From e64c6d42b652b4acf10d83e1bc86d4fd4ce28ef2 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 15 Feb 2023 19:45:16 -1000 Subject: [PATCH] linux-user/sparc: Handle tag overflow traps This trap is raised by taddcctv and tsubcctv insns. Signed-off-by: Richard Henderson Message-Id: <20230216054516.1267305-16-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/sparc/cpu_loop.c | 3 +++ linux-user/sparc/target_signal.h | 2 +- linux-user/syscall_defs.h | 5 +++++ 3 files changed, 9 insertions(+), 1 deletion(-) diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c index 5a8a71e976..b36bb2574b 100644 --- a/linux-user/sparc/cpu_loop.c +++ b/linux-user/sparc/cpu_loop.c @@ -328,6 +328,9 @@ void cpu_loop (CPUSPARCState *env) case TT_PRIV_INSN: force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->pc); break; + case TT_TOVF: + force_sig_fault(TARGET_SIGEMT, TARGET_EMT_TAGOVF, env->pc); + break; #ifdef TARGET_SPARC64 case TT_PRIV_ACT: /* Note do_privact defers to do_privop. */ diff --git a/linux-user/sparc/target_signal.h b/linux-user/sparc/target_signal.h index 87757f0c4e..f223eb4af6 100644 --- a/linux-user/sparc/target_signal.h +++ b/linux-user/sparc/target_signal.h @@ -8,7 +8,7 @@ #define TARGET_SIGTRAP 5 #define TARGET_SIGABRT 6 #define TARGET_SIGIOT 6 -#define TARGET_SIGSTKFLT 7 /* actually EMT */ +#define TARGET_SIGEMT 7 #define TARGET_SIGFPE 8 #define TARGET_SIGKILL 9 #define TARGET_SIGBUS 10 diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 77864de57f..614a1cbc8e 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -717,6 +717,11 @@ typedef struct target_siginfo { #define TARGET_TRAP_HWBKPT (4) /* hardware breakpoint/watchpoint */ #define TARGET_TRAP_UNK (5) /* undiagnosed trap */ +/* + * SIGEMT si_codes + */ +#define TARGET_EMT_TAGOVF 1 /* tag overflow */ + #include "target_resource.h" struct target_pollfd {