DBT-RISE/DBT-RISE-TGC
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Improved disassembly of running ISS

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This commit is contained in:
Eyck Jentzsch
2018-11-24 20:29:24 +01:00
parent df03e90181
commit 769610d6fc
27 changed files with 5277 additions and 5106 deletions
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25
riscv/incl/iss/debugger/riscv_target_adapter.h
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@ -40,6 +40,7 @@
#include <array>
#include <memory>
#include <fmt/format.h>
#include <util/logging.h>
namespace iss {
@ -180,8 +181,8 @@ status riscv_target_adapter<ARCH>::read_registers(std::vector<uint8_t> &data, st
avail.clear();
const uint8_t *reg_base = core->get_regs_base_ptr();
for (size_t reg_no = 0; reg_no < arch::traits<ARCH>::NUM_REGS; ++reg_no) {
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no)) / 8;
unsigned offset = traits<ARCH>::reg_byte_offset(reg_no);
auto reg_width = arch::traits<ARCH>::reg_bit_widths[static_cast<typename arch::traits<ARCH>::reg_e>(reg_no)] / 8;
unsigned offset = traits<ARCH>::reg_byte_offsets[reg_no];
for (size_t j = 0; j < reg_width; ++j) {
data.push_back(*(reg_base + offset + j));
avail.push_back(0xff);
@ -215,8 +216,8 @@ template <typename ARCH> status riscv_target_adapter<ARCH>::write_registers(cons
auto *reg_base = core->get_regs_base_ptr();
auto iter = data.data();
for (size_t reg_no = 0; reg_no < reg_count; ++reg_no) {
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no)) / 8;
auto offset = traits<ARCH>::reg_byte_offset(reg_no);
auto reg_width = arch::traits<ARCH>::reg_bit_widths[static_cast<typename arch::traits<ARCH>::reg_e>(reg_no)] / 8;
auto offset = traits<ARCH>::reg_byte_offsets[reg_no];
std::copy(iter, iter + reg_width, reg_base);
iter += 4;
reg_base += offset;
@ -231,10 +232,10 @@ status riscv_target_adapter<ARCH>::read_single_register(unsigned int reg_no, std
// auto reg_size = arch::traits<ARCH>::reg_bit_width(static_cast<typename
// arch::traits<ARCH>::reg_e>(reg_no))/8;
auto *reg_base = core->get_regs_base_ptr();
auto reg_width = arch::traits<ARCH>::reg_bit_width(reg_no) / 8;
auto reg_width = arch::traits<ARCH>::reg_bit_widths[reg_no] / 8;
data.resize(reg_width);
avail.resize(reg_width);
auto offset = traits<ARCH>::reg_byte_offset(reg_no);
auto offset = traits<ARCH>::reg_byte_offsets[reg_no];
std::copy(reg_base + offset, reg_base + offset + reg_width, data.begin());
std::fill(avail.begin(), avail.end(), 0xff);
} else {
@ -251,8 +252,8 @@ template <typename ARCH>
status riscv_target_adapter<ARCH>::write_single_register(unsigned int reg_no, const std::vector<uint8_t> &data) {
if (reg_no < 65) {
auto *reg_base = core->get_regs_base_ptr();
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no)) / 8;
auto offset = traits<ARCH>::reg_byte_offset(reg_no);
auto reg_width = arch::traits<ARCH>::reg_bit_widths[static_cast<typename arch::traits<ARCH>::reg_e>(reg_no)] / 8;
auto offset = traits<ARCH>::reg_byte_offsets[reg_no];
std::copy(data.begin(), data.begin() + reg_width, reg_base + offset);
} else {
typed_addr_t<iss::address_type::PHYSICAL> a(iss::access_type::DEBUG_WRITE, traits<ARCH>::CSR, reg_no - 65);
@ -296,9 +297,7 @@ template <typename ARCH> status riscv_target_adapter<ARCH>::raw_query(std::strin
template <typename ARCH> status riscv_target_adapter<ARCH>::threadinfo_query(int first, std::string &out_buf) {
if (first) {
std::stringstream ss;
ss << "m" << std::hex << thread_idx.val;
out_buf = ss.str();
out_buf = fmt::format("m{:x}", thread_idx.val);
} else {
out_buf = "l";
}
@ -348,8 +347,8 @@ template <typename ARCH>
status riscv_target_adapter<ARCH>::resume_from_addr(bool step, int sig, uint64_t addr, rp_thread_ref thread,
std::function<void(unsigned)> stop_callback) {
auto *reg_base = core->get_regs_base_ptr();
auto reg_width = arch::traits<ARCH>::reg_bit_width(arch::traits<ARCH>::PC) / 8;
auto offset = traits<ARCH>::reg_byte_offset(arch::traits<ARCH>::PC);
auto reg_width = arch::traits<ARCH>::reg_bit_widths[arch::traits<ARCH>::PC] / 8;
auto offset = traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::PC];
const uint8_t *iter = reinterpret_cast<const uint8_t *>(&addr);
std::copy(iter, iter + reg_width, reg_base);
return resume_from_current(step, sig, thread, stop_callback);