diff options
Diffstat (limited to 'user-exec.c')
| -rw-r--r-- | user-exec.c | 107 |
1 files changed, 1 insertions, 106 deletions
diff --git a/user-exec.c b/user-exec.c index 50e95a6..95f9f97 100644 --- a/user-exec.c +++ b/user-exec.c @@ -117,14 +117,7 @@ static inline int handle_cpu_signal(uintptr_t pc, unsigned long address, #if defined(__i386__) -#if defined(__APPLE__) -#include <sys/ucontext.h> - -#define EIP_sig(context) (*((unsigned long *)&(context)->uc_mcontext->ss.eip)) -#define TRAP_sig(context) ((context)->uc_mcontext->es.trapno) -#define ERROR_sig(context) ((context)->uc_mcontext->es.err) -#define MASK_sig(context) ((context)->uc_sigmask) -#elif defined(__NetBSD__) +#if defined(__NetBSD__) #include <ucontext.h> #define EIP_sig(context) ((context)->uc_mcontext.__gregs[_REG_EIP]) @@ -274,44 +267,6 @@ int cpu_signal_handler(int host_signum, void *pinfo, #define TRAP_sig(context) ((context)->uc_mcontext.mc_exc) #endif /* __FreeBSD__|| __FreeBSD_kernel__ */ -#ifdef __APPLE__ -#include <sys/ucontext.h> -typedef struct ucontext SIGCONTEXT; -/* All Registers access - only for local access */ -#define REG_sig(reg_name, context) \ - ((context)->uc_mcontext->ss.reg_name) -#define FLOATREG_sig(reg_name, context) \ - ((context)->uc_mcontext->fs.reg_name) -#define EXCEPREG_sig(reg_name, context) \ - ((context)->uc_mcontext->es.reg_name) -#define VECREG_sig(reg_name, context) \ - ((context)->uc_mcontext->vs.reg_name) -/* Gpr Registers access */ -#define GPR_sig(reg_num, context) REG_sig(r##reg_num, context) -/* Program counter */ -#define IAR_sig(context) REG_sig(srr0, context) -/* Machine State Register (Supervisor) */ -#define MSR_sig(context) REG_sig(srr1, context) -#define CTR_sig(context) REG_sig(ctr, context) -/* Link register */ -#define XER_sig(context) REG_sig(xer, context) -/* User's integer exception register */ -#define LR_sig(context) REG_sig(lr, context) -/* Condition register */ -#define CR_sig(context) REG_sig(cr, context) -/* Float Registers access */ -#define FLOAT_sig(reg_num, context) \ - FLOATREG_sig(fpregs[reg_num], context) -#define FPSCR_sig(context) \ - ((double)FLOATREG_sig(fpscr, context)) -/* Exception Registers access */ -/* Fault registers for coredump */ -#define DAR_sig(context) EXCEPREG_sig(dar, context) -#define DSISR_sig(context) EXCEPREG_sig(dsisr, context) -/* number of powerpc exception taken */ -#define TRAP_sig(context) EXCEPREG_sig(exception, context) -#endif /* __APPLE__ */ - int cpu_signal_handler(int host_signum, void *pinfo, void *puc) { @@ -494,24 +449,6 @@ int cpu_signal_handler(int host_signum, void *pinfo, void *puc) is_write, &uc->uc_sigmask); } -#elif defined(__mc68000) - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; - struct ucontext *uc = puc; - unsigned long pc; - int is_write; - - pc = uc->uc_mcontext.gregs[16]; - /* XXX: compute is_write */ - is_write = 0; - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - is_write, - &uc->uc_sigmask); -} - #elif defined(__ia64) #ifndef __ISR_VALID @@ -616,48 +553,6 @@ int cpu_signal_handler(int host_signum, void *pinfo, is_write, &uc->uc_sigmask); } -#elif defined(__hppa__) - -int cpu_signal_handler(int host_signum, void *pinfo, - void *puc) -{ - siginfo_t *info = pinfo; - struct ucontext *uc = puc; - unsigned long pc = uc->uc_mcontext.sc_iaoq[0]; - uint32_t insn = *(uint32_t *)pc; - int is_write = 0; - - /* XXX: need kernel patch to get write flag faster. */ - switch (insn >> 26) { - case 0x1a: /* STW */ - case 0x19: /* STH */ - case 0x18: /* STB */ - case 0x1b: /* STWM */ - is_write = 1; - break; - - case 0x09: /* CSTWX, FSTWX, FSTWS */ - case 0x0b: /* CSTDX, FSTDX, FSTDS */ - /* Distinguish from coprocessor load ... */ - is_write = (insn >> 9) & 1; - break; - - case 0x03: - switch ((insn >> 6) & 15) { - case 0xa: /* STWS */ - case 0x9: /* STHS */ - case 0x8: /* STBS */ - case 0xe: /* STWAS */ - case 0xc: /* STBYS */ - is_write = 1; - } - break; - } - - return handle_cpu_signal(pc, (unsigned long)info->si_addr, - is_write, &uc->uc_sigmask); -} - #else #error host CPU specific signal handler needed |