[Lldb-commits] [lldb] r154419 - in /lldb/trunk/examples/darwin/heap_find: Makefile heap_find.c heap_find.cpp
Greg Clayton
gclayton at apple.com
Tue Apr 10 11:19:20 PDT 2012
Author: gclayton
Date: Tue Apr 10 13:19:20 2012
New Revision: 154419
URL: http://llvm.org/viewvc/llvm-project?rev=154419&view=rev
Log:
Fixed head_find to compile again.
Added:
lldb/trunk/examples/darwin/heap_find/heap_find.cpp
- copied, changed from r154413, lldb/trunk/examples/darwin/heap_find/heap_find.c
Removed:
lldb/trunk/examples/darwin/heap_find/heap_find.c
Modified:
lldb/trunk/examples/darwin/heap_find/Makefile
Modified: lldb/trunk/examples/darwin/heap_find/Makefile
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/examples/darwin/heap_find/Makefile?rev=154419&r1=154418&r2=154419&view=diff
==============================================================================
--- lldb/trunk/examples/darwin/heap_find/Makefile (original)
+++ lldb/trunk/examples/darwin/heap_find/Makefile Tue Apr 10 13:19:20 2012
@@ -2,6 +2,6 @@
DYLIB_NAME := heap
DYLIB_ONLY := YES
-DYLIB_C_SOURCES := heap_find.c
+DYLIB_C_SOURCES := heap_find.cpp
include $(LEVEL)/Makefile.rules
Removed: lldb/trunk/examples/darwin/heap_find/heap_find.c
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/examples/darwin/heap_find/heap_find.c?rev=154418&view=auto
==============================================================================
--- lldb/trunk/examples/darwin/heap_find/heap_find.c (original)
+++ lldb/trunk/examples/darwin/heap_find/heap_find.c (removed)
@@ -1,328 +0,0 @@
-//===-- head_find.c ---------------------------------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file compiles into a dylib and can be used on darwin to find data that
-// is contained in active malloc blocks. To use this make the project, then
-// load the shared library in a debug session while you are stopped:
-//
-// (lldb) process load /path/to/libheap.dylib
-//
-// Now you can use the "find_pointer_in_heap" and "find_cstring_in_heap"
-// functions in the expression parser.
-//
-// This will grep everything in all active allocation blocks and print and
-// malloc blocks that contain the pointer 0x112233000000:
-//
-// (lldb) expression find_pointer_in_heap (0x112233000000)
-//
-// This will grep everything in all active allocation blocks and print and
-// malloc blocks that contain the C string "hello" (as a substring, no
-// NULL termination included):
-//
-// (lldb) expression find_cstring_in_heap ("hello")
-//
-// The results will be printed to the STDOUT of the inferior program.
-//
-//===----------------------------------------------------------------------===//
-
-#include <assert.h>
-#include <ctype.h>
-#include <mach/mach.h>
-#include <malloc/malloc.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-struct range_callback_info_t;
-
-typedef void range_callback_t (task_t task, void *baton, unsigned type, uint64_t ptr_addr, uint64_t ptr_size);
-typedef void zone_callback_t (void *info, const malloc_zone_t *zone);
-
-typedef struct range_callback_info_tag
-{
- zone_callback_t *zone_callback;
- range_callback_t *range_callback;
- void *baton;
-} range_callback_info_t;
-
-typedef enum data_type
-{
- eDataTypeBytes,
- eDataTypeCStr,
- eDataTypeInteger
-} data_type_t;
-
-typedef struct range_contains_data_callback_info_tag
-{
- const uint8_t *data;
- const size_t data_len;
- const uint32_t align;
- const data_type_t data_type;
- uint32_t match_count;
-} range_contains_data_callback_info_t;
-
-
-static kern_return_t
-task_peek (task_t task, vm_address_t remote_address, vm_size_t size, void **local_memory)
-{
- *local_memory = (void*) remote_address;
- return KERN_SUCCESS;
-}
-
-
-static const void
-foreach_zone_in_this_process (range_callback_info_t *info)
-{
- //printf ("foreach_zone_in_this_process ( info->zone_callback = %p, info->range_callback = %p, info->baton = %p)", info->zone_callback, info->range_callback, info->baton);
- if (info == NULL || info->zone_callback == NULL)
- return;
-
- vm_address_t *zones = NULL;
- unsigned int num_zones = 0;
-
- kern_return_t err = malloc_get_all_zones (0, task_peek, &zones, &num_zones);
- if (KERN_SUCCESS == err)
- {
- for (unsigned int i=0; i<num_zones; ++i)
- {
- info->zone_callback (info, (const malloc_zone_t *)zones[i]);
- }
- }
-}
-
-static void
-range_callback (task_t task, void *baton, unsigned type, uint64_t ptr_addr, uint64_t ptr_size)
-{
- printf ("task = 0x%4.4x: baton = %p, type = %u, ptr_addr = 0x%llx + 0x%llu\n", task, baton, type, ptr_addr, ptr_size);
-}
-
-static void
-ranges_callback (task_t task, void *baton, unsigned type, vm_range_t *ptrs, unsigned count)
-{
- range_callback_info_t *info = (range_callback_info_t *)baton;
- while(count--) {
- info->range_callback (task, info->baton, type, ptrs->address, ptrs->size);
- ptrs++;
- }
-}
-
-static void
-enumerate_range_in_zone (void *baton, const malloc_zone_t *zone)
-{
- range_callback_info_t *info = (range_callback_info_t *)baton;
-
- if (zone && zone->introspect)
- zone->introspect->enumerator (mach_task_self(),
- info,
- MALLOC_PTR_IN_USE_RANGE_TYPE,
- (vm_address_t)zone,
- task_peek,
- ranges_callback);
-}
-
-const void
-foreach_range_in_this_process (range_callback_t *callback, void *baton)
-{
- range_callback_info_t info = { enumerate_range_in_zone, callback ? callback : range_callback, baton };
- foreach_zone_in_this_process (&info);
-}
-
-static void
-range_contains_ptr_callback (task_t task, void *baton, unsigned type, uint64_t ptr_addr, uint64_t ptr_size)
-{
- uint8_t *data = NULL;
- range_contains_data_callback_info_t *data_info = (range_contains_data_callback_info_t *)baton;
- if (data_info->data_len <= 0)
- {
- printf ("error: invalid data size: %zu\n", data_info->data_len);
- }
- else if (data_info->data_len > ptr_size)
- {
- // This block is too short to contain the data we are looking for...
- return;
- }
- else if (task_peek (task, ptr_addr, ptr_size, (void **)&data) == KERN_SUCCESS)
- {
- assert (data);
- const uint64_t end_addr = ptr_addr + ptr_size;
- for (uint64_t addr = ptr_addr;
- addr < end_addr && ((end_addr - addr) >= data_info->data_len);
- addr += data_info->align, data += data_info->align)
- {
- if (memcmp (data_info->data, data, data_info->data_len) == 0)
- {
- ++data_info->match_count;
- printf ("0x%llx: ", addr);
- uint32_t i;
- switch (data_info->data_type)
- {
- case eDataTypeInteger:
- {
- // NOTE: little endian specific, but all darwin platforms are little endian now..
- for (i=0; i<data_info->data_len; ++i)
- printf (i ? "%2.2x" : "0x%2.2x", data[data_info->data_len - (i + 1)]);
- }
- break;
- case eDataTypeBytes:
- {
- for (i=0; i<data_info->data_len; ++i)
- printf (" %2.2x", data[i]);
- }
- break;
- case eDataTypeCStr:
- {
- putchar ('"');
- for (i=0; i<data_info->data_len; ++i)
- {
- if (isprint (data[i]))
- putchar (data[i]);
- else
- printf ("\\x%2.2x", data[i]);
- }
- putchar ('"');
- }
- break;
-
- }
- printf (" found in malloc block 0x%llx + %llu (malloc_size = %llu)\n", ptr_addr, addr - ptr_addr, ptr_size);
- }
- }
- }
- else
- {
- printf ("0x%llx: error: couldn't read %llu bytes\n", ptr_addr, ptr_size);
- }
-}
-
-
-typedef uint64_t MachMallocEventId;
-
-enum MachMallocEventType
-{
- eMachMallocEventTypeAlloc = 2,
- eMachMallocEventTypeDealloc = 4,
- eMachMallocEventTypeOther = 1
-};
-
-struct MachMallocEvent
-{
- mach_vm_address_t m_base_address;
- uint64_t m_size;
- MachMallocEventType m_event_type;
- MachMallocEventId m_event_id;
-};
-
-static void foundStackLog(mach_stack_logging_record_t record, void *context) {
- *((bool*)context) = true;
-}
-
-bool
-malloc_stack_logging_is_enabled ()
-{
- bool found = false;
- __mach_stack_logging_enumerate_records(m_task, 0x0, foundStackLog, &found);
- return found;
-}
-
-struct history_enumerator_impl_data
-{
- MachMallocEvent *buffer;
- uint32_t *position;
- uint32_t count;
-};
-
-static void
-history_enumerator_impl(mach_stack_logging_record_t record, void* enum_obj)
-{
- history_enumerator_impl_data *data = (history_enumerator_impl_data*)enum_obj;
-
- if (*data->position >= data->count)
- return;
-
- data->buffer[*data->position].m_base_address = record.address;
- data->buffer[*data->position].m_size = record.argument;
- data->buffer[*data->position].m_event_id = record.stack_identifier;
- data->buffer[*data->position].m_event_type = record.type_flags == stack_logging_type_alloc ? eMachMallocEventTypeAlloc :
- record.type_flags == stack_logging_type_dealloc ? eMachMallocEventTypeDealloc :
- eMachMallocEventTypeOther;
- *data->position+=1;
-}
-
-bool
-MachTask::EnumerateMallocRecords (MachMallocEvent *event_buffer,
- uint32_t buffer_size,
- uint32_t *count)
-{
- return EnumerateMallocRecords(0,
- event_buffer,
- buffer_size,
- count);
-}
-
-bool
-MachTask::EnumerateMallocRecords (mach_vm_address_t address,
- MachMallocEvent *event_buffer,
- uint32_t buffer_size,
- uint32_t *count)
-{
- if (!event_buffer || !count)
- return false;
-
- if (buffer_size == 0)
- return false;
-
- *count = 0;
- history_enumerator_impl_data data = { event_buffer, count, buffer_size };
- __mach_stack_logging_enumerate_records(m_task, address, history_enumerator_impl, &data);
- return (*count > 0);
-}
-
-bool
-MachTask::EnumerateMallocFrames (MachMallocEventId event_id,
- mach_vm_address_t *function_addresses_buffer,
- uint32_t buffer_size,
- uint32_t *count)
-{
- if (!function_addresses_buffer || !count)
- return false;
-
- if (buffer_size == 0)
- return false;
-
- __mach_stack_logging_frames_for_uniqued_stack(m_task, event_id, &function_addresses_buffer[0], buffer_size, count);
- *count -= 1;
- if (function_addresses_buffer[*count-1] < vm_page_size)
- *count -= 1;
- return (*count > 0);
-}
-
-uint32_t
-find_pointer_in_heap (intptr_t addr)
-{
- range_contains_data_callback_info_t data_info = { (uint8_t *)&addr, sizeof(addr), sizeof(addr), eDataTypeInteger, 0};
- range_callback_info_t info = { enumerate_range_in_zone, range_contains_ptr_callback, &data_info };
- foreach_zone_in_this_process (&info);
- return data_info.match_count;
-}
-
-uint32_t
-find_cstring_in_heap (const char *s)
-{
- if (s && s[0])
- {
- range_contains_data_callback_info_t data_info = { (uint8_t *)s, strlen(s), 1, eDataTypeCStr, 0};
- range_callback_info_t info = { enumerate_range_in_zone, range_contains_ptr_callback, &data_info };
- foreach_zone_in_this_process (&info);
- return data_info.match_count;
- }
- else
- {
- printf ("error: invalid argument (empty cstring)\n");
- }
- return 0;
-}
Copied: lldb/trunk/examples/darwin/heap_find/heap_find.cpp (from r154413, lldb/trunk/examples/darwin/heap_find/heap_find.c)
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/examples/darwin/heap_find/heap_find.cpp?p2=lldb/trunk/examples/darwin/heap_find/heap_find.cpp&p1=lldb/trunk/examples/darwin/heap_find/heap_find.c&r1=154413&r2=154419&rev=154419&view=diff
==============================================================================
--- lldb/trunk/examples/darwin/heap_find/heap_find.c (original)
+++ lldb/trunk/examples/darwin/heap_find/heap_find.cpp Tue Apr 10 13:19:20 2012
@@ -35,6 +35,7 @@
#include <ctype.h>
#include <mach/mach.h>
#include <malloc/malloc.h>
+#include <stack_logging.h>
#include <stdio.h>
#include <stdlib.h>
@@ -43,19 +44,19 @@
typedef void range_callback_t (task_t task, void *baton, unsigned type, uint64_t ptr_addr, uint64_t ptr_size);
typedef void zone_callback_t (void *info, const malloc_zone_t *zone);
-typedef struct range_callback_info_tag
+struct range_callback_info_t
{
zone_callback_t *zone_callback;
range_callback_t *range_callback;
void *baton;
-} range_callback_info_t;
+};
-typedef enum data_type
+enum data_type_t
{
eDataTypeBytes,
eDataTypeCStr,
eDataTypeInteger
-} data_type_t;
+};
typedef struct range_contains_data_callback_info_tag
{
@@ -199,108 +200,6 @@
}
}
-
-typedef uint64_t MachMallocEventId;
-
-enum MachMallocEventType
-{
- eMachMallocEventTypeAlloc = 2,
- eMachMallocEventTypeDealloc = 4,
- eMachMallocEventTypeOther = 1
-};
-
-struct MachMallocEvent
-{
- mach_vm_address_t m_base_address;
- uint64_t m_size;
- MachMallocEventType m_event_type;
- MachMallocEventId m_event_id;
-};
-
-static void foundStackLog(mach_stack_logging_record_t record, void *context) {
- *((bool*)context) = true;
-}
-
-bool
-malloc_stack_logging_is_enabled ()
-{
- bool found = false;
- __mach_stack_logging_enumerate_records(m_task, 0x0, foundStackLog, &found);
- return found;
-}
-
-struct history_enumerator_impl_data
-{
- MachMallocEvent *buffer;
- uint32_t *position;
- uint32_t count;
-};
-
-static void
-history_enumerator_impl(mach_stack_logging_record_t record, void* enum_obj)
-{
- history_enumerator_impl_data *data = (history_enumerator_impl_data*)enum_obj;
-
- if (*data->position >= data->count)
- return;
-
- data->buffer[*data->position].m_base_address = record.address;
- data->buffer[*data->position].m_size = record.argument;
- data->buffer[*data->position].m_event_id = record.stack_identifier;
- data->buffer[*data->position].m_event_type = record.type_flags == stack_logging_type_alloc ? eMachMallocEventTypeAlloc :
- record.type_flags == stack_logging_type_dealloc ? eMachMallocEventTypeDealloc :
- eMachMallocEventTypeOther;
- *data->position+=1;
-}
-
-bool
-MachTask::EnumerateMallocRecords (MachMallocEvent *event_buffer,
- uint32_t buffer_size,
- uint32_t *count)
-{
- return EnumerateMallocRecords(0,
- event_buffer,
- buffer_size,
- count);
-}
-
-bool
-MachTask::EnumerateMallocRecords (mach_vm_address_t address,
- MachMallocEvent *event_buffer,
- uint32_t buffer_size,
- uint32_t *count)
-{
- if (!event_buffer || !count)
- return false;
-
- if (buffer_size == 0)
- return false;
-
- *count = 0;
- history_enumerator_impl_data data = { event_buffer, count, buffer_size };
- __mach_stack_logging_enumerate_records(m_task, address, history_enumerator_impl, &data);
- return (*count > 0);
-}
-
-bool
-MachTask::EnumerateMallocFrames (MachMallocEventId event_id,
- mach_vm_address_t *function_addresses_buffer,
- uint32_t buffer_size,
- uint32_t *count)
-{
- if (!function_addresses_buffer || !count)
- return false;
-
- if (buffer_size == 0)
- return false;
-
- __mach_stack_logging_frames_for_uniqued_stack(m_task, event_id, &function_addresses_buffer[0], buffer_size, count);
- *count -= 1;
- if (function_addresses_buffer[*count-1] < vm_page_size)
- *count -= 1;
- return (*count > 0);
-}
-
uint32_t
find_pointer_in_heap (intptr_t addr)
{
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