIC (decl) && get_AT_flag (old_die, DW_AT_declaration) == 1) { - /* ??? This is an instantiation of a C++ class level static. */ + /* This is a definition of a C++ class level static. */ add_AT_die_ref (var_die, DW_AT_specification, old_die); if (DECL_NAME (decl)) { @@ -10175,6 +10185,8 @@ dwarf2out_finish () output_pubnames (); } + /* We only put functions in the arange table, so don't write it out if + we don't have any. */ if (fde_table_in_use) { /* Output the address range information. */ |