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dwarf2.c: mangle_style

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non_mangled incorrectly returned "true" for Ada.  Correct that, and
add a few more non-mangled entries.  Return a value suitable for
passing to cplus_demangle to control demangling.

	* dwarf2.c: Include demangle.h.
	(mangle_style): Rename from non_mangled.  Return DMGL_* value
	to suit lang.  Adjust all callers.
This commit is contained in:
Alan Modra
2022-09-21 14:45:44 +09:30
parent 6c0cf2ca0d
commit 4609af80c2
1 changed files with 33 additions and 11 deletions
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44
bfd/dwarf2.c
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@ -32,6 +32,7 @@
#include "sysdep.h"
#include "bfd.h"
#include "libiberty.h"
#include "demangle.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "dwarf2.h"
@ -1711,31 +1712,52 @@ read_attribute (struct attribute * attr,
return info_ptr;
}
/* Return whether DW_AT_name will return the same as DW_AT_linkage_name
for a function. */
/* Return mangling style given LANG. */
static bool
non_mangled (int lang)
static int
mangle_style (int lang)
{
switch (lang)
{
case DW_LANG_Ada83:
case DW_LANG_Ada95:
return DMGL_GNAT;
case DW_LANG_C_plus_plus:
case DW_LANG_C_plus_plus_03:
case DW_LANG_C_plus_plus_11:
case DW_LANG_C_plus_plus_14:
return DMGL_GNU_V3;
case DW_LANG_Java:
return DMGL_JAVA;
case DW_LANG_D:
return DMGL_DLANG;
case DW_LANG_Rust:
case DW_LANG_Rust_old:
return DMGL_RUST;
default:
return false;
return DMGL_AUTO;
case DW_LANG_C89:
case DW_LANG_C:
case DW_LANG_Ada83:
case DW_LANG_Cobol74:
case DW_LANG_Cobol85:
case DW_LANG_Fortran77:
case DW_LANG_Pascal83:
case DW_LANG_C99:
case DW_LANG_Ada95:
case DW_LANG_PLI:
case DW_LANG_C99:
case DW_LANG_UPC:
case DW_LANG_C11:
case DW_LANG_Mips_Assembler:
return true;
case DW_LANG_Upc:
case DW_LANG_HP_Basic91:
case DW_LANG_HP_IMacro:
case DW_LANG_HP_Assembler:
return 0;
}
}
@ -3599,7 +3621,7 @@ find_abstract_instance (struct comp_unit *unit,
if (name == NULL && is_str_form (&attr))
{
name = attr.u.str;
if (non_mangled (unit->lang))
if (mangle_style (unit->lang) == 0)
*is_linkage = true;
}
break;
@ -4095,7 +4117,7 @@ scan_unit_for_symbols (struct comp_unit *unit)
if (func->name == NULL && is_str_form (&attr))
{
func->name = attr.u.str;
if (non_mangled (unit->lang))
if (mangle_style (unit->lang) == 0)
func->is_linkage = true;
}
break;