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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
This commit is contained in:
Jason Merrill 1999-09-23 20:51:06 +00:00 committed by Jason Merrill
parent c857e3b470
commit e689ae6725
2 changed files with 27 additions and 12 deletions
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3
gcc/ChangeLog
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@ -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.

36
gcc/dwarf2out.c
View File

@ -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. */