Signed-off-by: Mihail Abakumov <mikhail.abaku...@ispras.ru> Signed-off-by: Pavel Dovgalyuk <dovga...@ispras.ru> Signed-off-by: Dmitriy Koltunov <koltu...@ispras.ru> --- include/exec/windbgstub-utils.h | 2 ++ target/i386/windbgstub.c | 39 +++++++++++++++++++++++++++++++++++++++ windbgstub.c | 8 ++++++++ 3 files changed, 49 insertions(+)
diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h index 552318ad05..39fbfc8d3a 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -95,6 +95,8 @@ InitedAddr *windbg_get_version(void); void kd_api_read_virtual_memory(CPUState *cpu, PacketData *pd); void kd_api_write_virtual_memory(CPUState *cpu, PacketData *pd); +void kd_api_get_context(CPUState *cpu, PacketData *pd); +void kd_api_set_context(CPUState *cpu, PacketData *pd); void kd_api_unsupported(CPUState *cpu, PacketData *pd); SizedBuf kd_gen_exception_sc(CPUState *cpu); diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c index dcbb8313b5..175fa09f24 100755 --- a/target/i386/windbgstub.c +++ b/target/i386/windbgstub.c @@ -271,6 +271,45 @@ typedef struct _CPU_KPROCESSOR_STATE { #endif +static int windbg_read_context(CPUState *cpu, uint8_t *buf, int buf_size, + int offset, int len) +{ + return 0; +} + +static int windbg_write_context(CPUState *cpu, uint8_t *buf, int buf_size, + int offset, int len) +{ + return 0; +} + +void kd_api_get_context(CPUState *cpu, PacketData *pd) +{ + int err; + + pd->extra_size = sizeof(CPU_CONTEXT); + err = windbg_read_context(cpu, pd->extra, pd->extra_size, 0, + pd->extra_size); + + if (err) { + pd->extra_size = 0; + pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL; + } +} + +void kd_api_set_context(CPUState *cpu, PacketData *pd) +{ + int err; + + err = windbg_write_context(cpu, pd->extra, pd->extra_size, 0, + sizeof(CPU_CONTEXT)); + pd->extra_size = 0; + + if (err) { + pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL; + } +} + bool windbg_on_load(void) { CPUState *cpu = qemu_get_cpu(0); diff --git a/windbgstub.c b/windbgstub.c index 1725107722..ad8638b793 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -148,6 +148,14 @@ static void windbg_process_manipulate_packet(ParsingContext *ctx) kd_api_write_virtual_memory(cpu, &ctx->data); break; + case DbgKdGetContextApi: + kd_api_get_context(cpu, &ctx->data); + break; + + case DbgKdSetContextApi: + kd_api_set_context(cpu, &ctx->data); + break; + default: kd_api_unsupported(cpu, &ctx->data); break;