--- /dev/null
+/* m32r exception, interrupt, and trap (EIT) support
+ Copyright (C) 1998, 2003 Free Software Foundation, Inc.
+ Contributed by Renesas.
+
+ This file is part of GDB, the GNU debugger.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "sim-main.h"
+#include "syscall.h"
+#include "targ-vals.h"
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <time.h>
+#include <unistd.h>
+#include <utime.h>
+#include <sys/mman.h>
+#include <sys/poll.h>
+#include <sys/resource.h>
+#include <sys/sysinfo.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/timeb.h>
+#include <sys/timex.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/utsname.h>
+#include <sys/vfs.h>
+#include <linux/module.h>
+#include <linux/sysctl.h>
+#include <linux/types.h>
+#include <linux/unistd.h>
+
+#define TRAP_ELF_SYSCALL 0
+#define TRAP_LINUX_SYSCALL 2
+#define TRAP_FLUSH_CACHE 12
+
+/* The semantic code invokes this for invalid (unrecognized) instructions. */
+
+SEM_PC
+sim_engine_invalid_insn (SIM_CPU *current_cpu, IADDR cia, SEM_PC vpc)
+{
+ SIM_DESC sd = CPU_STATE (current_cpu);
+
+#if 0
+ if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
+ {
+ h_bsm_set (current_cpu, h_sm_get (current_cpu));
+ h_bie_set (current_cpu, h_ie_get (current_cpu));
+ h_bcond_set (current_cpu, h_cond_get (current_cpu));
+ /* sm not changed */
+ h_ie_set (current_cpu, 0);
+ h_cond_set (current_cpu, 0);
+
+ h_bpc_set (current_cpu, cia);
+
+ sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL,
+ EIT_RSVD_INSN_ADDR);
+ }
+ else
+#endif
+ sim_engine_halt (sd, current_cpu, NULL, cia, sim_stopped, SIM_SIGILL);
+ return vpc;
+}
+
+/* Process an address exception. */
+
+void
+m32r_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia,
+ unsigned int map, int nr_bytes, address_word addr,
+ transfer_type transfer, sim_core_signals sig)
+{
+ if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
+ {
+ m32rbf_h_cr_set (current_cpu, H_CR_BBPC,
+ m32rbf_h_cr_get (current_cpu, H_CR_BPC));
+ if (MACH_NUM (CPU_MACH (current_cpu)) == MACH_M32R)
+ {
+ m32rbf_h_bpsw_set (current_cpu, m32rbf_h_psw_get (current_cpu));
+ /* sm not changed */
+ m32rbf_h_psw_set (current_cpu, m32rbf_h_psw_get (current_cpu) & 0x80);
+ }
+ else if (MACH_NUM (CPU_MACH (current_cpu)) == MACH_M32RX)
+ {
+ m32rxf_h_bpsw_set (current_cpu, m32rxf_h_psw_get (current_cpu));
+ /* sm not changed */
+ m32rxf_h_psw_set (current_cpu, m32rxf_h_psw_get (current_cpu) & 0x80);
+ }
+ else
+ {
+ m32r2f_h_bpsw_set (current_cpu, m32r2f_h_psw_get (current_cpu));
+ /* sm not changed */
+ m32r2f_h_psw_set (current_cpu, m32r2f_h_psw_get (current_cpu) & 0x80);
+ }
+ m32rbf_h_cr_set (current_cpu, H_CR_BPC, cia);
+
+ sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL,
+ EIT_ADDR_EXCP_ADDR);
+ }
+ else
+ sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr,
+ transfer, sig);
+}
+\f
+/* Read/write functions for system call interface. */
+
+static int
+syscall_read_mem (host_callback *cb, struct cb_syscall *sc,
+ unsigned long taddr, char *buf, int bytes)
+{
+ SIM_DESC sd = (SIM_DESC) sc->p1;
+ SIM_CPU *cpu = (SIM_CPU *) sc->p2;
+
+ return sim_core_read_buffer (sd, cpu, read_map, buf, taddr, bytes);
+}
+
+static int
+syscall_write_mem (host_callback *cb, struct cb_syscall *sc,
+ unsigned long taddr, const char *buf, int bytes)
+{
+ SIM_DESC sd = (SIM_DESC) sc->p1;
+ SIM_CPU *cpu = (SIM_CPU *) sc->p2;
+
+ return sim_core_write_buffer (sd, cpu, write_map, buf, taddr, bytes);
+}
+
+/* Translate target's address to host's address. */
+
+static void *
+t2h_addr (host_callback *cb, struct cb_syscall *sc,
+ unsigned long taddr)
+{
+ extern sim_core_trans_addr (SIM_DESC, sim_cpu *, unsigned, address_word);
+ void *addr;
+ SIM_DESC sd = (SIM_DESC) sc->p1;
+ SIM_CPU *cpu = (SIM_CPU *) sc->p2;
+
+ if (taddr == 0)
+ return NULL;
+
+ return sim_core_trans_addr (sd, cpu, read_map, taddr);
+}
+
+static unsigned int
+conv_endian (unsigned int tvalue)
+{
+ unsigned int hvalue;
+ unsigned int t1, t2, t3, t4;
+
+ if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN)
+ {
+ t1 = tvalue & 0xff000000;
+ t2 = tvalue & 0x00ff0000;
+ t3 = tvalue & 0x0000ff00;
+ t4 = tvalue & 0x000000ff;
+
+ hvalue = t1 >> 24;
+ hvalue += t2 >> 8;
+ hvalue += t3 << 8;
+ hvalue += t4 << 24;
+ }
+ else
+ hvalue = tvalue;
+
+ return hvalue;
+}
+
+static unsigned short
+conv_endian16 (unsigned short tvalue)
+{
+ unsigned short hvalue;
+ unsigned short t1, t2;
+
+ if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN)
+ {
+ t1 = tvalue & 0xff00;
+ t2 = tvalue & 0x00ff;
+
+ hvalue = t1 >> 8;
+ hvalue += t2 << 8;
+ }
+ else
+ hvalue = tvalue;
+
+ return hvalue;
+}
+
+static void
+translate_endian(void *addr, size_t size)
+{
+ unsigned int *p = (unsigned int *) addr;
+ int i;
+
+ for (i = 0; i <= size - 4; i += 4,p++)
+ *p = conv_endian(*p);
+
+ if (i <= size - 2)
+ *((unsigned short *) p) = conv_endian16(*((unsigned short *) p));
+}
+
+/* Trap support.
+ The result is the pc address to continue at.
+ Preprocessing like saving the various registers has already been done. */
+
+USI
+m32r_trap (SIM_CPU *current_cpu, PCADDR pc, int num)
+{
+ SIM_DESC sd = CPU_STATE (current_cpu);
+ host_callback *cb = STATE_CALLBACK (sd);
+
+#ifdef SIM_HAVE_BREAKPOINTS
+ /* Check for breakpoints "owned" by the simulator first, regardless
+ of --environment. */
+ if (num == TRAP_BREAKPOINT)
+ {
+ /* First try sim-break.c. If it's a breakpoint the simulator "owns"
+ it doesn't return. Otherwise it returns and let's us try. */
+ sim_handle_breakpoint (sd, current_cpu, pc);
+ /* Fall through. */
+ }
+#endif
+
+ switch (num)
+ {
+ case TRAP_ELF_SYSCALL :
+ {
+ CB_SYSCALL s;
+
+ CB_SYSCALL_INIT (&s);
+ s.func = m32rbf_h_gr_get (current_cpu, 0);
+ s.arg1 = m32rbf_h_gr_get (current_cpu, 1);
+ s.arg2 = m32rbf_h_gr_get (current_cpu, 2);
+ s.arg3 = m32rbf_h_gr_get (current_cpu, 3);
+
+ if (s.func == TARGET_SYS_exit)
+ {
+ sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, s.arg1);
+ }
+
+ s.p1 = (PTR) sd;
+ s.p2 = (PTR) current_cpu;
+ s.read_mem = syscall_read_mem;
+ s.write_mem = syscall_write_mem;
+ cb_syscall (cb, &s);
+ m32rbf_h_gr_set (current_cpu, 2, s.errcode);
+ m32rbf_h_gr_set (current_cpu, 0, s.result);
+ m32rbf_h_gr_set (current_cpu, 1, s.result2);
+ break;
+ }
+
+ case TRAP_LINUX_SYSCALL :
+ {
+ CB_SYSCALL s;
+ unsigned int func, arg1, arg2, arg3, arg4, arg5, arg6, arg7;
+ int result, result2, errcode;
+
+ if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
+ {
+ /* The new pc is the trap vector entry.
+ We assume there's a branch there to some handler.
+ Use cr5 as EVB (EIT Vector Base) register. */
+ USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4;
+ return new_pc;
+ }
+
+ func = m32rbf_h_gr_get (current_cpu, 7);
+ arg1 = m32rbf_h_gr_get (current_cpu, 0);
+ arg2 = m32rbf_h_gr_get (current_cpu, 1);
+ arg3 = m32rbf_h_gr_get (current_cpu, 2);
+ arg4 = m32rbf_h_gr_get (current_cpu, 3);
+ arg5 = m32rbf_h_gr_get (current_cpu, 4);
+ arg6 = m32rbf_h_gr_get (current_cpu, 5);
+ arg7 = m32rbf_h_gr_get (current_cpu, 6);
+
+ CB_SYSCALL_INIT (&s);
+ s.func = func;
+ s.arg1 = arg1;
+ s.arg2 = arg2;
+ s.arg3 = arg3;
+
+ s.p1 = (PTR) sd;
+ s.p2 = (PTR) current_cpu;
+ s.read_mem = syscall_read_mem;
+ s.write_mem = syscall_write_mem;
+
+ result = 0;
+ result2 = 0;
+ errcode = 0;
+
+ switch (func)
+ {
+ case __NR_exit:
+ sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1);
+ break;
+
+ case __NR_read:
+ result = read(arg1, t2h_addr(cb, &s, arg2), arg3);
+ errcode = errno;
+ break;
+
+ case __NR_write:
+ result = write(arg1, t2h_addr(cb, &s, arg2), arg3);
+ errcode = errno;
+ break;
+
+ case __NR_open:
+ result = open((char *) t2h_addr(cb, &s, arg1), arg2, arg3);
+ errcode = errno;
+ break;
+
+ case __NR_close:
+ result = close(arg1);
+ errcode = errno;
+ break;
+
+ case __NR_creat:
+ result = creat((char *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case __NR_link:
+ result = link((char *) t2h_addr(cb, &s, arg1),
+ (char *) t2h_addr(cb, &s, arg2));
+ errcode = errno;
+ break;
+
+ case __NR_unlink:
+ result = unlink((char *) t2h_addr(cb, &s, arg1));
+ errcode = errno;
+ break;
+
+ case __NR_chdir:
+ result = chdir((char *) t2h_addr(cb, &s, arg1));
+ errcode = errno;
+ break;
+
+ case __NR_time:
+ {
+ time_t t;
+
+ if (arg1 == 0)
+ {
+ result = (int) time(NULL);
+ errcode = errno;
+ }
+ else
+ {
+ result = (int) time(&t);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &t, sizeof(t));
+ if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ }
+ break;
+
+ case __NR_mknod:
+ result = mknod((char *) t2h_addr(cb, &s, arg1),
+ (mode_t) arg2, (dev_t) arg3);
+ errcode = errno;
+ break;
+
+ case __NR_chmod:
+ result = chmod((char *) t2h_addr(cb, &s, arg1), (mode_t) arg2);
+ errcode = errno;
+ break;
+
+ case __NR_lchown:
+ result = lchown((char *) t2h_addr(cb, &s, arg1),
+ (uid_t) arg2, (gid_t) arg3);
+ errcode = errno;
+ break;
+
+ case __NR_lseek:
+ result = (int) lseek(arg1, (off_t) arg2, arg3);
+ errcode = errno;
+ break;
+
+ case __NR_getpid:
+ result = getpid();
+ errcode = errno;
+ break;
+
+ case __NR_getuid:
+ result = getuid();
+ errcode = errno;
+ break;
+
+ case __NR_utime:
+ {
+ struct utimbuf buf;
+
+ if (arg2 == 0)
+ {
+ result = utime((char *) t2h_addr(cb, &s, arg1), NULL);
+ errcode = errno;
+ }
+ else
+ {
+ buf = *((struct utimbuf *) t2h_addr(cb, &s, arg2));
+ translate_endian((void *) &buf, sizeof(buf));
+ result = utime((char *) t2h_addr(cb, &s, arg1), &buf);
+ errcode = errno;
+ }
+ }
+ break;
+
+ case __NR_access:
+ result = access((char *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case __NR_ftime:
+ {
+ struct timeb t;
+
+ result = ftime(&t);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ t.time = conv_endian(t.time);
+ t.millitm = conv_endian16(t.millitm);
+ t.timezone = conv_endian16(t.timezone);
+ t.dstflag = conv_endian16(t.dstflag);
+ if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t))
+ != sizeof(t))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+
+ case __NR_sync:
+ sync();
+ result = 0;
+ break;
+
+ case __NR_rename:
+ result = rename((char *) t2h_addr(cb, &s, arg1),
+ (char *) t2h_addr(cb, &s, arg2));
+ errcode = errno;
+ break;
+
+ case __NR_mkdir:
+ result = mkdir((char *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case __NR_rmdir:
+ result = rmdir((char *) t2h_addr(cb, &s, arg1));
+ errcode = errno;
+ break;
+
+ case __NR_dup:
+ result = dup(arg1);
+ errcode = errno;
+ break;
+
+ case __NR_brk:
+ result = brk((void *) arg1);
+ errcode = errno;
+ //result = arg1;
+ break;
+
+ case __NR_getgid:
+ result = getgid();
+ errcode = errno;
+ break;
+
+ case __NR_geteuid:
+ result = geteuid();
+ errcode = errno;
+ break;
+
+ case __NR_getegid:
+ result = getegid();
+ errcode = errno;
+ break;
+
+ case __NR_ioctl:
+ result = ioctl(arg1, arg2, arg3);
+ errcode = errno;
+ break;
+
+ case __NR_fcntl:
+ result = fcntl(arg1, arg2, arg3);
+ errcode = errno;
+ break;
+
+ case __NR_ustat:
+ {
+ struct ustat ubuf;
+
+ result = ustat(arg1, &ubuf);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ ubuf.f_tfree = conv_endian(ubuf.f_tfree);
+ ubuf.f_tinode = conv_endian(ubuf.f_tinode);
+ if ((s.write_mem) (cb, &s, arg2, (char *) &ubuf, sizeof(ubuf))
+ != sizeof(ubuf))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_dup2:
+ result = dup2(arg1, arg2);
+ errcode = errno;
+ break;
+
+ case __NR_getppid:
+ result = getppid();
+ errcode = errno;
+ break;
+
+ case __NR_getpgrp:
+ result = getpgrp();
+ errcode = errno;
+ break;
+
+ case __NR_getrlimit:
+ {
+ struct rlimit rlim;
+
+ result = getrlimit(arg1, &rlim);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &rlim, sizeof(rlim));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim))
+ != sizeof(rlim))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_getrusage:
+ {
+ struct rusage usage;
+
+ result = getrusage(arg1, &usage);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &usage, sizeof(usage));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage))
+ != sizeof(usage))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_gettimeofday:
+ {
+ struct timeval tv;
+ struct timezone tz;
+
+ result = gettimeofday(&tv, &tz);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &tv, sizeof(tv));
+ if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv))
+ != sizeof(tv))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+
+ translate_endian((void *) &tz, sizeof(tz));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz))
+ != sizeof(tz))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_getgroups:
+ {
+ gid_t *list;
+
+ if (arg1 > 0)
+ list = (gid_t *) malloc(arg1 * sizeof(gid_t));
+
+ result = getgroups(arg1, list);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) list, arg1 * sizeof(gid_t));
+ if (arg1 > 0)
+ if ((s.write_mem) (cb, &s, arg2, (char *) list, arg1 * sizeof(gid_t))
+ != arg1 * sizeof(gid_t))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_select:
+ {
+ int n;
+ fd_set readfds;
+ fd_set *treadfdsp;
+ fd_set *hreadfdsp;
+ fd_set writefds;
+ fd_set *twritefdsp;
+ fd_set *hwritefdsp;
+ fd_set exceptfds;
+ fd_set *texceptfdsp;
+ fd_set *hexceptfdsp;
+ struct timeval *ttimeoutp;
+ struct timeval timeout;
+
+ n = arg1;
+
+ treadfdsp = (fd_set *) arg2;
+ if (treadfdsp != NULL)
+ {
+ readfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) treadfdsp));
+ translate_endian((void *) &readfds, sizeof(readfds));
+ hreadfdsp = &readfds;
+ }
+ else
+ hreadfdsp = NULL;
+
+ twritefdsp = (fd_set *) arg3;
+ if (twritefdsp != NULL)
+ {
+ writefds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) twritefdsp));
+ translate_endian((void *) &writefds, sizeof(writefds));
+ hwritefdsp = &writefds;
+ }
+ else
+ hwritefdsp = NULL;
+
+ texceptfdsp = (fd_set *) arg4;
+ if (texceptfdsp != NULL)
+ {
+ exceptfds = *((fd_set *) t2h_addr(cb, &s, (unsigned int) texceptfdsp));
+ translate_endian((void *) &exceptfds, sizeof(exceptfds));
+ hexceptfdsp = &exceptfds;
+ }
+ else
+ hexceptfdsp = NULL;
+
+ ttimeoutp = (struct timeval *) arg5;
+ timeout = *((struct timeval *) t2h_addr(cb, &s, (unsigned int) ttimeoutp));
+ translate_endian((void *) &timeout, sizeof(timeout));
+
+ result = select(n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ if (treadfdsp != NULL)
+ {
+ translate_endian((void *) &readfds, sizeof(readfds));
+ if ((s.write_mem) (cb, &s, (unsigned long) treadfdsp,
+ (char *) &readfds, sizeof(readfds)) != sizeof(readfds))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+
+ if (twritefdsp != NULL)
+ {
+ translate_endian((void *) &writefds, sizeof(writefds));
+ if ((s.write_mem) (cb, &s, (unsigned long) twritefdsp,
+ (char *) &writefds, sizeof(writefds)) != sizeof(writefds))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+
+ if (texceptfdsp != NULL)
+ {
+ translate_endian((void *) &exceptfds, sizeof(exceptfds));
+ if ((s.write_mem) (cb, &s, (unsigned long) texceptfdsp,
+ (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+
+ translate_endian((void *) &timeout, sizeof(timeout));
+ if ((s.write_mem) (cb, &s, (unsigned long) ttimeoutp,
+ (char *) &timeout, sizeof(timeout)) != sizeof(timeout))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_symlink:
+ result = symlink((char *) t2h_addr(cb, &s, arg1),
+ (char *) t2h_addr(cb, &s, arg2));
+ errcode = errno;
+ break;
+
+ case __NR_readlink:
+ result = readlink((char *) t2h_addr(cb, &s, arg1),
+ (char *) t2h_addr(cb, &s, arg2),
+ arg3);
+ errcode = errno;
+ break;
+
+ case __NR_readdir:
+ result = (int) readdir((DIR *) t2h_addr(cb, &s, arg1));
+ errcode = errno;
+ break;
+
+#if 0
+ case __NR_mmap:
+ {
+ result = (int) mmap((void *) t2h_addr(cb, &s, arg1),
+ arg2, arg3, arg4, arg5, arg6);
+ errcode = errno;
+
+ if (errno == 0)
+ {
+ sim_core_attach (sd, NULL,
+ 0, access_read_write_exec, 0,
+ result, arg2, 0, NULL, NULL);
+ }
+ }
+ break;
+#endif
+ case __NR_mmap:
+ {
+ void *addr;
+ size_t len;
+ int prot, flags, fildes;
+ off_t off;
+
+ addr = *((void **) t2h_addr(cb, &s, arg1));
+ len = *((size_t *) t2h_addr(cb, &s, arg1 + 4));
+ prot = *((int *) t2h_addr(cb, &s, arg1 + 8));
+ flags = *((int *) t2h_addr(cb, &s, arg1 + 12));
+ fildes = *((int *) t2h_addr(cb, &s, arg1 + 16));
+ off = *((off_t *) t2h_addr(cb, &s, arg1 + 20));
+
+ addr = (void *) conv_endian((unsigned int) addr);
+ len = conv_endian(len);
+ prot = conv_endian(prot);
+ flags = conv_endian(flags);
+ fildes = conv_endian(fildes);
+ off = conv_endian(off);
+
+ //addr = (void *) t2h_addr(cb, &s, (unsigned int) addr);
+ result = (int) mmap(addr, len, prot, flags, fildes, off);
+ errcode = errno;
+
+ //if (errno == 0)
+ if (result != -1)
+ {
+ char c;
+ if (sim_core_read_buffer (sd, NULL, read_map, &c, result, 1) == 0)
+ sim_core_attach (sd, NULL,
+ 0, access_read_write_exec, 0,
+ result, len, 0, NULL, NULL);
+ }
+ }
+ break;
+
+ case __NR_munmap:
+ {
+ result = munmap((void *)arg1, arg2);
+ errcode = errno;
+ if (result != -1)
+ {
+ sim_core_detach (sd, NULL, 0, arg2, result);
+ }
+ }
+ break;
+
+ case __NR_truncate:
+ result = truncate((char *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case __NR_ftruncate:
+ result = ftruncate(arg1, arg2);
+ errcode = errno;
+ break;
+
+ case __NR_fchmod:
+ result = fchmod(arg1, arg2);
+ errcode = errno;
+ break;
+
+ case __NR_fchown:
+ result = fchown(arg1, arg2, arg3);
+ errcode = errno;
+ break;
+
+ case __NR_statfs:
+ {
+ struct statfs statbuf;
+
+ result = statfs((char *) t2h_addr(cb, &s, arg1), &statbuf);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &statbuf, sizeof(statbuf));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf))
+ != sizeof(statbuf))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_fstatfs:
+ {
+ struct statfs statbuf;
+
+ result = fstatfs(arg1, &statbuf);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &statbuf, sizeof(statbuf));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf))
+ != sizeof(statbuf))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_syslog:
+ result = syslog(arg1, (char *) t2h_addr(cb, &s, arg2));
+ errcode = errno;
+ break;
+
+ case __NR_setitimer:
+ {
+ struct itimerval value, ovalue;
+
+ value = *((struct itimerval *) t2h_addr(cb, &s, arg2));
+ translate_endian((void *) &value, sizeof(value));
+
+ if (arg2 == 0)
+ {
+ result = setitimer(arg1, &value, NULL);
+ errcode = errno;
+ }
+ else
+ {
+ result = setitimer(arg1, &value, &ovalue);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &ovalue, sizeof(ovalue));
+ if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue))
+ != sizeof(ovalue))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ }
+ break;
+
+ case __NR_getitimer:
+ {
+ struct itimerval value;
+
+ result = getitimer(arg1, &value);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &value, sizeof(value));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value))
+ != sizeof(value))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_stat:
+ {
+ char *buf;
+ int buflen;
+ struct stat statbuf;
+
+ result = stat((char *) t2h_addr(cb, &s, arg1), &statbuf);
+ errcode = errno;
+ if (result < 0)
+ break;
+
+ buflen = cb_host_to_target_stat (cb, NULL, NULL);
+ buf = xmalloc (buflen);
+ if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen)
+ {
+ /* The translation failed. This is due to an internal
+ host program error, not the target's fault. */
+ free (buf);
+ result = -1;
+ errcode = ENOSYS;
+ break;
+ }
+ if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen)
+ {
+ free (buf);
+ result = -1;
+ errcode = EINVAL;
+ break;
+ }
+ free (buf);
+ }
+ break;
+
+ case __NR_lstat:
+ {
+ char *buf;
+ int buflen;
+ struct stat statbuf;
+
+ result = lstat((char *) t2h_addr(cb, &s, arg1), &statbuf);
+ errcode = errno;
+ if (result < 0)
+ break;
+
+ buflen = cb_host_to_target_stat (cb, NULL, NULL);
+ buf = xmalloc (buflen);
+ if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen)
+ {
+ /* The translation failed. This is due to an internal
+ host program error, not the target's fault. */
+ free (buf);
+ result = -1;
+ errcode = ENOSYS;
+ break;
+ }
+ if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen)
+ {
+ free (buf);
+ result = -1;
+ errcode = EINVAL;
+ break;
+ }
+ free (buf);
+ }
+ break;
+
+ case __NR_fstat:
+ {
+ char *buf;
+ int buflen;
+ struct stat statbuf;
+
+ result = fstat(arg1, &statbuf);
+ errcode = errno;
+ if (result < 0)
+ break;
+
+ buflen = cb_host_to_target_stat (cb, NULL, NULL);
+ buf = xmalloc (buflen);
+ if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen)
+ {
+ /* The translation failed. This is due to an internal
+ host program error, not the target's fault. */
+ free (buf);
+ result = -1;
+ errcode = ENOSYS;
+ break;
+ }
+ if ((s.write_mem) (cb, &s, arg2, buf, buflen) != buflen)
+ {
+ free (buf);
+ result = -1;
+ errcode = EINVAL;
+ break;
+ }
+ free (buf);
+ }
+ break;
+
+ case __NR_sysinfo:
+ {
+ struct sysinfo info;
+
+ result = sysinfo(&info);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ info.uptime = conv_endian(info.uptime);
+ info.loads[0] = conv_endian(info.loads[0]);
+ info.loads[1] = conv_endian(info.loads[1]);
+ info.loads[2] = conv_endian(info.loads[2]);
+ info.totalram = conv_endian(info.totalram);
+ info.freeram = conv_endian(info.freeram);
+ info.sharedram = conv_endian(info.sharedram);
+ info.bufferram = conv_endian(info.bufferram);
+ info.totalswap = conv_endian(info.totalswap);
+ info.freeswap = conv_endian(info.freeswap);
+ info.procs = conv_endian16(info.procs);
+#if LINUX_VERSION_CODE >= 0x20400
+ info.totalhigh = conv_endian(info.totalhigh);
+ info.freehigh = conv_endian(info.freehigh);
+ info.mem_unit = conv_endian(info.mem_unit);
+#endif
+ if ((s.write_mem) (cb, &s, arg1, (char *) &info, sizeof(info))
+ != sizeof(info))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+#if 0
+ case __NR_ipc:
+ {
+ result = ipc(arg1, arg2, arg3, arg4,
+ (void *) t2h_addr(cb, &s, arg5), arg6);
+ errcode = errno;
+ }
+ break;
+#endif
+
+ case __NR_fsync:
+ result = fsync(arg1);
+ errcode = errno;
+ break;
+
+ case __NR_uname:
+ /* utsname contains only arrays of char, so it is not necessary
+ to translate endian. */
+ result = uname((struct utsname *) t2h_addr(cb, &s, arg1));
+ errcode = errno;
+ break;
+
+ case __NR_adjtimex:
+ {
+ struct timex buf;
+
+ result = adjtimex(&buf);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &buf, sizeof(buf));
+ if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf))
+ != sizeof(buf))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_mprotect:
+ result = mprotect((void *) arg1, arg2, arg3);
+ errcode = errno;
+ break;
+
+ case __NR_get_kernel_syms:
+ {
+ struct kernel_sym table;
+
+ result = get_kernel_syms(&table);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ table.value = conv_endian(table.value);
+ if ((s.write_mem) (cb, &s, arg1, (char *) &table, sizeof(table))
+ != sizeof(table))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_fchdir:
+ result = fchdir(arg1);
+ errcode = errno;
+ break;
+
+ case __NR_setfsuid:
+ result = setfsuid(arg1);
+ errcode = errno;
+ break;
+
+ case __NR_setfsgid:
+ result = setfsgid(arg1);
+ errcode = errno;
+ break;
+
+#if 0
+ case __NR__llseek:
+ {
+ loff_t buf;
+
+ result = _llseek(arg1, arg2, arg3, &buf, arg5);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &buf, sizeof(buf));
+ if ((s.write_mem) (cb, &s, t2h_addr(cb, &s, arg4),
+ (char *) &buf, sizeof(buf)) != sizeof(buf))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_getdents:
+ {
+ struct dirent dir;
+
+ result = getdents(arg1, &dir, arg3);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ dir.d_ino = conv_endian(dir.d_ino);
+ dir.d_off = conv_endian(dir.d_off);
+ dir.d_reclen = conv_endian16(dir.d_reclen);
+ if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir))
+ != sizeof(dir))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+#endif
+
+ case __NR_flock:
+ result = flock(arg1, arg2);
+ errcode = errno;
+ break;
+
+ case __NR_msync:
+ result = msync((void *) arg1, arg2, arg3);
+ errcode = errno;
+ break;
+
+ case __NR_readv:
+ {
+ struct iovec vector;
+
+ vector = *((struct iovec *) t2h_addr(cb, &s, arg2));
+ translate_endian((void *) &vector, sizeof(vector));
+
+ result = readv(arg1, &vector, arg3);
+ errcode = errno;
+ }
+ break;
+
+ case __NR_writev:
+ {
+ struct iovec vector;
+
+ vector = *((struct iovec *) t2h_addr(cb, &s, arg2));
+ translate_endian((void *) &vector, sizeof(vector));
+
+ result = writev(arg1, &vector, arg3);
+ errcode = errno;
+ }
+ break;
+
+ case __NR_fdatasync:
+ result = fdatasync(arg1);
+ errcode = errno;
+ break;
+
+ case __NR_mlock:
+ result = mlock((void *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case __NR_munlock:
+ result = munlock((void *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case __NR_nanosleep:
+ {
+ struct timespec req, rem;
+
+ req = *((struct timespec *) t2h_addr(cb, &s, arg2));
+ translate_endian((void *) &req, sizeof(req));
+
+ result = nanosleep(&req, &rem);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian((void *) &rem, sizeof(rem));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem))
+ != sizeof(rem))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case __NR_mremap: /* FIXME */
+ result = (int) mremap((void *) t2h_addr(cb, &s, arg1), arg2, arg3, arg4);
+ errcode = errno;
+ break;
+
+ case __NR_getresuid:
+ {
+ uid_t ruid, euid, suid;
+
+ result = getresuid(&ruid, &euid, &suid);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(ruid);
+ *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(euid);
+ *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(suid);
+ }
+ break;
+
+ case __NR_poll:
+ {
+ struct pollfd ufds;
+
+ ufds = *((struct pollfd *) t2h_addr(cb, &s, arg1));
+ ufds.fd = conv_endian(ufds.fd);
+ ufds.events = conv_endian16(ufds.events);
+ ufds.revents = conv_endian16(ufds.revents);
+
+ result = poll(&ufds, arg2, arg3);
+ errcode = errno;
+ }
+ break;
+
+ case __NR_getresgid:
+ {
+ uid_t rgid, egid, sgid;
+
+ result = getresgid(&rgid, &egid, &sgid);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ *((uid_t *) t2h_addr(cb, &s, arg1)) = conv_endian(rgid);
+ *((uid_t *) t2h_addr(cb, &s, arg2)) = conv_endian(egid);
+ *((uid_t *) t2h_addr(cb, &s, arg3)) = conv_endian(sgid);
+ }
+ break;
+
+ case __NR_pread:
+ result = pread(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4);
+ errcode = errno;
+ break;
+
+ case __NR_pwrite:
+ result = pwrite(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4);
+ errcode = errno;
+ break;
+
+ case __NR_chown:
+ result = chown((char *) t2h_addr(cb, &s, arg1), arg2, arg3);
+ errcode = errno;
+ break;
+
+ case __NR_getcwd:
+ result = (int) getcwd((char *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case __NR_sendfile:
+ {
+ off_t offset;
+
+ offset = *((off_t *) t2h_addr(cb, &s, arg3));
+ offset = conv_endian(offset);
+
+ result = sendfile(arg1, arg2, &offset, arg3);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ *((off_t *) t2h_addr(cb, &s, arg3)) = conv_endian(offset);
+ }
+ break;
+
+ default:
+ result = -1;
+ errcode = ENOSYS;
+ break;
+ }
+
+ if (result == -1)
+ m32rbf_h_gr_set (current_cpu, 0, -errcode);
+ else
+ m32rbf_h_gr_set (current_cpu, 0, result);
+ break;
+ }
+
+ case TRAP_BREAKPOINT:
+ sim_engine_halt (sd, current_cpu, NULL, pc,
+ sim_stopped, SIM_SIGTRAP);
+ break;
+
+ case TRAP_FLUSH_CACHE:
+ /* Do nothing. */
+ break;
+
+ default :
+ {
+ /* Use cr5 as EVB (EIT Vector Base) register. */
+ USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4;
+ return new_pc;
+ }
+ }
+
+ /* Fake an "rte" insn. */
+ /* FIXME: Should duplicate all of rte processing. */
+ return (pc & -4) + 4;
+}
projects / thirdparty / binutils-gdb.git / commitdiff
