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src/dyld_gdb.cpp dyld-44.4 /dev/null
--- dyld/dyld-44.4/src/dyld_gdb.cpp
+++ /dev/null
@@ -1,227 +0,0 @@
-/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
- *
- * Copyright (c) 2004-2005 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 <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <mach-o/loader.h>
-
-#include <vector>
-
-#include "mach-o/dyld_gdb.h"
-
-
-// old gdb interface to dyld only supported on 32-bit ppc and i386 (not ppc64_
-#if OLD_GDB_DYLD_INTERFACE
-
-unsigned int gdb_dyld_version = 2;
-
-
-/*
- * gdb_dyld_state_changed() is a dummy routine called by dyld after images get
- * added or removed/ Gdb is expected to set a break point at
- * gdb_dyld_state_changed() then re-read dyld internal data as specified in
- * the header file dyld_gdb.h
- */
-void gdb_dyld_state_changed()
-{
-	// do nothing
-}
-
-#define NLIBRARY_IMAGES 200
-#define NOBJECT_IMAGES 1
-
-
-struct image {   
-	const char*			physical_name;		// physical image name (file name)
-	uint32_t			vmaddr_slide;		// the slide from the staticly linked address
-	const mach_header*  mh;					// address of the mach header of the image
-	uint32_t			valid;				// TRUE if this is struct is valid
-	const char*			name;				// image name for reporting errors
-};
-
-
-struct library_images { 
-	struct image			images[NLIBRARY_IMAGES];
-	uint32_t				nimages;
-	struct library_images*  next_images;
-};
-struct object_images { 
-	struct image			images[NOBJECT_IMAGES];
-	uint32_t				nimages;
-	struct library_images*  next_images;
-};
-
-unsigned int gdb_nobject_images		= NOBJECT_IMAGES;
-unsigned int gdb_object_image_size	= sizeof(image);
-unsigned int gdb_nlibrary_images	= NLIBRARY_IMAGES;
-unsigned int gdb_library_image_size	= sizeof(image);
-
-extern "C" {
-object_images   object_images = { {}, 0 , NULL };
-library_images library_images = { {}, 0 , NULL };
-void send_event(const struct dyld_event* event);
-}
-
-
-enum dyld_event_type {
-    DYLD_IMAGE_ADDED = 0,
-    DYLD_IMAGE_REMOVED = 5
-};
-
-struct dyld_event {
-    enum dyld_event_type		type;
-    const struct mach_header*   header;
-    uintptr_t					slide;
-};
-
-
-// gdb only notices changes bundles/dylibs loaded at runtime
-// if the "send_event()" function in dyld is called...
-void send_event(const struct dyld_event* event);
-void (*send_event_ptr)(const struct dyld_event* event) = &send_event;
-
-void addImageForgdb(const mach_header* mh, uintptr_t slide, const char* physicalPath, const char* logicalPath)
-{
-	struct library_images* li = &library_images;
-	while ( li->nimages >= NLIBRARY_IMAGES ) {
-		if ( li->next_images == NULL ) {
-			struct library_images* li2 = new struct library_images();
-			li2->nimages = 0;
-			li2->next_images = NULL;
-			li->next_images = li2;
-			li = li2;
-		}
-		else {
-			li = li->next_images;
-		}
-	}
-	image* info = &li->images[li->nimages++];
-	info->physical_name		= physicalPath;
-	info->vmaddr_slide		= slide;
-	info->mh				= mh;
-	info->valid				= 1;
-	info->name				= logicalPath;
-	
-	// ping gdb about change
-	dyld_event event;
-	event.type = DYLD_IMAGE_ADDED;
-	event.header = mh;
-	event.slide = slide;
-	
-	// we have to indirect through a function pointer to keep gcc-3.5 from inlining away the function call
-	// rdar://problem/3830560
-	(*send_event_ptr)(&event);
-}
-
-// move this to after use, otherwise gcc will see it has an empty implementation and
-// optimize away the call site
-void send_event(const struct dyld_event* event)
-{
-	// This function exists to let gdb set a break point
-	// and catch libraries being added...
-}
-
-
-void removeImageForgdb(const mach_header* mh)
-{
-	for (struct library_images* li = &library_images; li != NULL; li = li->next_images) {
-		for( uint32_t n=0; n < li->nimages; ++n) {
-			struct image* image = &li->images[n];
-			if ( image->mh == mh ) {
-				image->physical_name = NULL;
-				image->vmaddr_slide = 0;
-				image->mh			= 0;
-				image->valid		= 0;
-				image->name			= NULL;
-				return;
-			}
-		}
-	}
-}
-
-#endif
-
-static std::vector<dyld_image_info> sImageInfos;
-
-
-
-void addImagesToAllImages(uint32_t infoCount, const dyld_image_info info[])
-{
-	// set infoArray to NULL to denote it is in-use
-	dyld_all_image_infos.infoArray = NULL;
-	
-	// append all new images
-	for (uint32_t i=0; i < infoCount; ++i)
-		sImageInfos.push_back(info[i]);
-	dyld_all_image_infos.infoArrayCount = sImageInfos.size();
-	
-	// set infoArray back to base address of vector
-	dyld_all_image_infos.infoArray = &sImageInfos[0];
-
-	// tell gdb that about the new images
-	dyld_all_image_infos.notification(dyld_image_adding, infoCount, info);
-}
-
-void removeImageFromAllImages(const struct mach_header* loadAddress)
-{
-	dyld_image_info goingAway;
-	
-	// set infoArray to NULL to denote it is in-use
-	dyld_all_image_infos.infoArray = NULL;
-	
-	// remove image from infoArray
-	for (std::vector<dyld_image_info>::iterator it=sImageInfos.begin(); it != sImageInfos.end(); it++) {
-		if ( it->imageLoadAddress == loadAddress ) {
-			goingAway = *it;
-			sImageInfos.erase(it);
-			break;
-		}
-	}
-	dyld_all_image_infos.infoArrayCount = sImageInfos.size();
-	
-	// set infoArray back to base address of vector
-	dyld_all_image_infos.infoArray = &sImageInfos[0];
-
-	// tell gdb that about the new images
-	dyld_all_image_infos.notification(dyld_image_removing, 1, &goingAway);
-}
-
-
-static void gdb_image_notifier(enum dyld_image_mode mode, uint32_t infoCount, const dyld_image_info info[])
-{
-	// do nothing
-	// gdb sets a break point here to catch notifications
-	//fprintf(stderr, "dyld: gdb_image_notifier(%s, %d, ...)\n", mode ? "dyld_image_removing" : "dyld_image_adding", infoCount);
-	//for (uint32_t i=0; i < dyld_all_image_infos.infoArrayCount; ++i)
-	//	fprintf(stderr, "dyld: %d loading at %p %s\n", i, dyld_all_image_infos.infoArray[i].imageLoadAddress, dyld_all_image_infos.infoArray[i].imageFilePath);
-}
-
-
-
-struct dyld_all_image_infos  dyld_all_image_infos = { 1, 0, NULL, &gdb_image_notifier, false };
-
-
-