[newlib-cygwin] Cygwin: Remove reading of PE for section flags from dumper
Jon TURNEY
jturney@sourceware.org
Tue Jul 21 14:20:22 GMT 2020
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=0302c69164e5aac8b9c2dc03c70a2a23cfb6add4
commit 0302c69164e5aac8b9c2dc03c70a2a23cfb6add4
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date: Sat Jul 4 15:51:14 2020 +0100
Cygwin: Remove reading of PE for section flags from dumper
Diff:
---
winsup/utils/Makefile.in | 6 +--
winsup/utils/dumper.cc | 2 -
winsup/utils/dumper.h | 2 -
winsup/utils/parse_pe.cc | 107 -----------------------------------------------
4 files changed, 3 insertions(+), 114 deletions(-)
diff --git a/winsup/utils/Makefile.in b/winsup/utils/Makefile.in
index 5bb62bc6f..f9892fa1d 100644
--- a/winsup/utils/Makefile.in
+++ b/winsup/utils/Makefile.in
@@ -113,9 +113,9 @@ build_dumper := $(shell test -r "$(libbfd)" && echo 1)
ifdef build_dumper
CYGWIN_BINS += dumper.exe
-dumper.o module_info.o parse_pe.o: CXXFLAGS += -I$(top_srcdir)/include
-dumper.o parse_pe.o: dumper.h
-dumper.exe: module_info.o parse_pe.o
+dumper.o module_info.o: CXXFLAGS += -I$(top_srcdir)/include
+dumper.o: dumper.h
+dumper.exe: module_info.o
dumper.exe: CYGWIN_LDFLAGS += -lpsapi -lbfd -lintl -liconv -liberty ${ZLIB}
else
all: warn_dumper
diff --git a/winsup/utils/dumper.cc b/winsup/utils/dumper.cc
index 46e4b0692..4577d2a3f 100644
--- a/winsup/utils/dumper.cc
+++ b/winsup/utils/dumper.cc
@@ -281,8 +281,6 @@ dumper::add_module (LPVOID base_address)
new_entity->u.module.base_address = base_address;
new_entity->u.module.name = module_name;
- parse_pe (module_name, excl_list);
-
deb_printf ("added module %p %s\n", base_address, module_name);
return 1;
}
diff --git a/winsup/utils/dumper.h b/winsup/utils/dumper.h
index 9367587bf..78592b61e 100644
--- a/winsup/utils/dumper.h
+++ b/winsup/utils/dumper.h
@@ -133,8 +133,6 @@ extern int deb_printf ( const char* format, ... );
extern char* psapi_get_module_name ( HANDLE hProcess, LPVOID BaseAddress );
-extern int parse_pe ( const char* file_name, exclusion* excl_list );
-
extern BOOL verbose;
#endif
diff --git a/winsup/utils/parse_pe.cc b/winsup/utils/parse_pe.cc
deleted file mode 100644
index 90b5c0b0d..000000000
--- a/winsup/utils/parse_pe.cc
+++ /dev/null
@@ -1,107 +0,0 @@
-/* parse_pe.cc
-
- Written by Egor Duda <deo@logos-m.ru>
-
- This file is part of Cygwin.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License (file COPYING.dumper) for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#define PACKAGE
-#include <bfd.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "dumper.h"
-
-#ifndef bfd_get_section_size
-#define bfd_get_section_size(sect) bfd_section_size(sect)
-#endif
-
-int
-exclusion::add (LPBYTE mem_base, SIZE_T mem_size)
-{
- while (last >= size)
- size += step;
- region = (process_mem_region *) realloc (region, size * sizeof (process_mem_region));
- if (region == NULL)
- return 0;
- region[last].base = mem_base;
- region[last].size = mem_size;
- last++;
- return 1;
-};
-
-int
-cmp_regions (const void *r1, const void *r2)
-{
- if (((process_mem_region *) r1)->base < ((process_mem_region *) r2)->base)
- return -1;
- if (((process_mem_region *) r1)->base > ((process_mem_region *) r2)->base)
- return 1;
- return 0;
-}
-
-int
-exclusion::sort_and_check ()
-{
- qsort (region, last, sizeof (process_mem_region), &cmp_regions);
- for (process_mem_region * p = region; p < region + last - 1; p++)
- {
- process_mem_region *q = p + 1;
- if (q == p + 1)
- continue;
- if (p->base + size > q->base)
- {
- fprintf (stderr, "region error @ (%p + %zd) > %p\n", p->base, size, q->base);
- return 0;
- }
- }
- return 1;
-}
-
-static void
-select_data_section (bfd * abfd, asection * sect, PTR obj)
-{
- exclusion *excl_list = (exclusion *) obj;
-
- if ((sect->flags & (SEC_CODE | SEC_DEBUGGING)) &&
- sect->vma && bfd_get_section_size (sect))
- {
- excl_list->add ((LPBYTE) sect->vma, (SIZE_T) bfd_get_section_size (sect));
- deb_printf ("excluding section: %20s %08lx\n", sect->name,
- bfd_get_section_size (sect));
- }
-}
-
-int
-parse_pe (const char *file_name, exclusion * excl_list)
-{
- if (file_name == NULL || excl_list == NULL)
- return 0;
-
- bfd *abfd = bfd_openr (file_name, "pei-i386");
- if (abfd == NULL)
- {
- bfd_perror ("failed to open file");
- return 0;
- }
-
- bfd_check_format (abfd, bfd_object);
- bfd_map_over_sections (abfd, &select_data_section, (PTR) excl_list);
- excl_list->sort_and_check ();
-
- bfd_close (abfd);
- return 1;
-}
More information about the Cygwin-cvs
mailing list