73 lines
2.8 KiB
Diff
73 lines
2.8 KiB
Diff
--- a/accel/tcg/user-exec.c
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+++ b/accel/tcg/user-exec.c
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@@ -286,6 +286,7 @@ int cpu_signal_handler(int host_signum, void *pinfo,
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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__)
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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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@@ -302,6 +303,19 @@ int cpu_signal_handler(int host_signum, void *pinfo,
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#define LR_sig(context) REG_sig(link, context)
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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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+#if defined(_ARCH_PPC64)
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+#define REG_sig(reg_num, context) ((context)->uc_mcontext.gp_regs[reg_num])
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+#else
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+#define REG_sig(reg_num, context) ((context)->uc_mcontext.gregs[reg_num])
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+#endif
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+#define IAR_sig(context) REG_sig(32, context)
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+#define MSR_sig(context) REG_sig(33, context)
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+#define CTR_sig(context) REG_sig(35, context)
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+#define XER_sig(context) REG_sig(37, context)
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+#define LR_sig(context) REG_sig(36, context)
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+#define CR_sig(context) REG_sig(38, context)
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+#endif
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/* Float Registers access */
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#define FLOAT_sig(reg_num, context) \
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@@ -309,9 +323,15 @@ int cpu_signal_handler(int host_signum, void *pinfo,
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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__)
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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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#endif /* linux */
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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--- a/linux-user/host/ppc64/hostdep.h
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+++ b/linux-user/host/ppc64/hostdep.h
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@@ -27,7 +27,11 @@ extern char safe_syscall_end[];
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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__)
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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/util/mmap-alloc.c
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+++ b/util/mmap-alloc.c
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@@ -25,6 +25,10 @@
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#ifdef CONFIG_LINUX
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#include <sys/vfs.h>
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+/* musl undefs this on ppc and mips */
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+#ifndef MAP_SYNC
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+#define MAP_SYNC 0x80000
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+#endif
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#endif
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size_t qemu_fd_getpagesize(int fd)
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