MAINTAINERS | 4 + configure | 8 + gdbstub/internals.h | 212 ++- include/exec/cpu-defs.h | 19 +- include/exec/exec-all.h | 1 - include/exec/gdbstub.h | 208 --- include/exec/target_long.h | 42 + include/exec/tb-flush.h | 26 + include/gdbstub/helpers.h | 103 ++ include/gdbstub/syscalls.h | 113 ++ include/gdbstub/user.h | 43 + include/sysemu/accel-ops.h | 1 + linux-user/user-internals.h | 1 + accel/kvm/kvm-accel-ops.c | 8 + accel/stubs/tcg-stub.c | 1 + accel/tcg/tb-maint.c | 1 + accel/tcg/translate-all.c | 1 + bsd-user/freebsd/os-syscall.c | 2 + bsd-user/main.c | 1 + bsd-user/signal.c | 1 + cpu.c | 12 +- gdbstub/gdbstub.c | 1655 ++------------------ gdbstub/softmmu.c | 603 ++++++- gdbstub/syscalls.c | 205 +++ gdbstub/user-target.c | 283 ++++ gdbstub/user.c | 423 ++++- hw/ppc/spapr_hcall.c | 1 + linux-user/exit.c | 2 +- linux-user/main.c | 1 + linux-user/signal.c | 2 +- plugins/core.c | 1 + plugins/loader.c | 2 +- semihosting/arm-compat-semi.c | 1 + semihosting/guestfd.c | 2 +- semihosting/syscalls.c | 37 +- softmmu/runstate.c | 2 +- stubs/semihost-all.c | 17 + stubs/semihost.c | 5 - target/alpha/gdbstub.c | 2 +- target/alpha/sys_helper.c | 1 + target/arm/gdbstub.c | 1 + target/arm/gdbstub64.c | 2 +- target/arm/tcg/helper-a64.c | 2 +- target/arm/tcg/m_helper.c | 1 + target/avr/gdbstub.c | 2 +- target/cris/gdbstub.c | 2 +- target/hexagon/gdbstub.c | 2 +- target/hppa/gdbstub.c | 2 +- target/i386/gdbstub.c | 2 +- target/i386/whpx/whpx-all.c | 2 +- target/loongarch/gdbstub.c | 1 + target/m68k/gdbstub.c | 2 +- target/m68k/helper.c | 1 + target/m68k/m68k-semi.c | 3 +- target/microblaze/gdbstub.c | 2 +- target/mips/gdbstub.c | 2 +- target/mips/tcg/sysemu/mips-semi.c | 3 +- target/nios2/cpu.c | 2 +- target/nios2/nios2-semi.c | 3 +- target/openrisc/gdbstub.c | 2 +- target/openrisc/interrupt.c | 2 +- target/openrisc/mmu.c | 2 +- target/ppc/cpu_init.c | 2 +- target/ppc/gdbstub.c | 1 + target/riscv/csr.c | 1 + target/riscv/gdbstub.c | 1 + target/rx/gdbstub.c | 2 +- target/s390x/gdbstub.c | 1 + target/s390x/helper.c | 2 +- target/sh4/gdbstub.c | 2 +- target/sparc/gdbstub.c | 2 +- target/tricore/gdbstub.c | 2 +- target/xtensa/core-dc232b.c | 2 +- target/xtensa/core-dc233c.c | 2 +- target/xtensa/core-de212.c | 2 +- target/xtensa/core-de233_fpu.c | 2 +- target/xtensa/core-dsp3400.c | 2 +- target/xtensa/core-fsf.c | 2 +- target/xtensa/core-lx106.c | 2 +- target/xtensa/core-sample_controller.c | 2 +- target/xtensa/core-test_kc705_be.c | 2 +- target/xtensa/core-test_mmuhifi_c3.c | 2 +- target/xtensa/gdbstub.c | 2 +- target/xtensa/helper.c | 2 +- gdbstub/meson.build | 34 +- gdbstub/trace-events | 4 +- scripts/probe-gdb-support.py | 88 ++ stubs/meson.build | 1 + target/xtensa/import_core.sh | 2 +- tests/tcg/aarch64/Makefile.target | 2 +- tests/tcg/multiarch/Makefile.target | 5 + tests/tcg/multiarch/system/Makefile.softmmu-target | 6 +- tests/tcg/s390x/Makefile.target | 2 +- 93 files changed, 2462 insertions(+), 1818 deletions(-) create mode 100644 include/exec/target_long.h create mode 100644 include/exec/tb-flush.h create mode 100644 include/gdbstub/helpers.h create mode 100644 include/gdbstub/syscalls.h create mode 100644 include/gdbstub/user.h create mode 100644 gdbstub/syscalls.c create mode 100644 gdbstub/user-target.c create mode 100644 stubs/semihost-all.c create mode 100755 scripts/probe-gdb-support.py