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--- dyld/dyld-360.17/src/dyld_gdb.cpp
+++ dyld/dyld-635.2/src/dyld_gdb.cpp
@@ -32,8 +32,12 @@
#include "mach-o/dyld_gdb.h"
#include "mach-o/dyld_images.h"
+#include "mach-o/dyld_process_info.h"
+#include "Tracing.h"
#include "ImageLoader.h"
#include "dyld.h"
+
+extern "C" void _dyld_debugger_notification(enum dyld_notify_mode mode, unsigned long count, uint64_t machHeaders[]);
#if __IPHONE_OS_VERSION_MIN_REQUIRED
#define INITIAL_UUID_IMAGE_COUNT 4
@@ -46,6 +50,27 @@
static std::vector<dyld_image_info> sImageInfos;
static std::vector<dyld_uuid_info> sImageUUIDs;
+
+size_t allImagesCount()
+{
+ return sImageInfos.size();
+}
+
+const mach_header* allImagesIndexedMachHeader(uint32_t index)
+{
+ if ( index < sImageInfos.size() )
+ return sImageInfos[index].imageLoadAddress;
+ else
+ return NULL;
+}
+
+const char* allImagesIndexedPath(uint32_t index)
+{
+ if ( index < sImageInfos.size() )
+ return sImageInfos[index].imageFilePath;
+ else
+ return NULL;
+}
void addImagesToAllImages(uint32_t infoCount, const dyld_image_info info[])
@@ -62,7 +87,8 @@
for (uint32_t i=0; i < infoCount; ++i)
sImageInfos.push_back(info[i]);
dyld::gProcessInfo->infoArrayCount = (uint32_t)sImageInfos.size();
-
+ dyld::gProcessInfo->infoArrayChangeTimestamp = mach_absolute_time();
+
// set infoArray back to base address of vector (other process can now read)
dyld::gProcessInfo->infoArray = &sImageInfos[0];
}
@@ -89,11 +115,15 @@
const char* notifyGDB(enum dyld_image_states state, uint32_t infoCount, const dyld_image_info info[])
{
// tell gdb that about the new images
+ uint64_t t0 = mach_absolute_time();
dyld::gProcessInfo->notification(dyld_image_adding, infoCount, info);
+ uint64_t t1 = mach_absolute_time();
+ ImageLoader::fgTotalDebuggerPausedTime += (t1-t0);
+
// <rdar://problem/7739489> record initial count of images
// so CrashReporter can note which images were dynamically loaded
if ( dyld::gProcessInfo->initialImageCount == 0 )
- dyld::gProcessInfo->initialImageCount = infoCount;
+ dyld::gProcessInfo->initialImageCount = dyld::gProcessInfo->infoArrayCount;
return NULL;
}
@@ -144,18 +174,13 @@
}
}
dyld::gProcessInfo->uuidArrayCount = sImageUUIDs.size();
-
+ dyld::gProcessInfo->infoArrayChangeTimestamp = mach_absolute_time();
+
// set infoArray back to base address of vector
dyld::gProcessInfo->uuidArray = &sImageUUIDs[0];
// tell gdb that about the new images
dyld::gProcessInfo->notification(dyld_image_removing, 1, &goingAway);
-}
-
-void setAlImageInfosHalt(const char* message, uintptr_t flags)
-{
- dyld::gProcessInfo->errorMessage = message;
- dyld::gProcessInfo->terminationFlags = flags;
}
@@ -165,21 +190,39 @@
}
#else
- #if __arm__
- // work around for: <rdar://problem/6530727> gdb-1109: notifier in dyld does not work if it is in thumb
- extern "C" void gdb_image_notifier(enum dyld_image_mode mode, uint32_t infoCount, const dyld_image_info info[]);
- #else
- 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
- //dyld::log("dyld: gdb_image_notifier(%s, %d, ...)\n", mode ? "dyld_image_removing" : "dyld_image_adding", infoCount);
- //for (uint32_t i=0; i < infoCount; ++i)
- // dyld::log("dyld: %d loading at %p %s\n", i, info[i].imageLoadAddress, info[i].imageFilePath);
- //for (uint32_t i=0; i < dyld::gProcessInfo->infoArrayCount; ++i)
- // dyld::log("dyld: %d loading at %p %s\n", i, dyld::gProcessInfo->infoArray[i].imageLoadAddress, dyld::gProcessInfo->infoArray[i].imageFilePath);
- }
- #endif
+ static void gdb_image_notifier(enum dyld_image_mode mode, uint32_t infoCount, const dyld_image_info info[])
+ {
+ dyld3::ScopedTimer(DBG_DYLD_GDB_IMAGE_NOTIFIER, 0, 0, 0);
+ uint64_t machHeaders[infoCount];
+ for (uint32_t i=0; i < infoCount; ++i) {
+ machHeaders[i] = (uintptr_t)(info[i].imageLoadAddress);
+ }
+ switch ( mode ) {
+ case dyld_image_adding:
+ _dyld_debugger_notification(dyld_notify_adding, infoCount, machHeaders);
+ break;
+ case dyld_image_removing:
+ _dyld_debugger_notification(dyld_notify_removing, infoCount, machHeaders);
+ break;
+ default:
+ break;
+ }
+ // do nothing
+ // gdb sets a break point here to catch notifications
+ //dyld::log("dyld: gdb_image_notifier(%s, %d, ...)\n", mode ? "dyld_image_removing" : "dyld_image_adding", infoCount);
+ //for (uint32_t i=0; i < infoCount; ++i)
+ // dyld::log("dyld: %d loading at %p %s\n", i, info[i].imageLoadAddress, info[i].imageFilePath);
+ //for (uint32_t i=0; i < dyld::gProcessInfo->infoArrayCount; ++i)
+ // dyld::log("dyld: %d loading at %p %s\n", i, dyld::gProcessInfo->infoArray[i].imageLoadAddress, dyld::gProcessInfo->infoArray[i].imageFilePath);
+ }
+
+ // only used with accelerator tables and ASan which images need to be re-loaded
+ void resetAllImages()
+ {
+ sImageInfos.clear();
+ sImageUUIDs.clear();
+ _dyld_debugger_notification(dyld_notify_remove_all, 0, NULL);
+ }
extern void* __dso_handle;
#define STR(s) # s
@@ -187,10 +230,10 @@
struct dyld_all_image_infos dyld_all_image_infos __attribute__ ((section ("__DATA,__all_image_info")))
= {
- 14, 0, NULL, &gdb_image_notifier, false, false, (const mach_header*)&__dso_handle, NULL,
- XSTR(DYLD_VERSION), NULL, 0, NULL, 0, 0, NULL, &dyld_all_image_infos,
- 0, dyld_error_kind_none, NULL, NULL, NULL, 0, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,},
- {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,}
+ 15, 0, {NULL}, &gdb_image_notifier, false, false, (const mach_header*)&__dso_handle, NULL,
+ XSTR(DYLD_VERSION), NULL, 0, NULL, 0, 0, NULL, &dyld_all_image_infos,
+ 0, 0, NULL, NULL, NULL, 0, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,},
+ 0, {0}, "/usr/lib/dyld", {0}, {0}
};
struct dyld_shared_cache_ranges dyld_shared_cache_ranges;