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#886: Support cstack=vm for slowdebug JVM

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This commit is contained in:
Andrei Pangin
2024-02-06 02:37:28 +00:00
parent deec21814b
commit e751ea1b0d
2 changed files with 7 additions and 1 deletions
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src/vmStructs.cpp
+6 -1
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@@ -61,6 +61,7 @@ int VMStructs::_constmethod_constants_offset = -1;
int VMStructs::_constmethod_idnum_offset = -1;
int VMStructs::_constmethod_size = -1;
int VMStructs::_pool_holder_offset = -1;
int VMStructs::_array_len_offset = 0;
int VMStructs::_array_data_offset = -1;
int VMStructs::_code_heap_memory_offset = -1;
int VMStructs::_code_heap_segmap_offset = -1;
@@ -321,6 +322,10 @@ void VMStructs::initOffsets() {
if (strcmp(field, "_call_stub_return_address") == 0) {
_call_stub_return_addr = *(const void***)(entry + address_offset);
}
} else if (strcmp(type, "GrowableArrayBase") == 0 || strcmp(type, "GenericGrowableArray") == 0) {
if (strcmp(field, "_len") == 0) {
_array_len_offset = *(int*)(entry + offset_offset);
}
} else if (strcmp(type, "GrowableArray<int>") == 0) {
if (strcmp(field, "_data") == 0) {
_array_data_offset = *(int*)(entry + offset_offset);
@@ -458,7 +463,7 @@ void VMStructs::resolveOffsets() {
if (_code_heap_addr != NULL && _code_heap_low_addr != NULL && _code_heap_high_addr != NULL) {
char* code_heaps = *_code_heap_addr;
unsigned int code_heap_count = *(unsigned int*)code_heaps;
unsigned int code_heap_count = *(unsigned int*)(code_heaps + _array_len_offset);
if (code_heap_count <= 3 && _array_data_offset >= 0) {
char* code_heap_array = *(char**)(code_heaps + _array_data_offset);
memcpy(_code_heap, code_heap_array, code_heap_count * sizeof(_code_heap[0]));
src/vmStructs.h
+1
View File
@@ -66,6 +66,7 @@ class VMStructs {
static int _constmethod_idnum_offset;
static int _constmethod_size;
static int _pool_holder_offset;
static int _array_len_offset;
static int _array_data_offset;
static int _code_heap_memory_offset;
static int _code_heap_segmap_offset;