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[PATCH 18/24] bsd-user/arm/target_arch_signal.h: arm machine context for
From: |
Warner Losh |
Subject: |
[PATCH 18/24] bsd-user/arm/target_arch_signal.h: arm machine context for signals |
Date: |
Tue, 19 Oct 2021 10:44:41 -0600 |
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Klye Evans <kevans@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
---
bsd-user/arm/target_arch_signal.h | 36 +++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/bsd-user/arm/target_arch_signal.h
b/bsd-user/arm/target_arch_signal.h
index 973183d99c..9fee58ca9c 100644
--- a/bsd-user/arm/target_arch_signal.h
+++ b/bsd-user/arm/target_arch_signal.h
@@ -54,4 +54,40 @@
#define TARGET_MINSIGSTKSZ (1024 * 4) /* min sig stack size
*/
#define TARGET_SIGSTKSZ (TARGET_MINSIGSTKSZ + 32768) /* recommended size
*/
+/* arm/arm/machdep.c */
+struct target_sigcontext {
+ target_sigset_t sc_mask; /* signal mask to retstore */
+ int32_t sc_onstack; /* sigstack state to restore */
+ abi_long sc_pc; /* pc at time of signal */
+ abi_long sc_reg[32]; /* processor regs 0 to 31 */
+ abi_long mullo, mulhi; /* mullo and mulhi registers */
+ int32_t sc_fpused; /* fp has been used */
+ abi_long sc_fpregs[33]; /* fp regs 0 to 31 & csr */
+ abi_long sc_fpc_eir; /* fp exception instr reg */
+ /* int32_t reserved[8]; */
+};
+
+typedef struct {
+ uint32_t __fp_fpsr;
+ struct {
+ uint32_t __fp_exponent;
+ uint32_t __fp_mantissa_hi;
+ uint32_t __fp_mantissa_lo;
+ } __fp_fr[8];
+} target__fpregset_t;
+
+typedef struct {
+ uint32_t __vfp_fpscr;
+ uint32_t __vfp_fstmx[33];
+ uint32_t __vfp_fpsid;
+} target__vfpregset_t;
+
+typedef struct target_mcontext {
+ uint32_t __gregs[TARGET__NGREG];
+ union {
+ target__fpregset_t __fpregs;
+ target__vfpregset_t __vfpregs;
+ } __fpu;
+} target_mcontext_t;
+
#endif /* !_TARGET_ARCH_SIGNAL_H_ */
--
2.32.0
[PATCH 23/24] bsd-user/arm/target_arch_signal.h: arm get_ucontext_sigreturn, Warner Losh, 2021/10/19
[PATCH 24/24] bsd-user: add arm target build, Warner Losh, 2021/10/19
[PATCH 18/24] bsd-user/arm/target_arch_signal.h: arm machine context for signals,
Warner Losh <=