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X-Received-From: 2607:f8b0:4864:20::241 Subject: [Qemu-devel] [PATCH 7/9] tcg: add tcg_out_start X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, cohuck@redhat.com, richard.henderson@linaro.org, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This function is called at the beginning of any translation block. We will use it to emit ENDBR32 or ENDBR64 annotations for x86 CET. Reviewed-by: Richard Henderson Signed-off-by: Paolo Bonzini --- tcg/aarch64/tcg-target.inc.c | 4 ++++ tcg/arm/tcg-target.inc.c | 4 ++++ tcg/i386/tcg-target.inc.c | 4 ++++ tcg/mips/tcg-target.inc.c | 4 ++++ tcg/ppc/tcg-target.inc.c | 4 ++++ tcg/riscv/tcg-target.inc.c | 4 ++++ tcg/s390/tcg-target.inc.c | 4 ++++ tcg/sparc/tcg-target.inc.c | 4 ++++ tcg/tcg.c | 2 ++ tcg/tci/tcg-target.inc.c | 4 ++++ 10 files changed, 38 insertions(+) diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c index eefa929948..c66f3cb857 100644 --- a/tcg/aarch64/tcg-target.inc.c +++ b/tcg/aarch64/tcg-target.inc.c @@ -2539,6 +2539,10 @@ QEMU_BUILD_BUG_ON(FRAME_SIZE >=3D (1 << 14)); /* We're expecting to use a single ADDI insn. */ QEMU_BUILD_BUG_ON(FRAME_SIZE - PUSH_SIZE > 0xfff); =20 +static inline void tcg_out_start(TCGContext *s) +{ +} + static void tcg_target_qemu_prologue(TCGContext *s) { TCGReg r; diff --git a/tcg/arm/tcg-target.inc.c b/tcg/arm/tcg-target.inc.c index abf0c444b4..8f919c7641 100644 --- a/tcg/arm/tcg-target.inc.c +++ b/tcg/arm/tcg-target.inc.c @@ -2284,6 +2284,10 @@ static void tcg_out_nop_fill(tcg_insn_unit *p, int c= ount) } } =20 +static inline void tcg_out_start(TCGContext *s) +{ +} + /* Compute frame size via macros, to share between tcg_target_qemu_prologue and tcg_register_jit. */ =20 diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c index d5ed9f1ffd..b210977800 100644 --- a/tcg/i386/tcg-target.inc.c +++ b/tcg/i386/tcg-target.inc.c @@ -3510,6 +3510,10 @@ static const int tcg_target_callee_save_regs[] =3D { + TCG_TARGET_STACK_ALIGN - 1) \ & ~(TCG_TARGET_STACK_ALIGN - 1)) =20 +static inline void tcg_out_start(TCGContext *s) +{ +} + /* Generate global QEMU prologue and epilogue code */ static void tcg_target_qemu_prologue(TCGContext *s) { diff --git a/tcg/mips/tcg-target.inc.c b/tcg/mips/tcg-target.inc.c index 412cacdcb9..2bb976a9a5 100644 --- a/tcg/mips/tcg-target.inc.c +++ b/tcg/mips/tcg-target.inc.c @@ -2471,6 +2471,10 @@ static tcg_insn_unit *align_code_ptr(TCGContext *s) return s->code_ptr; } =20 +static inline void tcg_out_start(TCGContext *s) +{ +} + /* Stack frame parameters. */ #define REG_SIZE (TCG_TARGET_REG_BITS / 8) #define SAVE_SIZE ((int)ARRAY_SIZE(tcg_target_callee_save_regs) * REG_SIZ= E) diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c index 36b4791707..f4efca8f7b 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -1904,6 +1904,10 @@ static void tcg_out_nop_fill(tcg_insn_unit *p, int c= ount) } } =20 +static inline void tcg_out_start(TCGContext *s) +{ +} + /* Parameters for function call generation, used in tcg.c. */ #define TCG_TARGET_STACK_ALIGN 16 #define TCG_TARGET_EXTEND_ARGS 1 diff --git a/tcg/riscv/tcg-target.inc.c b/tcg/riscv/tcg-target.inc.c index 2932505094..5780537b73 100644 --- a/tcg/riscv/tcg-target.inc.c +++ b/tcg/riscv/tcg-target.inc.c @@ -1798,6 +1798,10 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOp= code op) } } =20 +static inline void tcg_out_start(TCGContext *s) +{ +} + static const int tcg_target_callee_save_regs[] =3D { TCG_REG_S0, /* used for the global env (TCG_AREG0) */ TCG_REG_S1, diff --git a/tcg/s390/tcg-target.inc.c b/tcg/s390/tcg-target.inc.c index 3d6150b10e..924bd01afd 100644 --- a/tcg/s390/tcg-target.inc.c +++ b/tcg/s390/tcg-target.inc.c @@ -2499,6 +2499,10 @@ static void query_s390_facilities(void) } } =20 +static inline void tcg_out_start(TCGContext *s) +{ +} + static void tcg_target_init(TCGContext *s) { query_s390_facilities(); diff --git a/tcg/sparc/tcg-target.inc.c b/tcg/sparc/tcg-target.inc.c index 7a61839dc1..f795e78153 100644 --- a/tcg/sparc/tcg-target.inc.c +++ b/tcg/sparc/tcg-target.inc.c @@ -1004,6 +1004,10 @@ static void build_trampolines(TCGContext *s) } #endif =20 +static inline void tcg_out_start(TCGContext *s) +{ +} + /* Generate global QEMU prologue and epilogue code */ static void tcg_target_qemu_prologue(TCGContext *s) { diff --git a/tcg/tcg.c b/tcg/tcg.c index f7bef51de8..c8832c3ccf 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -101,6 +101,7 @@ static void tcg_register_jit_int(void *buf, size_t size, /* Forward declarations for functions declared and used in tcg-target.inc.= c. */ static const char *target_parse_constraint(TCGArgConstraint *ct, const char *ct_str, TCGType typ= e); +static void tcg_out_start(TCGContext *s); static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg= 1, intptr_t arg2); static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg ar= g); @@ -3925,6 +3926,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb) #endif =20 num_insns =3D -1; + tcg_out_start(s); QTAILQ_FOREACH(op, &s->ops, link) { TCGOpcode opc =3D op->opc; =20 diff --git a/tcg/tci/tcg-target.inc.c b/tcg/tci/tcg-target.inc.c index 0015a98485..cb90012999 100644 --- a/tcg/tci/tcg-target.inc.c +++ b/tcg/tci/tcg-target.inc.c @@ -889,6 +889,10 @@ static void tcg_target_init(TCGContext *s) CPU_TEMP_BUF_NLONGS * sizeof(long)); } =20 +static inline void tcg_out_start(void) +{ +} + /* Generate global QEMU prologue and epilogue code. */ static inline void tcg_target_qemu_prologue(TCGContext *s) { --=20 2.21.0