* Makefile.in: Add dumper.exe target and associated mechanisms for building it.

* dumper.cc: New file.
* dumper.h: New file.
* module_info.cc: New file.
* parse_pe.cc: New file.

1 files changed, 88 insertions, 0 deletions

diff --git a/winsup/utils/parse_pe.cc b/winsup/utils/parse_pe.cc
new file mode 100644
index 000000000..00aeb5502
--- /dev/null
+++ b/winsup/utils/parse_pe.cc
@@ -0,0 +1,88 @@
+/* parse_pe.cc
+
+   Copyright 1999 Cygnus Solutions.
+
+   Written by Egor Duda <deo@logos-m.ru>
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#include <bfd.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "dumper.h"
+
+int
+exclusion::add ( LPBYTE mem_base, DWORD 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 ( p->base + size > q->base )
+        {
+          fprintf ( stderr, "region error @ %08x", p->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 && sect->_raw_size )
+    {
+      excl_list->add ( (LPBYTE)sect->vma, (DWORD)sect->_raw_size );
+      deb_printf ( "excluding section: %20s %08lx\n", sect->name, sect->_raw_size);
+    }
+}
+
+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;
+}
+