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Unified Diff: third_party/crashpad/crashpad/third_party/apple_cctools/cctools/libmacho/getsecbyname.c

Issue 1505213004: Copy Crashpad into the Chrome tree instead of importing it via DEPS (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address review comments, update README.chromium Created 5 years ago
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Index: third_party/crashpad/crashpad/third_party/apple_cctools/cctools/libmacho/getsecbyname.c
diff --git a/third_party/crashpad/crashpad/third_party/apple_cctools/cctools/libmacho/getsecbyname.c b/third_party/crashpad/crashpad/third_party/apple_cctools/cctools/libmacho/getsecbyname.c
new file mode 100644
index 0000000000000000000000000000000000000000..1db1cbecce381cd1e0619f3dd83c5c6075b0e576
--- /dev/null
+++ b/third_party/crashpad/crashpad/third_party/apple_cctools/cctools/libmacho/getsecbyname.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#include "third_party/apple_cctools/cctools/include/mach-o/getsect.h"
+
+#if !defined(MAC_OS_X_VERSION_10_7) || \
+ MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_7
+
+#include <string.h>
+
+#ifndef __LP64__
+typedef struct mach_header mach_header_32_64;
+typedef struct segment_command segment_command_32_64;
+typedef struct section section_32_64;
+#define LC_SEGMENT_32_64 LC_SEGMENT
+#else /* defined(__LP64__) */
+typedef struct mach_header_64 mach_header_32_64;
+typedef struct segment_command_64 segment_command_32_64;
+typedef struct section_64 section_32_64;
+#define LC_SEGMENT_32_64 LC_SEGMENT_64
+#endif /* defined(__LP64__) */
+
+/*
+ * This routine returns the a pointer to the section contents of the named
+ * section in the named segment if it exists in the image pointed to by the
+ * mach header. Otherwise it returns zero.
+ */
+
+uint8_t *
+crashpad_getsectiondata(
+const mach_header_32_64 *mhp,
+const char *segname,
+const char *sectname,
+unsigned long *size)
+{
+ segment_command_32_64 *sgp, *zero;
+ section_32_64 *sp, *find;
+ uint32_t i, j;
+
+ zero = 0;
+ find = 0;
+ sp = 0;
+ sgp = (segment_command_32_64 *)
+ ((char *)mhp + sizeof(mach_header_32_64));
+ for(i = 0; i < mhp->ncmds; i++){
+ if(sgp->cmd == LC_SEGMENT_32_64){
+ if(zero == 0 && sgp->fileoff == 0 && sgp->nsects != 0){
+ zero = sgp;
+ if(find != 0)
+ goto done;
+ }
+ if(find == 0 &&
+ strncmp(sgp->segname, segname, sizeof(sgp->segname)) == 0){
+ sp = (section_32_64 *)((char *)sgp +
+ sizeof(segment_command_32_64));
+ for(j = 0; j < sgp->nsects; j++){
+ if(strncmp(sp->sectname, sectname,
+ sizeof(sp->sectname)) == 0 &&
+ strncmp(sp->segname, segname,
+ sizeof(sp->segname)) == 0){
+ find = sp;
+ if(zero != 0)
+ goto done;
+ }
+ sp = (section_32_64 *)((char *)sp +
+ sizeof(section_32_64));
+ }
+ }
+ }
+ sgp = (segment_command_32_64 *)((char *)sgp + sgp->cmdsize);
+ }
+ return(0);
+done:
+ *size = sp->size;
+ return((uint8_t *)((uintptr_t)mhp - zero->vmaddr + sp->addr));
+}
+
+uint8_t *
+crashpad_getsegmentdata(
+const mach_header_32_64 *mhp,
+const char *segname,
+unsigned long *size)
+{
+ segment_command_32_64 *sgp, *zero, *find;
+ uint32_t i;
+
+ zero = 0;
+ find = 0;
+ sgp = (segment_command_32_64 *)
+ ((char *)mhp + sizeof(mach_header_32_64));
+ for(i = 0; i < mhp->ncmds; i++){
+ if(sgp->cmd == LC_SEGMENT_32_64){
+ if(zero == 0 && sgp->fileoff == 0 && sgp->nsects != 0){
+ zero = sgp;
+ if(find != 0)
+ goto done;
+ }
+ if(find == 0 &&
+ strncmp(sgp->segname, segname, sizeof(sgp->segname)) == 0){
+ find = sgp;
+ if(zero != 0)
+ goto done;
+ }
+ }
+ sgp = (segment_command_32_64 *)((char *)sgp + sgp->cmdsize);
+ }
+ return(0);
+done:
+ *size = sgp->vmsize;
+ return((uint8_t *)((uintptr_t)mhp - zero->vmaddr + sgp->vmaddr));
+}
+
+#endif /* MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_7 */

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