mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-12-25 17:10:06 +00:00
Merge pull request #129 from Rozelette/master
gdbstub: Update registers and sizes for aarch64
This commit is contained in:
bunnei
GitHub
commit
4c07dde472
@ -57,9 +57,10 @@ const u32 SIGTERM = 15;
|
||||
const u32 MSG_WAITALL = 8;
|
||||
#endif
|
||||
|
||||
const u32 R15_REGISTER = 15;
|
||||
const u32 CPSR_REGISTER = 25;
|
||||
const u32 FPSCR_REGISTER = 58;
|
||||
const u32 X30_REGISTER = 30;
|
||||
const u32 SP_REGISTER = 31;
|
||||
const u32 PC_REGISTER = 32;
|
||||
const u32 CPSR_REGISTER = 33;
|
||||
|
||||
// For sample XML files see the GDB source /gdb/features
|
||||
// GDB also wants the l character at the start
|
||||
@ -68,48 +69,62 @@ static const char* target_xml =
|
||||
R"(l<?xml version="1.0"?>
|
||||
<!DOCTYPE target SYSTEM "gdb-target.dtd">
|
||||
<target version="1.0">
|
||||
<feature name="org.gnu.gdb.arm.core">
|
||||
<reg name="r0" bitsize="32"/>
|
||||
<reg name="r1" bitsize="32"/>
|
||||
<reg name="r2" bitsize="32"/>
|
||||
<reg name="r3" bitsize="32"/>
|
||||
<reg name="r4" bitsize="32"/>
|
||||
<reg name="r5" bitsize="32"/>
|
||||
<reg name="r6" bitsize="32"/>
|
||||
<reg name="r7" bitsize="32"/>
|
||||
<reg name="r8" bitsize="32"/>
|
||||
<reg name="r9" bitsize="32"/>
|
||||
<reg name="r10" bitsize="32"/>
|
||||
<reg name="r11" bitsize="32"/>
|
||||
<reg name="r12" bitsize="32"/>
|
||||
<reg name="sp" bitsize="32" type="data_ptr"/>
|
||||
<reg name="lr" bitsize="32"/>
|
||||
<reg name="pc" bitsize="32" type="code_ptr"/>
|
||||
<feature name="org.gnu.gdb.aarch64.core">
|
||||
<reg name="x0" bitsize="64"/>
|
||||
<reg name="x1" bitsize="64"/>
|
||||
<reg name="x2" bitsize="64"/>
|
||||
<reg name="x3" bitsize="64"/>
|
||||
<reg name="x4" bitsize="64"/>
|
||||
<reg name="x5" bitsize="64"/>
|
||||
<reg name="x6" bitsize="64"/>
|
||||
<reg name="x7" bitsize="64"/>
|
||||
<reg name="x8" bitsize="64"/>
|
||||
<reg name="x9" bitsize="64"/>
|
||||
<reg name="x10" bitsize="64"/>
|
||||
<reg name="x11" bitsize="64"/>
|
||||
<reg name="x12" bitsize="64"/>
|
||||
<reg name="x13" bitsize="64"/>
|
||||
<reg name="x14" bitsize="64"/>
|
||||
<reg name="x15" bitsize="64"/>
|
||||
<reg name="x16" bitsize="64"/>
|
||||
<reg name="x17" bitsize="64"/>
|
||||
<reg name="x18" bitsize="64"/>
|
||||
<reg name="x19" bitsize="64"/>
|
||||
<reg name="x20" bitsize="64"/>
|
||||
<reg name="x21" bitsize="64"/>
|
||||
<reg name="x22" bitsize="64"/>
|
||||
<reg name="x23" bitsize="64"/>
|
||||
<reg name="x24" bitsize="64"/>
|
||||
<reg name="x25" bitsize="64"/>
|
||||
<reg name="x26" bitsize="64"/>
|
||||
<reg name="x27" bitsize="64"/>
|
||||
<reg name="x28" bitsize="64"/>
|
||||
<reg name="x29" bitsize="64"/>
|
||||
<reg name="x30" bitsize="64"/>
|
||||
<reg name="sp" bitsize="64" type="data_ptr"/>
|
||||
|
||||
<!-- The CPSR is register 25, rather than register 16, because
|
||||
the FPA registers historically were placed between the PC
|
||||
and the CPSR in the "g" packet. -->
|
||||
<reg name="pc" bitsize="64" type="code_ptr"/>
|
||||
|
||||
<reg name="cpsr" bitsize="32" regnum="25"/>
|
||||
</feature>
|
||||
<feature name="org.gnu.gdb.arm.vfp">
|
||||
<reg name="d0" bitsize="64" type="float"/>
|
||||
<reg name="d1" bitsize="64" type="float"/>
|
||||
<reg name="d2" bitsize="64" type="float"/>
|
||||
<reg name="d3" bitsize="64" type="float"/>
|
||||
<reg name="d4" bitsize="64" type="float"/>
|
||||
<reg name="d5" bitsize="64" type="float"/>
|
||||
<reg name="d6" bitsize="64" type="float"/>
|
||||
<reg name="d7" bitsize="64" type="float"/>
|
||||
<reg name="d8" bitsize="64" type="float"/>
|
||||
<reg name="d9" bitsize="64" type="float"/>
|
||||
<reg name="d10" bitsize="64" type="float"/>
|
||||
<reg name="d11" bitsize="64" type="float"/>
|
||||
<reg name="d12" bitsize="64" type="float"/>
|
||||
<reg name="d13" bitsize="64" type="float"/>
|
||||
<reg name="d14" bitsize="64" type="float"/>
|
||||
<reg name="d15" bitsize="64" type="float"/>
|
||||
<reg name="fpscr" bitsize="32" type="int" group="float"/>
|
||||
<flags id="cpsr_flags" size="4">
|
||||
<field name="SP" start="0" end="0"/>
|
||||
<field name="" start="1" end="1"/>
|
||||
<field name="EL" start="2" end="3"/>
|
||||
<field name="nRW" start="4" end="4"/>
|
||||
<field name="" start="5" end="5"/>
|
||||
<field name="F" start="6" end="6"/>
|
||||
<field name="I" start="7" end="7"/>
|
||||
<field name="A" start="8" end="8"/>
|
||||
<field name="D" start="9" end="9"/>
|
||||
|
||||
<field name="IL" start="20" end="20"/>
|
||||
<field name="SS" start="21" end="21"/>
|
||||
|
||||
<field name="V" start="28" end="28"/>
|
||||
<field name="C" start="29" end="29"/>
|
||||
<field name="Z" start="30" end="30"/>
|
||||
<field name="N" start="31" end="31"/>
|
||||
</flags>
|
||||
<reg name="cpsr" bitsize="32" type="cpsr_flags"/>
|
||||
</feature>
|
||||
</target>
|
||||
)";
|
||||
@ -143,12 +158,12 @@ WSADATA InitData;
|
||||
struct Breakpoint {
|
||||
bool active;
|
||||
PAddr addr;
|
||||
u32 len;
|
||||
u64 len;
|
||||
};
|
||||
|
||||
static std::map<u32, Breakpoint> breakpoints_execute;
|
||||
static std::map<u32, Breakpoint> breakpoints_read;
|
||||
static std::map<u32, Breakpoint> breakpoints_write;
|
||||
static std::map<u64, Breakpoint> breakpoints_execute;
|
||||
static std::map<u64, Breakpoint> breakpoints_read;
|
||||
static std::map<u64, Breakpoint> breakpoints_write;
|
||||
|
||||
/**
|
||||
* Turns hex string character into the equivalent byte.
|
||||
@ -197,6 +212,21 @@ static u32 HexToInt(const u8* src, size_t len) {
|
||||
return output;
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts input hex string characters into an array of equivalent of u8 bytes.
|
||||
*
|
||||
* @param src Pointer to array of output hex string characters.
|
||||
* @param len Length of src array.
|
||||
*/
|
||||
static u64 HexToLong(const u8* src, size_t len) {
|
||||
u64 output = 0;
|
||||
while (len-- > 0) {
|
||||
output = (output << 4) | HexCharToValue(src[0]);
|
||||
src++;
|
||||
}
|
||||
return output;
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts input array of u8 bytes into their equivalent hex string characters.
|
||||
*
|
||||
@ -234,8 +264,21 @@ static void GdbHexToMem(u8* dest, const u8* src, size_t len) {
|
||||
*/
|
||||
static void IntToGdbHex(u8* dest, u32 v) {
|
||||
for (int i = 0; i < 8; i += 2) {
|
||||
dest[i + 1] = NibbleToHex(v >> (4 * i));
|
||||
dest[i] = NibbleToHex(v >> (4 * (i + 1)));
|
||||
dest[i + 1] = NibbleToHex(static_cast<u8>(v >> (4 * i)));
|
||||
dest[i] = NibbleToHex(static_cast<u8>(v >> (4 * (i + 1))));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert a u64 into a gdb-formatted hex string.
|
||||
*
|
||||
* @param dest Pointer to buffer to store output hex string characters.
|
||||
* @param v Value to convert.
|
||||
*/
|
||||
static void LongToGdbHex(u8* dest, u64 v) {
|
||||
for (int i = 0; i < 16; i += 2) {
|
||||
dest[i + 1] = NibbleToHex(static_cast<u8>(v >> (4 * i)));
|
||||
dest[i] = NibbleToHex(static_cast<u8>(v >> (4 * (i + 1))));
|
||||
}
|
||||
}
|
||||
|
||||
@ -255,6 +298,22 @@ static u32 GdbHexToInt(const u8* src) {
|
||||
return output;
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert a gdb-formatted hex string into a u64.
|
||||
*
|
||||
* @param src Pointer to hex string.
|
||||
*/
|
||||
static u64 GdbHexToLong(const u8* src) {
|
||||
u64 output = 0;
|
||||
|
||||
for (int i = 0; i < 16; i += 2) {
|
||||
output = (output << 4) | HexCharToValue(src[15 - i - 1]);
|
||||
output = (output << 4) | HexCharToValue(src[15 - i]);
|
||||
}
|
||||
|
||||
return output;
|
||||
}
|
||||
|
||||
/// Read a byte from the gdb client.
|
||||
static u8 ReadByte() {
|
||||
u8 c;
|
||||
@ -277,7 +336,7 @@ static u8 CalculateChecksum(const u8* buffer, size_t length) {
|
||||
*
|
||||
* @param type Type of breakpoint list.
|
||||
*/
|
||||
static std::map<u32, Breakpoint>& GetBreakpointList(BreakpointType type) {
|
||||
static std::map<u64, Breakpoint>& GetBreakpointList(BreakpointType type) {
|
||||
switch (type) {
|
||||
case BreakpointType::Execute:
|
||||
return breakpoints_execute;
|
||||
@ -297,19 +356,19 @@ static std::map<u32, Breakpoint>& GetBreakpointList(BreakpointType type) {
|
||||
* @param addr Address of breakpoint.
|
||||
*/
|
||||
static void RemoveBreakpoint(BreakpointType type, PAddr addr) {
|
||||
std::map<u32, Breakpoint>& p = GetBreakpointList(type);
|
||||
std::map<u64, Breakpoint>& p = GetBreakpointList(type);
|
||||
|
||||
auto bp = p.find(static_cast<u32>(addr));
|
||||
auto bp = p.find(static_cast<u64>(addr));
|
||||
if (bp != p.end()) {
|
||||
LOG_DEBUG(Debug_GDBStub, "gdb: removed a breakpoint: %08x bytes at %08x of type %d\n",
|
||||
bp->second.len, bp->second.addr, type);
|
||||
p.erase(static_cast<u32>(addr));
|
||||
p.erase(static_cast<u64>(addr));
|
||||
}
|
||||
}
|
||||
|
||||
BreakpointAddress GetNextBreakpointFromAddress(PAddr addr, BreakpointType type) {
|
||||
std::map<u32, Breakpoint>& p = GetBreakpointList(type);
|
||||
auto next_breakpoint = p.lower_bound(static_cast<u32>(addr));
|
||||
std::map<u64, Breakpoint>& p = GetBreakpointList(type);
|
||||
auto next_breakpoint = p.lower_bound(static_cast<u64>(addr));
|
||||
BreakpointAddress breakpoint;
|
||||
|
||||
if (next_breakpoint != p.end()) {
|
||||
@ -328,11 +387,11 @@ bool CheckBreakpoint(PAddr addr, BreakpointType type) {
|
||||
return false;
|
||||
}
|
||||
|
||||
std::map<u32, Breakpoint>& p = GetBreakpointList(type);
|
||||
std::map<u64, Breakpoint>& p = GetBreakpointList(type);
|
||||
|
||||
auto bp = p.find(static_cast<u32>(addr));
|
||||
auto bp = p.find(static_cast<u64>(addr));
|
||||
if (bp != p.end()) {
|
||||
u32 len = bp->second.len;
|
||||
u64 len = bp->second.len;
|
||||
|
||||
// IDA Pro defaults to 4-byte breakpoints for all non-hardware breakpoints
|
||||
// no matter if it's a 4-byte or 2-byte instruction. When you execute a
|
||||
@ -419,7 +478,7 @@ static void HandleQuery() {
|
||||
SendReply("T0");
|
||||
} else if (strncmp(query, "Supported", strlen("Supported")) == 0) {
|
||||
// PacketSize needs to be large enough for target xml
|
||||
SendReply("PacketSize=800;qXfer:features:read+");
|
||||
SendReply("PacketSize=2000;qXfer:features:read+");
|
||||
} else if (strncmp(query, "Xfer:features:read:target.xml:",
|
||||
strlen("Xfer:features:read:target.xml:")) == 0) {
|
||||
SendReply(target_xml);
|
||||
@ -450,10 +509,7 @@ static void SendSignal(u32 signal) {
|
||||
|
||||
latest_signal = signal;
|
||||
|
||||
std::string buffer =
|
||||
Common::StringFromFormat("T%02x%02x:%08x;%02x:%08x;", latest_signal, 15,
|
||||
htonl(static_cast<u_long>(Core::CPU().GetPC())), 13,
|
||||
htonl(static_cast<u_long>(Core::CPU().GetReg(13))));
|
||||
std::string buffer = Common::StringFromFormat("T%02x", latest_signal);
|
||||
LOG_DEBUG(Debug_GDBStub, "Response: %s", buffer.c_str());
|
||||
SendReply(buffer.c_str());
|
||||
}
|
||||
@ -539,16 +595,12 @@ static void ReadRegister() {
|
||||
id |= HexCharToValue(command_buffer[2]);
|
||||
}
|
||||
|
||||
if (id <= R15_REGISTER) {
|
||||
IntToGdbHex(reply, static_cast<u32>(Core::CPU().GetReg(static_cast<u64>(id))));
|
||||
if (id <= SP_REGISTER) {
|
||||
LongToGdbHex(reply, Core::CPU().GetReg(static_cast<int>(id)));
|
||||
} else if (id == PC_REGISTER) {
|
||||
LongToGdbHex(reply, Core::CPU().GetPC());
|
||||
} else if (id == CPSR_REGISTER) {
|
||||
IntToGdbHex(reply, Core::CPU().GetCPSR());
|
||||
} else if (id > CPSR_REGISTER && id < FPSCR_REGISTER) {
|
||||
IntToGdbHex(reply, Core::CPU().GetVFPReg(
|
||||
id - CPSR_REGISTER -
|
||||
1)); // VFP registers should start at 26, so one after CSPR_REGISTER
|
||||
} else if (id == FPSCR_REGISTER) {
|
||||
UNIMPLEMENTED();
|
||||
} else {
|
||||
return SendReply("E01");
|
||||
}
|
||||
@ -563,21 +615,19 @@ static void ReadRegisters() {
|
||||
|
||||
u8* bufptr = buffer;
|
||||
|
||||
for (int reg = 0; reg <= R15_REGISTER; reg++) {
|
||||
IntToGdbHex(bufptr + reg * CHAR_BIT, static_cast<u32>(Core::CPU().GetReg(reg)));
|
||||
for (int reg = 0; reg <= SP_REGISTER; reg++) {
|
||||
LongToGdbHex(bufptr + reg * 16, Core::CPU().GetReg(reg));
|
||||
}
|
||||
|
||||
bufptr += (16 * CHAR_BIT);
|
||||
bufptr += (32 * 16);
|
||||
|
||||
LongToGdbHex(bufptr, Core::CPU().GetPC());
|
||||
|
||||
bufptr += 16;
|
||||
|
||||
IntToGdbHex(bufptr, Core::CPU().GetCPSR());
|
||||
|
||||
bufptr += CHAR_BIT;
|
||||
|
||||
for (int reg = 0; reg <= 31; reg++) {
|
||||
IntToGdbHex(bufptr + reg * CHAR_BIT, Core::CPU().GetVFPReg(reg));
|
||||
}
|
||||
|
||||
bufptr += (32 * CHAR_BIT);
|
||||
bufptr += 8;
|
||||
|
||||
SendReply(reinterpret_cast<char*>(buffer));
|
||||
}
|
||||
@ -593,14 +643,12 @@ static void WriteRegister() {
|
||||
id |= HexCharToValue(command_buffer[2]);
|
||||
}
|
||||
|
||||
if (id <= R15_REGISTER) {
|
||||
Core::CPU().SetReg(id, GdbHexToInt(buffer_ptr));
|
||||
if (id <= SP_REGISTER) {
|
||||
Core::CPU().SetReg(id, GdbHexToLong(buffer_ptr));
|
||||
} else if (id == PC_REGISTER) {
|
||||
Core::CPU().SetPC(GdbHexToLong(buffer_ptr));
|
||||
} else if (id == CPSR_REGISTER) {
|
||||
Core::CPU().SetCPSR(GdbHexToInt(buffer_ptr));
|
||||
} else if (id > CPSR_REGISTER && id < FPSCR_REGISTER) {
|
||||
Core::CPU().SetVFPReg(id - CPSR_REGISTER - 1, GdbHexToInt(buffer_ptr));
|
||||
} else if (id == FPSCR_REGISTER) {
|
||||
UNIMPLEMENTED();
|
||||
} else {
|
||||
return SendReply("E01");
|
||||
}
|
||||
@ -615,20 +663,14 @@ static void WriteRegisters() {
|
||||
if (command_buffer[0] != 'G')
|
||||
return SendReply("E01");
|
||||
|
||||
for (int i = 0, reg = 0; reg <= FPSCR_REGISTER; i++, reg++) {
|
||||
if (reg <= R15_REGISTER) {
|
||||
Core::CPU().SetReg(reg, GdbHexToInt(buffer_ptr + i * CHAR_BIT));
|
||||
for (int i = 0, reg = 0; reg <= CPSR_REGISTER; i++, reg++) {
|
||||
if (reg <= SP_REGISTER) {
|
||||
Core::CPU().SetReg(reg, GdbHexToLong(buffer_ptr + i * 16));
|
||||
} else if (reg == PC_REGISTER) {
|
||||
Core::CPU().SetPC(GdbHexToLong(buffer_ptr + i * 16));
|
||||
} else if (reg == CPSR_REGISTER) {
|
||||
Core::CPU().SetCPSR(GdbHexToInt(buffer_ptr + i * CHAR_BIT));
|
||||
} else if (reg == CPSR_REGISTER - 1) {
|
||||
// Dummy FPA register, ignore
|
||||
} else if (reg < CPSR_REGISTER) {
|
||||
// Dummy FPA registers, ignore
|
||||
i += 2;
|
||||
} else if (reg > CPSR_REGISTER && reg < FPSCR_REGISTER) {
|
||||
Core::CPU().SetVFPReg(reg - CPSR_REGISTER - 1, GdbHexToInt(buffer_ptr + i * CHAR_BIT));
|
||||
i++; // Skip padding
|
||||
} else if (reg == FPSCR_REGISTER) {
|
||||
Core::CPU().SetCPSR(GdbHexToInt(buffer_ptr + i * 16));
|
||||
} else {
|
||||
UNIMPLEMENTED();
|
||||
}
|
||||
}
|
||||
@ -642,13 +684,13 @@ static void ReadMemory() {
|
||||
|
||||
auto start_offset = command_buffer + 1;
|
||||
auto addr_pos = std::find(start_offset, command_buffer + command_length, ',');
|
||||
VAddr addr = HexToInt(start_offset, static_cast<u32>(addr_pos - start_offset));
|
||||
VAddr addr = HexToLong(start_offset, static_cast<u64>(addr_pos - start_offset));
|
||||
|
||||
start_offset = addr_pos + 1;
|
||||
u32 len =
|
||||
HexToInt(start_offset, static_cast<u32>((command_buffer + command_length) - start_offset));
|
||||
u64 len =
|
||||
HexToLong(start_offset, static_cast<u64>((command_buffer + command_length) - start_offset));
|
||||
|
||||
LOG_DEBUG(Debug_GDBStub, "gdb: addr: %08x len: %08x\n", addr, len);
|
||||
LOG_DEBUG(Debug_GDBStub, "gdb: addr: %016llx len: %016llx\n", addr, len);
|
||||
|
||||
if (len * 2 > sizeof(reply)) {
|
||||
SendReply("E01");
|
||||
@ -670,11 +712,11 @@ static void ReadMemory() {
|
||||
static void WriteMemory() {
|
||||
auto start_offset = command_buffer + 1;
|
||||
auto addr_pos = std::find(start_offset, command_buffer + command_length, ',');
|
||||
VAddr addr = HexToInt(start_offset, static_cast<u32>(addr_pos - start_offset));
|
||||
VAddr addr = HexToLong(start_offset, static_cast<u64>(addr_pos - start_offset));
|
||||
|
||||
start_offset = addr_pos + 1;
|
||||
auto len_pos = std::find(start_offset, command_buffer + command_length, ':');
|
||||
u32 len = HexToInt(start_offset, static_cast<u32>(len_pos - start_offset));
|
||||
u64 len = HexToLong(start_offset, static_cast<u64>(len_pos - start_offset));
|
||||
|
||||
if (!Memory::IsValidVirtualAddress(addr)) {
|
||||
return SendReply("E00");
|
||||
@ -727,8 +769,8 @@ static void Continue() {
|
||||
* @param addr Address of breakpoint.
|
||||
* @param len Length of breakpoint.
|
||||
*/
|
||||
static bool CommitBreakpoint(BreakpointType type, PAddr addr, u32 len) {
|
||||
std::map<u32, Breakpoint>& p = GetBreakpointList(type);
|
||||
static bool CommitBreakpoint(BreakpointType type, PAddr addr, u64 len) {
|
||||
std::map<u64, Breakpoint>& p = GetBreakpointList(type);
|
||||
|
||||
Breakpoint breakpoint;
|
||||
breakpoint.active = true;
|
||||
@ -767,11 +809,11 @@ static void AddBreakpoint() {
|
||||
|
||||
auto start_offset = command_buffer + 3;
|
||||
auto addr_pos = std::find(start_offset, command_buffer + command_length, ',');
|
||||
PAddr addr = HexToInt(start_offset, static_cast<u32>(addr_pos - start_offset));
|
||||
PAddr addr = HexToLong(start_offset, static_cast<u64>(addr_pos - start_offset));
|
||||
|
||||
start_offset = addr_pos + 1;
|
||||
u32 len =
|
||||
HexToInt(start_offset, static_cast<u32>((command_buffer + command_length) - start_offset));
|
||||
u64 len =
|
||||
HexToLong(start_offset, static_cast<u64>((command_buffer + command_length) - start_offset));
|
||||
|
||||
if (type == BreakpointType::Access) {
|
||||
// Access is made up of Read and Write types, so add both breakpoints
|
||||
@ -816,7 +858,7 @@ static void RemoveBreakpoint() {
|
||||
|
||||
auto start_offset = command_buffer + 3;
|
||||
auto addr_pos = std::find(start_offset, command_buffer + command_length, ',');
|
||||
PAddr addr = HexToInt(start_offset, static_cast<u32>(addr_pos - start_offset));
|
||||
PAddr addr = HexToLong(start_offset, static_cast<u64>(addr_pos - start_offset));
|
||||
|
||||
if (type == BreakpointType::Access) {
|
||||
// Access is made up of Read and Write types, so add both breakpoints
|
||||
|
||||
Loading…
Reference in New Issue
Block a user