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linux-user/sparc: Handle tag overflow traps

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This trap is raised by taddcctv and tsubcctv insns.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230216054516.1267305-16-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2023-02-15 19:45:16 -10:00 • committed by Laurent Vivier
parent 4ea3af392f
commit e64c6d42b6
3 changed files with 9 additions and 1 deletions
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3
linux-user/sparc/cpu_loop.c
View file

@ -328,6 +328,9 @@ void cpu_loop (CPUSPARCState *env)
case TT_PRIV_INSN: case TT_PRIV_INSN:
force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->pc); force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->pc);
break; break;
case TT_TOVF:
force_sig_fault(TARGET_SIGEMT, TARGET_EMT_TAGOVF, env->pc);
break;
#ifdef TARGET_SPARC64 #ifdef TARGET_SPARC64
case TT_PRIV_ACT: case TT_PRIV_ACT:
/* Note do_privact defers to do_privop. */ /* Note do_privact defers to do_privop. */

2
linux-user/sparc/target_signal.h
View file

@ -8,7 +8,7 @@
#define TARGET_SIGTRAP 5 #define TARGET_SIGTRAP 5
#define TARGET_SIGABRT 6 #define TARGET_SIGABRT 6
#define TARGET_SIGIOT 6 #define TARGET_SIGIOT 6
#define TARGET_SIGSTKFLT 7 /* actually EMT */ #define TARGET_SIGEMT 7
#define TARGET_SIGFPE 8 #define TARGET_SIGFPE 8
#define TARGET_SIGKILL 9 #define TARGET_SIGKILL 9
#define TARGET_SIGBUS 10 #define TARGET_SIGBUS 10

5
linux-user/syscall_defs.h
View file

@ -717,6 +717,11 @@ typedef struct target_siginfo {
#define TARGET_TRAP_HWBKPT (4) /* hardware breakpoint/watchpoint */ #define TARGET_TRAP_HWBKPT (4) /* hardware breakpoint/watchpoint */
#define TARGET_TRAP_UNK (5) /* undiagnosed trap */ #define TARGET_TRAP_UNK (5) /* undiagnosed trap */
/*
* SIGEMT si_codes
*/
#define TARGET_EMT_TAGOVF 1 /* tag overflow */
#include "target_resource.h" #include "target_resource.h"
struct target_pollfd { struct target_pollfd {