From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: Joelle van Dyne <j@getutm.app>
Subject: [PATCH v5 42/43] tcg: Constify tcg_code_gen_epilogue
Date: Tue, 5 Jan 2021 07:19:49 -1000 [thread overview]
Message-ID: <20210105171950.415486-43-richard.henderson@linaro.org> (raw)
In-Reply-To: <20210105171950.415486-1-richard.henderson@linaro.org>
Now that all native tcg hosts support splitwx,
make this pointer const.
Reviewed-by: Joelle van Dyne <j@getutm.app>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
include/tcg/tcg.h | 2 +-
tcg/tcg.c | 2 +-
tcg/aarch64/tcg-target.c.inc | 3 +--
tcg/arm/tcg-target.c.inc | 3 +--
tcg/i386/tcg-target.c.inc | 3 +--
tcg/mips/tcg-target.c.inc | 3 +--
tcg/ppc/tcg-target.c.inc | 3 +--
tcg/riscv/tcg-target.c.inc | 3 +--
tcg/s390/tcg-target.c.inc | 3 +--
tcg/sparc/tcg-target.c.inc | 3 +--
10 files changed, 10 insertions(+), 18 deletions(-)
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index e6fce9a049..95fe5604eb 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -677,7 +677,7 @@ struct TCGContext {
extern TCGContext tcg_init_ctx;
extern __thread TCGContext *tcg_ctx;
-extern void *tcg_code_gen_epilogue;
+extern const void *tcg_code_gen_epilogue;
extern uintptr_t tcg_splitwx_diff;
extern TCGv_env cpu_env;
diff --git a/tcg/tcg.c b/tcg/tcg.c
index f278772512..472bf1755b 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -161,7 +161,7 @@ static int tcg_out_ldst_finalize(TCGContext *s);
static TCGContext **tcg_ctxs;
static unsigned int n_tcg_ctxs;
TCGv_env cpu_env = 0;
-void *tcg_code_gen_epilogue;
+const void *tcg_code_gen_epilogue;
uintptr_t tcg_splitwx_diff;
#ifndef CONFIG_TCG_INTERPRETER
diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc
index 2e33162c03..0b7eb09a27 100644
--- a/tcg/aarch64/tcg-target.c.inc
+++ b/tcg/aarch64/tcg-target.c.inc
@@ -2900,8 +2900,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
* Return path for goto_ptr. Set return value to 0, a-la exit_tb,
* and fall through to the rest of the epilogue.
*/
- /* TODO: Cast goes away when all hosts converted */
- tcg_code_gen_epilogue = (void *)tcg_splitwx_to_rx(s->code_ptr);
+ tcg_code_gen_epilogue = tcg_splitwx_to_rx(s->code_ptr);
tcg_out_movi(s, TCG_TYPE_REG, TCG_REG_X0, 0);
/* TB epilogue */
diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc
index 3d2717aeb0..d6cb19ca9f 100644
--- a/tcg/arm/tcg-target.c.inc
+++ b/tcg/arm/tcg-target.c.inc
@@ -2301,8 +2301,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
* Return path for goto_ptr. Set return value to 0, a-la exit_tb,
* and fall through to the rest of the epilogue.
*/
- /* TODO: Cast goes away when all hosts converted */
- tcg_code_gen_epilogue = (void *)tcg_splitwx_to_rx(s->code_ptr);
+ tcg_code_gen_epilogue = tcg_splitwx_to_rx(s->code_ptr);
tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R0, 0);
tcg_out_epilogue(s);
}
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 34bf0b9a35..91400d575c 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -3804,8 +3804,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
* Return path for goto_ptr. Set return value to 0, a-la exit_tb,
* and fall through to the rest of the epilogue.
*/
- /* TODO: Cast goes away when all hosts converted */
- tcg_code_gen_epilogue = (void *)tcg_splitwx_to_rx(s->code_ptr);
+ tcg_code_gen_epilogue = tcg_splitwx_to_rx(s->code_ptr);
tcg_out_movi(s, TCG_TYPE_REG, TCG_REG_EAX, 0);
/* TB epilogue */
diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc
index a2201bd1dd..18fd474593 100644
--- a/tcg/mips/tcg-target.c.inc
+++ b/tcg/mips/tcg-target.c.inc
@@ -2473,8 +2473,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
* Return path for goto_ptr. Set return value to 0, a-la exit_tb,
* and fall through to the rest of the epilogue.
*/
- /* TODO: Cast goes away when all hosts converted */
- tcg_code_gen_epilogue = (void *)tcg_splitwx_to_rx(s->code_ptr);
+ tcg_code_gen_epilogue = tcg_splitwx_to_rx(s->code_ptr);
tcg_out_mov(s, TCG_TYPE_REG, TCG_REG_V0, TCG_REG_ZERO);
/* TB epilogue */
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index 33b5915005..5f191c03d9 100644
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -2346,8 +2346,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
tcg_out32(s, BCCTR | BO_ALWAYS);
/* Epilogue */
- /* TODO: Cast goes away when all hosts converted */
- tcg_code_gen_epilogue = (void *)tcg_splitwx_to_rx(s->code_ptr);
+ tcg_code_gen_epilogue = tcg_splitwx_to_rx(s->code_ptr);
tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_R0, TCG_REG_R1, FRAME_SIZE+LR_OFFSET);
for (i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); ++i) {
diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index 4d595b01d6..c76dc9f9ca 100644
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -1784,8 +1784,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
tcg_out_opc_imm(s, OPC_JALR, TCG_REG_ZERO, tcg_target_call_iarg_regs[1], 0);
/* Return path for goto_ptr. Set return value to 0 */
- /* TODO: Cast goes away when all hosts converted */
- tcg_code_gen_epilogue = (void *)tcg_splitwx_to_rx(s->code_ptr);
+ tcg_code_gen_epilogue = tcg_splitwx_to_rx(s->code_ptr);
tcg_out_mov(s, TCG_TYPE_REG, TCG_REG_A0, TCG_REG_ZERO);
/* TB epilogue */
diff --git a/tcg/s390/tcg-target.c.inc b/tcg/s390/tcg-target.c.inc
index 582a8ef941..b3660ffedf 100644
--- a/tcg/s390/tcg-target.c.inc
+++ b/tcg/s390/tcg-target.c.inc
@@ -2551,8 +2551,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
* Return path for goto_ptr. Set return value to 0, a-la exit_tb,
* and fall through to the rest of the epilogue.
*/
- /* TODO: Cast goes away when all hosts converted */
- tcg_code_gen_epilogue = (void *)tcg_splitwx_to_rx(s->code_ptr);
+ tcg_code_gen_epilogue = tcg_splitwx_to_rx(s->code_ptr);
tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R2, 0);
/* TB epilogue */
diff --git a/tcg/sparc/tcg-target.c.inc b/tcg/sparc/tcg-target.c.inc
index 182124b96c..922ae96481 100644
--- a/tcg/sparc/tcg-target.c.inc
+++ b/tcg/sparc/tcg-target.c.inc
@@ -1039,8 +1039,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
tcg_out_nop(s);
/* Epilogue for goto_ptr. */
- /* TODO: Cast goes away when all hosts converted */
- tcg_code_gen_epilogue = (void *)tcg_splitwx_to_rx(s->code_ptr);
+ tcg_code_gen_epilogue = tcg_splitwx_to_rx(s->code_ptr);
tcg_out_arithi(s, TCG_REG_G0, TCG_REG_I7, 8, RETURN);
/* delay slot */
tcg_out_movi_imm13(s, TCG_REG_O0, 0);
--
2.25.1
next prev parent reply other threads:[~2021-01-05 17:47 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-05 17:19 [PATCH v5 00/43] Mirror map JIT memory for TCG Richard Henderson
2021-01-05 17:19 ` [PATCH v5 01/43] tcg: Do not flush icache for interpreter Richard Henderson
2021-01-05 17:19 ` [PATCH v5 02/43] util: Extract flush_icache_range to cacheflush.c Richard Henderson
2021-01-05 17:19 ` [PATCH v5 03/43] util: Enhance flush_icache_range with separate data pointer Richard Henderson
2021-01-05 17:19 ` [PATCH v5 04/43] util: Specialize flush_idcache_range for aarch64 Richard Henderson
2021-01-05 17:19 ` [PATCH v5 05/43] tcg: Move tcg prologue pointer out of TCGContext Richard Henderson
2021-01-05 17:19 ` [PATCH v5 06/43] tcg: Move tcg epilogue " Richard Henderson
2021-01-05 17:19 ` [PATCH v5 07/43] tcg: Add in_code_gen_buffer Richard Henderson
2021-01-05 17:19 ` [PATCH v5 08/43] tcg: Introduce tcg_splitwx_to_{rx,rw} Richard Henderson
2021-01-05 17:19 ` [PATCH v5 09/43] tcg: Adjust TCGLabel for const Richard Henderson
2021-01-05 17:19 ` [PATCH v5 10/43] tcg: Adjust tcg_out_call " Richard Henderson
2021-01-05 17:19 ` [PATCH v5 11/43] tcg: Adjust tcg_out_label " Richard Henderson
2021-01-05 17:19 ` [PATCH v5 12/43] tcg: Adjust tcg_register_jit " Richard Henderson
2021-01-05 17:19 ` [PATCH v5 13/43] tcg: Adjust tb_target_set_jmp_target for split-wx Richard Henderson
2021-01-05 17:19 ` [PATCH v5 14/43] tcg: Make DisasContextBase.tb const Richard Henderson
2021-01-05 17:19 ` [PATCH v5 15/43] tcg: Make tb arg to synchronize_from_tb const Richard Henderson
2021-01-05 17:19 ` [PATCH v5 16/43] tcg: Use Error with alloc_code_gen_buffer Richard Henderson
2021-01-05 18:55 ` Philippe Mathieu-Daudé
2021-01-05 17:19 ` [PATCH v5 17/43] tcg: Add --accel tcg,split-wx property Richard Henderson
2021-01-05 20:30 ` Joelle van Dyne
2021-01-05 17:19 ` [PATCH v5 18/43] accel/tcg: Support split-wx for linux with memfd Richard Henderson
2021-01-05 17:19 ` [PATCH v5 19/43] accel/tcg: Support split-wx for darwin/iOS with vm_remap Richard Henderson
2021-01-05 17:19 ` [PATCH v5 20/43] tcg: Return the TB pointer from the rx region from exit_tb Richard Henderson
2021-01-05 17:19 ` [PATCH v5 21/43] tcg/i386: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 22/43] tcg/aarch64: Use B not BL for tcg_out_goto_long Richard Henderson
2021-01-05 17:19 ` [PATCH v5 23/43] tcg/aarch64: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 24/43] disas: Push const down through host disassembly Richard Henderson
2021-01-05 17:19 ` [PATCH v5 25/43] tcg/tci: Push const down through bytecode reading Richard Henderson
2021-01-05 18:51 ` Philippe Mathieu-Daudé
2021-01-05 17:19 ` [PATCH v5 26/43] tcg: Introduce tcg_tbrel_diff Richard Henderson
2021-01-05 17:19 ` [PATCH v5 27/43] tcg/ppc: Use tcg_tbrel_diff Richard Henderson
2021-01-05 17:19 ` [PATCH v5 28/43] tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TB Richard Henderson
2021-01-05 17:19 ` [PATCH v5 29/43] tcg/ppc: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 30/43] tcg/sparc: Use tcg_tbrel_diff Richard Henderson
2021-01-05 17:19 ` [PATCH v5 31/43] tcg/sparc: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 32/43] tcg/s390: Use tcg_tbrel_diff Richard Henderson
2021-01-05 17:19 ` [PATCH v5 33/43] tcg/s390: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 34/43] tcg/riscv: Fix branch range checks Richard Henderson
2021-01-05 17:19 ` [PATCH v5 35/43] tcg/riscv: Remove branch-over-branch fallback Richard Henderson
2021-01-05 17:19 ` [PATCH v5 36/43] tcg/riscv: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 37/43] accel/tcg: Add mips support to alloc_code_gen_buffer_splitwx_memfd Richard Henderson
2021-01-05 17:19 ` [PATCH v5 38/43] tcg/mips: Do not assert on relocation overflow Richard Henderson
2021-01-05 17:19 ` [PATCH v5 39/43] tcg/mips: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 40/43] tcg/arm: " Richard Henderson
2021-01-05 17:19 ` [PATCH v5 41/43] tcg: Remove TCG_TARGET_SUPPORT_MIRROR Richard Henderson
2021-01-05 17:19 ` Richard Henderson [this message]
2021-01-05 18:47 ` [PATCH v5 42/43] tcg: Constify tcg_code_gen_epilogue Philippe Mathieu-Daudé
2021-01-05 17:19 ` [PATCH v5 43/43] tcg: Constify TCGLabelQemuLdst.raddr Richard Henderson
2021-01-05 18:47 ` Philippe Mathieu-Daudé
2021-01-05 18:12 ` [PATCH v5 00/43] Mirror map JIT memory for TCG no-reply
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