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thermosphere: introduce GDB_TEST_NO_CMD_DATA

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This commit is contained in:
TuxSH 2020-02-07 02:26:18 +00:00
parent dd7f0b805b
commit ff2c835b0a
3 changed files with 15 additions and 7 deletions
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16
thermosphere/src/gdb/hvisor_gdb_defines_internal.hpp
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@ -30,17 +30,19 @@
// IDA seems to want additional bytes as well.
// 1024 is fine enough to put all regs in the 'T' stop reply packets
// Add 4 to this for the actual allocated size, for $#<checksum>, see below.
#define GDB_BUF_LEN 0x800
#define GDB_WORK_BUF_LEN 0x1000
#define GDB_BUF_LEN 0x800
#define GDB_WORK_BUF_LEN 0x1000
#define GDB_HANDLER(name) Handle##name
#define GDB_QUERY_HANDLER(name) GDB_HANDLER(Query##name)
#define GDB_VERBOSE_HANDLER(name) GDB_HANDLER(Verbose##name)
#define GDB_REMOTE_COMMAND_HANDLER(name) GDB_HANDLER(RemoteCommand##name)
#define GDB_XFER_HANDLER(name) GDB_HANDLER(Xfer##name)
#define GDB_HANDLER(name) Handle##name
#define GDB_QUERY_HANDLER(name) GDB_HANDLER(Query##name)
#define GDB_VERBOSE_HANDLER(name) GDB_HANDLER(Verbose##name)
#define GDB_REMOTE_COMMAND_HANDLER(name) GDB_HANDLER(RemoteCommand##name)
#define GDB_XFER_HANDLER(name) GDB_HANDLER(Xfer##name)
#define GDB_DEFINE_HANDLER(name) int Context::GDB_HANDLER(name)()
#define GDB_DEFINE_QUERY_HANDLER(name) GDB_DEFINE_HANDLER(Query##name)
#define GDB_DEFINE_VERBOSE_HANDLER(name) GDB_DEFINE_HANDLER(Verbose##name)
#define GDB_DEFINE_REMOTE_COMMAND_HANDLER(name) GDB_DEFINE_HANDLER(RemoteCommand##name)
#define GDB_DECLARE_XFER_HANDLER(name) GDB_DEFINE_HANDLER(Xfer##name)
#define GDB_TEST_NO_CMD_DATA() do { if (!m_commandData.empty()) return ReplyErrno(EILSEQ); } while (false)

1
thermosphere/src/gdb/hvisor_gdb_regs.cpp
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@ -75,6 +75,7 @@ namespace ams::hvisor::gdb {
GDB_DEFINE_HANDLER(ReadRegisters)
{
ENSURE(m_selectedCoreId == currentCoreCtx->coreId);
GDB_TEST_NO_CMD_DATA();
ExceptionStackFrame *frame = currentCoreCtx->guestFrame;
FpuRegisterCache *fpuRegCache = fpuReadRegisters();

5
thermosphere/src/gdb/hvisor_gdb_thread.cpp
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@ -96,11 +96,14 @@ namespace ams::hvisor::gdb {
GDB_DEFINE_QUERY_HANDLER(CurrentThreadId)
{
GDB_TEST_NO_CMD_DATA();
return SendFormattedPacket("QC%x", 1 + currentCoreCtx->coreId);
}
GDB_DEFINE_QUERY_HANDLER(fThreadInfo)
{
GDB_TEST_NO_CMD_DATA();
// We have made our GDB packet big enough to list all the thread ids (coreIds + 1 for each coreId)
char *buf = GetInPlaceOutputBuffer();
size_t n = 0;
@ -117,6 +120,8 @@ namespace ams::hvisor::gdb {
GDB_DEFINE_QUERY_HANDLER(sThreadInfo)
{
GDB_TEST_NO_CMD_DATA();
// We have made our GDB packet big enough to list all the thread ids (coreIds + 1 for each coreId) in fThreadInfo
// Note: we assume GDB doesn't accept notifications during the sequence transfer...
return SendPacket("l");