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Diffstat (limited to 'sim/m32r/traps-linux.c')
-rw-r--r--sim/m32r/traps-linux.c1389
1 files changed, 0 insertions, 1389 deletions
diff --git a/sim/m32r/traps-linux.c b/sim/m32r/traps-linux.c
deleted file mode 100644
index f5b6783..0000000
--- a/sim/m32r/traps-linux.c
+++ /dev/null
@@ -1,1389 +0,0 @@
-/* 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/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);
-}
-
-/* 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_lchown32:
- 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_getuid32:
- 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_getgid32:
- case __NR_getgid:
- result = getgid();
- errcode = errno;
- break;
-
- case __NR_geteuid32:
- case __NR_geteuid:
- result = geteuid();
- errcode = errno;
- break;
-
- case __NR_getegid32:
- 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_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_getgroups32:
- 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_mmap2:
- {
- void *addr;
- size_t len;
- int prot, flags, fildes;
- off_t off;
-
- addr = (void *) t2h_addr(cb, &s, arg1);
- len = arg2;
- prot = arg3;
- flags = arg4;
- fildes = arg5;
- off = arg6 << 12;
-
- result = (int) mmap(addr, len, prot, flags, fildes, off);
- errcode = errno;
- 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_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_fchown32:
- 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_fchdir:
- result = fchdir(arg1);
- errcode = errno;
- break;
-
- case __NR_setfsuid32:
- case __NR_setfsuid:
- result = setfsuid(arg1);
- errcode = errno;
- break;
-
- case __NR_setfsgid32:
- 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_getresuid32:
- 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_getresgid32:
- 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_chown32:
- 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;
-}
generated by cgit v1.1 at 2025-04-05 01:23:37 +0000