67 lines
2.6 KiB
Diff
67 lines
2.6 KiB
Diff
--- a/linux-user/host/ppc64/hostdep.h
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+++ b/linux-user/host/ppc64/hostdep.h
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@@ -25,7 +25,11 @@
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static inline void rewind_if_in_safe_syscall(void *puc)
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{
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ucontext_t *uc = puc;
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+#if defined(__GLIBC__) || defined(__UCLIBC__)
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unsigned long *pcreg = &uc->uc_mcontext.gp_regs[PT_NIP];
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+#else // Musl
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+ unsigned long *pcreg = &uc->uc_mcontext.gp_regs[32];
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+#endif
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if (*pcreg > (uintptr_t)safe_syscall_start
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&& *pcreg < (uintptr_t)safe_syscall_end) {
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--- a/accel/tcg/user-exec.c
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+++ a/accel/tcg/user-exec.c
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@@ -228,6 +228,7 @@
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*/
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#ifdef linux
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/* All Registers access - only for local access */
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+#if defined(__GLIBC__) || defined(__UCLIBC__)
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#define REG_sig(reg_name, context) \
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((context)->uc_mcontext.regs->reg_name)
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/* Gpr Registers access */
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@@ -245,15 +246,42 @@
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/* Condition register */
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#define CR_sig(context) REG_sig(ccr, context)
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+#else // Musl
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+#define REG_sig(reg_num, context) \
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+ ((context)->uc_mcontext.gp_regs[reg_num])
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+/* Gpr Registers access */
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+#define GPR_sig(reg_num, context) REG_sig(gpr[reg_num], context)
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+/* Program counter */
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+#define IAR_sig(context) REG_sig(32, context)
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+/* Machine State Register (Supervisor) */
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+#define MSR_sig(context) REG_sig(33, context)
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+/* Count register */
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+#define CTR_sig(context) REG_sig(35, context)
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+/* User's integer exception register */
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+#define XER_sig(context) REG_sig(37, context)
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+/* Link register */
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+#define LR_sig(context) REG_sig(36, context)
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+/* Condition register */
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+#define CR_sig(context) REG_sig(38, context)
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+#endif
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+
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+
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/* Float Registers access */
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#define FLOAT_sig(reg_num, context) \
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(((double *)((char *)((context)->uc_mcontext.regs + 48 * 4)))[reg_num])
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#define FPSCR_sig(context) \
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(*(int *)((char *)((context)->uc_mcontext.regs + (48 + 32 * 2) * 4)))
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/* Exception Registers access */
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+#if defined(__GLIBC__) || defined(__UCLIBC__)
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#define DAR_sig(context) REG_sig(dar, context)
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#define DSISR_sig(context) REG_sig(dsisr, context)
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#define TRAP_sig(context) REG_sig(trap, context)
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+#else // Musl
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+#define DAR_sig(context) REG_sig(41, context)
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+#define DSISR_sig(context) REG_sig(42, context)
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+#define TRAP_sig(context) REG_sig(40, context)
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+#endif
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+
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#endif /* linux */
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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