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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42d; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1632017302588100001 Content-Type: text/plain; charset="utf-8" Rename to do_tr_or_bp, as per the kernel function. Add a 'trap' argument, akin to the kernel's si_code, but clearer. The return value is always 0, so change the return value to void. Use force_sig and force_sig_fault. Signed-off-by: Richard Henderson --- linux-user/mips/cpu_loop.c | 47 ++++++++++++++++++++++---------------- 1 file changed, 27 insertions(+), 20 deletions(-) diff --git a/linux-user/mips/cpu_loop.c b/linux-user/mips/cpu_loop.c index 40825ca566..a330dc03db 100644 --- a/linux-user/mips/cpu_loop.c +++ b/linux-user/mips/cpu_loop.c @@ -21,6 +21,7 @@ #include "qemu-common.h" #include "qemu.h" #include "cpu_loop-common.h" +#include "signal-common.h" #include "elf.h" #include "internal.h" #include "fpu_helper.h" @@ -38,29 +39,25 @@ enum { BRK_DIVZERO =3D 7 }; =20 -static int do_break(CPUMIPSState *env, target_siginfo_t *info, - unsigned int code) +static void do_tr_or_bp(CPUMIPSState *env, unsigned int code, bool trap) { - int ret =3D -1; + target_ulong pc =3D env->active_tc.PC; =20 switch (code) { case BRK_OVERFLOW: + force_sig_fault(TARGET_SIGFPE, TARGET_FPE_INTOVF, pc); + break; case BRK_DIVZERO: - info->si_signo =3D TARGET_SIGFPE; - info->si_errno =3D 0; - info->si_code =3D (code =3D=3D BRK_OVERFLOW) ? FPE_INTOVF : FPE_IN= TDIV; - queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info); - ret =3D 0; + force_sig_fault(TARGET_SIGFPE, TARGET_FPE_INTDIV, pc); break; default: - info->si_signo =3D TARGET_SIGTRAP; - info->si_errno =3D 0; - queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info); - ret =3D 0; + if (trap) { + force_sig(TARGET_SIGTRAP); + } else { + force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, pc); + } break; } - - return ret; } =20 void cpu_loop(CPUMIPSState *env) @@ -203,6 +200,13 @@ done_syscall: abi_ulong trap_instr; unsigned int code; =20 + /* + * FIXME: It would be better to decode the trap number + * during translate, and store it in error_code while + * raising the exception. We should not be re-reading + * the opcode here. + */ + if (env->hflags & MIPS_HFLAG_M16) { if (env->insn_flags & ASE_MICROMIPS) { /* microMIPS mode */ @@ -255,9 +259,7 @@ done_syscall: } } =20 - if (do_break(env, &info, code) !=3D 0) { - goto error; - } + do_tr_or_bp(env, code, false); } break; case EXCP_TRAP: @@ -265,6 +267,13 @@ done_syscall: abi_ulong trap_instr; unsigned int code =3D 0; =20 + /* + * FIXME: It would be better to decode the trap number + * during translate, and store it in error_code while + * raising the exception. We should not be re-reading + * the opcode here. + */ + if (env->hflags & MIPS_HFLAG_M16) { /* microMIPS mode */ abi_ulong instr[2]; @@ -291,9 +300,7 @@ done_syscall: } } =20 - if (do_break(env, &info, code) !=3D 0) { - goto error; - } + do_tr_or_bp(env, code, true); } break; case EXCP_ATOMIC: --=20 2.25.1