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re PR pch/51722 (Options "-g3" or "-ggdb3" or "-g3 -gdwarf-2" and other "-g..level3" - internal compiler error) 

PR pch/51722
	* dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
	dwarf2out_undef): Allocate e.info using ggc_strdup instead
	of xstrdup.
	(output_macinfo_op): Don't ggc_strdup fd->filename.
	(optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
	then ggc_strdup it.  Don't free inc->info or cur->info.
	(output_macinfo): Don't free ref->info or file->info.

From-SVN: r182845
This commit is contained in:
Jakub Jelinek 2012-01-03 14:45:41 +01:00 committed by Jakub Jelinek
parent 5d2eb24bfa
commit c067f6cfb3
2 changed files with 18 additions and 18 deletions
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11
gcc/ChangeLog
View File

@ -1,3 +1,14 @@
2012-01-03 Jakub Jelinek <jakub@redhat.com>
PR pch/51722
* dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
dwarf2out_undef): Allocate e.info using ggc_strdup instead
of xstrdup.
(output_macinfo_op): Don't ggc_strdup fd->filename.
(optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
then ggc_strdup it. Don't free inc->info or cur->info.
(output_macinfo): Don't free ref->info or file->info.
2012-01-03 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/51269

25
gcc/dwarf2out.c
View File

@ -1,6 +1,6 @@
/* Output Dwarf2 format symbol table information from GCC.
Copyright (C) 1992, 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Free Software Foundation, Inc.
Contributed by Gary Funck (gary@intrepid.com).
Derived from DWARF 1 implementation of Ron Guilmette (rfg@monkeys.com).
@ -20549,7 +20549,7 @@ dwarf2out_start_source_file (unsigned int lineno, const char *filename)
macinfo_entry e;
e.code = DW_MACINFO_start_file;
e.lineno = lineno;
e.info = xstrdup (filename);
e.info = ggc_strdup (filename);
VEC_safe_push (macinfo_entry, gc, macinfo_table, &e);
}
}
@ -20595,7 +20595,7 @@ dwarf2out_define (unsigned int lineno ATTRIBUTE_UNUSED,
}
e.code = DW_MACINFO_define;
e.lineno = lineno;
e.info = xstrdup (buffer);;
e.info = ggc_strdup (buffer);
VEC_safe_push (macinfo_entry, gc, macinfo_table, &e);
}
}
@ -20622,7 +20622,7 @@ dwarf2out_undef (unsigned int lineno ATTRIBUTE_UNUSED,
}
e.code = DW_MACINFO_undef;
e.lineno = lineno;
e.info = xstrdup (buffer);
e.info = ggc_strdup (buffer);
VEC_safe_push (macinfo_entry, gc, macinfo_table, &e);
}
}
@ -20662,8 +20662,6 @@ output_macinfo_op (macinfo_entry *ref)
{
case DW_MACINFO_start_file:
fd = lookup_filename (ref->info);
if (fd->filename == ref->info)
fd->filename = ggc_strdup (fd->filename);
file_num = maybe_emit_file (fd);
dw2_asm_output_data (1, DW_MACINFO_start_file, "Start new file");
dw2_asm_output_data_uleb128 (ref->lineno,
@ -20802,8 +20800,8 @@ optimize_macinfo_range (unsigned int idx, VEC (macinfo_entry, gc) *files,
linebuf_len = strlen (linebuf);
/* The group name format is: wmN.[<encoded filename>.]<lineno>.<md5sum> */
grp_name = XNEWVEC (char, 4 + encoded_filename_len + linebuf_len + 1
+ 16 * 2 + 1);
grp_name = XALLOCAVEC (char, 4 + encoded_filename_len + linebuf_len + 1
+ 16 * 2 + 1);
memcpy (grp_name, DWARF_OFFSET_SIZE == 4 ? "wm4." : "wm8.", 4);
tail = grp_name + 4;
if (encoded_filename_len)
@ -20824,14 +20822,13 @@ optimize_macinfo_range (unsigned int idx, VEC (macinfo_entry, gc) *files,
inc = VEC_index (macinfo_entry, macinfo_table, idx - 1);
inc->code = DW_MACRO_GNU_transparent_include;
inc->lineno = 0;
inc->info = grp_name;
inc->info = ggc_strdup (grp_name);
if (*macinfo_htab == NULL)
*macinfo_htab = htab_create (10, htab_macinfo_hash, htab_macinfo_eq, NULL);
/* Avoid emitting duplicates. */
slot = htab_find_slot (*macinfo_htab, inc, INSERT);
if (*slot != NULL)
{
free (CONST_CAST (char *, inc->info));
inc->code = 0;
inc->info = NULL;
/* If such an entry has been used before, just emit
@ -20846,7 +20843,6 @@ optimize_macinfo_range (unsigned int idx, VEC (macinfo_entry, gc) *files,
i++)
{
cur->code = 0;
free (CONST_CAST (char *, cur->info));
cur->info = NULL;
}
}
@ -20909,7 +20905,6 @@ output_macinfo (void)
if (!VEC_empty (macinfo_entry, files))
{
macinfo_entry *file = VEC_last (macinfo_entry, files);
free (CONST_CAST (char *, file->info));
VEC_pop (macinfo_entry, files);
}
break;
@ -20939,10 +20934,6 @@ output_macinfo (void)
break;
}
output_macinfo_op (ref);
/* For DW_MACINFO_start_file ref->info has been copied into files
vector. */
if (ref->code != DW_MACINFO_start_file)
free (CONST_CAST (char *, ref->info));
ref->info = NULL;
ref->code = 0;
}
@ -20976,7 +20967,6 @@ output_macinfo (void)
ref->lineno);
ASM_OUTPUT_LABEL (asm_out_file, label);
ref->code = 0;
free (CONST_CAST (char *, ref->info));
ref->info = NULL;
dw2_asm_output_data (2, 4, "DWARF macro version number");
if (DWARF_OFFSET_SIZE == 8)
@ -20989,7 +20979,6 @@ output_macinfo (void)
case DW_MACINFO_undef:
output_macinfo_op (ref);
ref->code = 0;
free (CONST_CAST (char *, ref->info));
ref->info = NULL;
break;
default: