Nios II user-mode emulation was missing handling for EXCP_DEBUG,
making the gdb stub essentially useless. This patch adds the missing
piece. The new code was copied from the existing EXCP_TRAP handling
and is also similar to what other targets (e.g., arm) do with EXCP_DEBUG.
Signed-off-by: Sandra Loosemore <sandra@codesourcery.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
1550076626-7202-1-git-send-email-sandra@codesourcery.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
break;
}
+ case EXCP_DEBUG:
+ info.si_signo = TARGET_SIGTRAP;
+ info.si_errno = 0;
+ info.si_code = TARGET_TRAP_BRKPT;
+ queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
+ break;
case 0xaa:
switch (env->regs[R_PC]) {
/*case 0x1000:*/ /* TODO:__kuser_helper_version */