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Code Issues Releases Activity

Memory: Remove all GetPointer usages from the GDB stub.

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This commit is contained in:
Subv 2017-10-04 11:33:32 -05:00
parent 30fabc41c6
commit 7772fc0731
1 changed files with 12 additions and 8 deletions
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20
src/core/gdbstub/gdbstub.cpp
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@ -644,7 +644,7 @@ static void ReadMemory() {
auto start_offset = command_buffer + 1; auto start_offset = command_buffer + 1;
auto addr_pos = std::find(start_offset, command_buffer + command_length, ','); auto addr_pos = std::find(start_offset, command_buffer + command_length, ',');
PAddr addr = HexToInt(start_offset, static_cast<u32>(addr_pos - start_offset)); VAddr addr = HexToInt(start_offset, static_cast<u32>(addr_pos - start_offset));
start_offset = addr_pos + 1; start_offset = addr_pos + 1;
u32 len = u32 len =
@ -656,12 +656,14 @@ static void ReadMemory() {
SendReply("E01"); SendReply("E01");
} }
const u8* data = Memory::GetPointer(addr); if (!Memory::IsValidVirtualAddress(addr)) {
if (!data) {
return SendReply("E00"); return SendReply("E00");
} }
MemToGdbHex(reply, data, len); std::vector<u8> data(len);
Memory::ReadBlock(addr, data.data(), len);
MemToGdbHex(reply, data.data(), len);
reply[len * 2] = '\0'; reply[len * 2] = '\0';
SendReply(reinterpret_cast<char*>(reply)); SendReply(reinterpret_cast<char*>(reply));
} }
@ -670,18 +672,20 @@ static void ReadMemory() {
static void WriteMemory() { static void WriteMemory() {
auto start_offset = command_buffer + 1; auto start_offset = command_buffer + 1;
auto addr_pos = std::find(start_offset, command_buffer + command_length, ','); auto addr_pos = std::find(start_offset, command_buffer + command_length, ',');
PAddr addr = HexToInt(start_offset, static_cast<u32>(addr_pos - start_offset)); VAddr addr = HexToInt(start_offset, static_cast<u32>(addr_pos - start_offset));
start_offset = addr_pos + 1; start_offset = addr_pos + 1;
auto len_pos = std::find(start_offset, command_buffer + command_length, ':'); auto len_pos = std::find(start_offset, command_buffer + command_length, ':');
u32 len = HexToInt(start_offset, static_cast<u32>(len_pos - start_offset)); u32 len = HexToInt(start_offset, static_cast<u32>(len_pos - start_offset));
u8* dst = Memory::GetPointer(addr); if (!Memory::IsValidVirtualAddress(addr)) {
if (!dst) {
return SendReply("E00"); return SendReply("E00");
} }
GdbHexToMem(dst, len_pos + 1, len); std::vector<u8> data(len);
GdbHexToMem(data.data(), len_pos + 1, len);
Memory::WriteBlock(addr, data.data(), len);
SendReply("OK"); SendReply("OK");
} }