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-rw-r--r--chromium/v8/src/gdb-jit.cc105
1 files changed, 41 insertions, 64 deletions
diff --git a/chromium/v8/src/gdb-jit.cc b/chromium/v8/src/gdb-jit.cc
index 21cfd223349..789a0fd5a39 100644
--- a/chromium/v8/src/gdb-jit.cc
+++ b/chromium/v8/src/gdb-jit.cc
@@ -1,43 +1,20 @@
// Copyright 2010 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
#ifdef ENABLE_GDB_JIT_INTERFACE
-#include "v8.h"
-#include "gdb-jit.h"
-
-#include "bootstrapper.h"
-#include "compiler.h"
-#include "frames.h"
-#include "frames-inl.h"
-#include "global-handles.h"
-#include "messages.h"
-#include "natives.h"
-#include "platform.h"
-#include "scopes.h"
+#include "src/v8.h"
+#include "src/gdb-jit.h"
+
+#include "src/bootstrapper.h"
+#include "src/compiler.h"
+#include "src/frames.h"
+#include "src/frames-inl.h"
+#include "src/global-handles.h"
+#include "src/messages.h"
+#include "src/natives.h"
+#include "src/platform.h"
+#include "src/scopes.h"
namespace v8 {
namespace internal {
@@ -217,7 +194,7 @@ class DebugSectionBase : public ZoneObject {
struct MachOSectionHeader {
char sectname[16];
char segname[16];
-#if V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X87
uint32_t addr;
uint32_t size;
#else
@@ -252,8 +229,8 @@ class MachOSection : public DebugSectionBase<MachOSectionHeader> {
segment_(segment),
align_(align),
flags_(flags) {
- ASSERT(IsPowerOf2(align));
if (align_ != 0) {
+ ASSERT(IsPowerOf2(align));
align_ = WhichPowerOf2(align_);
}
}
@@ -534,7 +511,7 @@ class MachO BASE_EMBEDDED {
uint32_t cmd;
uint32_t cmdsize;
char segname[16];
-#if V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X87
uint32_t vmaddr;
uint32_t vmsize;
uint32_t fileoff;
@@ -560,7 +537,7 @@ class MachO BASE_EMBEDDED {
Writer::Slot<MachOHeader> WriteHeader(Writer* w) {
ASSERT(w->position() == 0);
Writer::Slot<MachOHeader> header = w->CreateSlotHere<MachOHeader>();
-#if V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X87
header->magic = 0xFEEDFACEu;
header->cputype = 7; // i386
header->cpusubtype = 3; // CPU_SUBTYPE_I386_ALL
@@ -585,7 +562,7 @@ class MachO BASE_EMBEDDED {
uintptr_t code_size) {
Writer::Slot<MachOSegmentCommand> cmd =
w->CreateSlotHere<MachOSegmentCommand>();
-#if V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X87
cmd->cmd = LC_SEGMENT_32;
#else
cmd->cmd = LC_SEGMENT_64;
@@ -672,7 +649,7 @@ class ELF BASE_EMBEDDED {
void WriteHeader(Writer* w) {
ASSERT(w->position() == 0);
Writer::Slot<ELFHeader> header = w->CreateSlotHere<ELFHeader>();
-#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_ARM
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X87
const uint8_t ident[16] =
{ 0x7f, 'E', 'L', 'F', 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0};
#elif V8_TARGET_ARCH_X64
@@ -681,9 +658,9 @@ class ELF BASE_EMBEDDED {
#else
#error Unsupported target architecture.
#endif
- OS::MemCopy(header->ident, ident, 16);
+ memcpy(header->ident, ident, 16);
header->type = 1;
-#if V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X87
header->machine = 3;
#elif V8_TARGET_ARCH_X64
// Processor identification value for x64 is 62 as defined in
@@ -785,7 +762,7 @@ class ELFSymbol BASE_EMBEDDED {
Binding binding() const {
return static_cast<Binding>(info >> 4);
}
-#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_ARM
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_X87
struct SerializedLayout {
SerializedLayout(uint32_t name,
uintptr_t value,
@@ -1002,7 +979,7 @@ class CodeDescription BASE_EMBEDDED {
}
int GetScriptLineNumber(int pos) {
- return GetScriptLineNumberSafe(script_, pos) + 1;
+ return script_->GetLineNumber(pos) + 1;
}
@@ -1089,7 +1066,7 @@ class DebugInfoSection : public DebugSection {
w->Write<uint8_t>(sizeof(intptr_t));
w->WriteULEB128(1); // Abbreviation code.
- w->WriteString(*desc_->GetFilename());
+ w->WriteString(desc_->GetFilename().get());
w->Write<intptr_t>(desc_->CodeStart());
w->Write<intptr_t>(desc_->CodeStart() + desc_->CodeSize());
w->Write<uint32_t>(0);
@@ -1107,7 +1084,7 @@ class DebugInfoSection : public DebugSection {
w->Write<intptr_t>(desc_->CodeStart() + desc_->CodeSize());
Writer::Slot<uint32_t> fb_block_size = w->CreateSlotHere<uint32_t>();
uintptr_t fb_block_start = w->position();
-#if V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X87
w->Write<uint8_t>(DW_OP_reg5); // The frame pointer's here on ia32
#elif V8_TARGET_ARCH_X64
w->Write<uint8_t>(DW_OP_reg6); // and here on x64.
@@ -1131,7 +1108,7 @@ class DebugInfoSection : public DebugSection {
for (int param = 0; param < params; ++param) {
w->WriteULEB128(current_abbreviation++);
w->WriteString(
- *scope->parameter(param)->name()->ToCString(DISALLOW_NULLS));
+ scope->parameter(param)->name()->ToCString(DISALLOW_NULLS).get());
w->Write<uint32_t>(ty_offset);
Writer::Slot<uint32_t> block_size = w->CreateSlotHere<uint32_t>();
uintptr_t block_start = w->position();
@@ -1182,7 +1159,7 @@ class DebugInfoSection : public DebugSection {
for (int local = 0; local < locals; ++local) {
w->WriteULEB128(current_abbreviation++);
w->WriteString(
- *stack_locals[local]->name()->ToCString(DISALLOW_NULLS));
+ stack_locals[local]->name()->ToCString(DISALLOW_NULLS).get());
w->Write<uint32_t>(ty_offset);
Writer::Slot<uint32_t> block_size = w->CreateSlotHere<uint32_t>();
uintptr_t block_start = w->position();
@@ -1455,7 +1432,7 @@ class DebugLineSection : public DebugSection {
w->Write<uint8_t>(1); // DW_LNS_SET_COLUMN operands count.
w->Write<uint8_t>(0); // DW_LNS_NEGATE_STMT operands count.
w->Write<uint8_t>(0); // Empty include_directories sequence.
- w->WriteString(*desc_->GetFilename()); // File name.
+ w->WriteString(desc_->GetFilename().get()); // File name.
w->WriteULEB128(0); // Current directory.
w->WriteULEB128(0); // Unknown modification time.
w->WriteULEB128(0); // Unknown file size.
@@ -1841,7 +1818,7 @@ extern "C" {
JITDescriptor __jit_debug_descriptor = { 1, 0, 0, 0 };
#ifdef OBJECT_PRINT
- void __gdb_print_v8_object(MaybeObject* object) {
+ void __gdb_print_v8_object(Object* object) {
object->Print();
PrintF(stdout, "\n");
}
@@ -1856,7 +1833,7 @@ static JITCodeEntry* CreateCodeEntry(Address symfile_addr,
entry->symfile_addr_ = reinterpret_cast<Address>(entry + 1);
entry->symfile_size_ = symfile_size;
- OS::MemCopy(entry->symfile_addr_, symfile_addr, symfile_size);
+ MemCopy(entry->symfile_addr_, symfile_addr, symfile_size);
entry->prev_ = entry->next_ = NULL;
@@ -1880,12 +1857,12 @@ static void RegisterCodeEntry(JITCodeEntry* entry,
static const char* kObjFileExt = ".o";
char file_name[64];
- OS::SNPrintF(Vector<char>(file_name, kMaxFileNameSize),
- "%s%s%d%s",
- kElfFilePrefix,
- (name_hint != NULL) ? name_hint : "",
- file_num++,
- kObjFileExt);
+ SNPrintF(Vector<char>(file_name, kMaxFileNameSize),
+ "%s%s%d%s",
+ kElfFilePrefix,
+ (name_hint != NULL) ? name_hint : "",
+ file_num++,
+ kObjFileExt);
WriteBytes(file_name, entry->symfile_addr_, entry->symfile_size_);
}
#endif
@@ -2003,13 +1980,13 @@ void GDBJITInterface::AddCode(Handle<Name> name,
CompilationInfo* info) {
if (!FLAG_gdbjit) return;
- // Force initialization of line_ends array.
- GetScriptLineNumber(script, 0);
+ Script::InitLineEnds(script);
if (!name.is_null() && name->IsString()) {
SmartArrayPointer<char> name_cstring =
Handle<String>::cast(name)->ToCString(DISALLOW_NULLS);
- AddCode(*name_cstring, *code, GDBJITInterface::FUNCTION, *script, info);
+ AddCode(name_cstring.get(), *code, GDBJITInterface::FUNCTION, *script,
+ info);
} else {
AddCode("", *code, GDBJITInterface::FUNCTION, *script, info);
}
@@ -2132,7 +2109,7 @@ void GDBJITInterface::AddCode(GDBJITInterface::CodeTag tag,
Code* code) {
if (!FLAG_gdbjit) return;
if (name != NULL && name->IsString()) {
- AddCode(tag, *String::cast(name)->ToCString(DISALLOW_NULLS), code);
+ AddCode(tag, String::cast(name)->ToCString(DISALLOW_NULLS).get(), code);
} else {
AddCode(tag, "", code);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-07 08:35:38 +0000