+++ /dev/null
-/* m32r exception, interrupt, and trap (EIT) support
- Copyright (C) 1998-2021 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
-
-/* This must come before any other includes. */
-#include "defs.h"
-
-#include "portability.h"
-#include "sim-main.h"
-#include "sim-signal.h"
-#include "sim-syscall.h"
-#include "sim/callback.h"
-#include "syscall.h"
-#include "targ-vals.h"
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdlib.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);
-}
-\f
-/* Translate target's address to host's address. */
-
-static void *
-t2h_addr (host_callback *cb, struct cb_syscall *sc,
- unsigned long taddr)
-{
- 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);
-}
-
-/* TODO: These functions are a big hack and assume that the host runtime has
- type sizes and struct layouts that match the target. So the Linux emulation
- probaly only really works in 32-bit runtimes. */
-
-static void
-translate_endian_h2t (void *addr, size_t size)
-{
- unsigned int *p = (unsigned int *) addr;
- int i;
-
- for (i = 0; i <= size - 4; i += 4,p++)
- *p = H2T_4 (*p);
-
- if (i <= size - 2)
- *((unsigned short *) p) = H2T_2 (*((unsigned short *) p));
-}
-
-static void
-translate_endian_t2h (void *addr, size_t size)
-{
- unsigned int *p = (unsigned int *) addr;
- int i;
-
- for (i = 0; i <= size - 4; i += 4,p++)
- *p = T2H_4 (*p);
-
- if (i <= size - 2)
- *((unsigned short *) p) = T2H_2 (*((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);
-
- switch (num)
- {
- case TRAP_ELF_SYSCALL :
- {
- long result, result2;
- int errcode;
-
- sim_syscall_multi (current_cpu,
- m32rbf_h_gr_get (current_cpu, 0),
- m32rbf_h_gr_get (current_cpu, 1),
- m32rbf_h_gr_get (current_cpu, 2),
- m32rbf_h_gr_get (current_cpu, 3),
- m32rbf_h_gr_get (current_cpu, 4),
- &result, &result2, &errcode);
-
- m32rbf_h_gr_set (current_cpu, 2, errcode);
- m32rbf_h_gr_set (current_cpu, 0, result);
- m32rbf_h_gr_set (current_cpu, 1, 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) != USER_ENVIRONMENT)
- goto case_default;
-
- 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.arg4 = arg4;
- s.arg5 = arg5;
- s.arg6 = arg6;
- s.arg7 = arg7;
-
- s.p1 = (PTR) sd;
- s.p2 = (PTR) current_cpu;
- s.read_mem = sim_syscall_read_mem;
- s.write_mem = sim_syscall_write_mem;
-
- result = 0;
- result2 = 0;
- errcode = 0;
-
- switch (func)
- {
- case TARGET_LINUX_SYS_exit:
- sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1);
- break;
-
- case TARGET_LINUX_SYS_read:
- result = read(arg1, t2h_addr(cb, &s, arg2), arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_write:
- result = write(arg1, t2h_addr(cb, &s, arg2), arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_open:
- result = open((char *) t2h_addr(cb, &s, arg1), arg2, arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_close:
- result = close(arg1);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_creat:
- result = creat((char *) t2h_addr(cb, &s, arg1), arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_link:
- result = link((char *) t2h_addr(cb, &s, arg1),
- (char *) t2h_addr(cb, &s, arg2));
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_unlink:
- result = unlink((char *) t2h_addr(cb, &s, arg1));
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_chdir:
- result = chdir((char *) t2h_addr(cb, &s, arg1));
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_time:
- {
- time_t t;
-
- if (arg1 == 0)
- {
- result = (int) time(NULL);
- errcode = errno;
- }
- else
- {
- result = (int) time(&t);
- errcode = errno;
-
- if (result != 0)
- break;
-
- t = H2T_4 (t);
- if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- }
- break;
-
- case TARGET_LINUX_SYS_mknod:
- result = mknod((char *) t2h_addr(cb, &s, arg1),
- (mode_t) arg2, (dev_t) arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_chmod:
- result = chmod((char *) t2h_addr(cb, &s, arg1), (mode_t) arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_lchown32:
- case TARGET_LINUX_SYS_lchown:
- result = lchown((char *) t2h_addr(cb, &s, arg1),
- (uid_t) arg2, (gid_t) arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_lseek:
- result = (int) lseek(arg1, (off_t) arg2, arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_getpid:
- result = getpid();
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_getuid32:
- case TARGET_LINUX_SYS_getuid:
- result = getuid();
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_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_t2h (&buf, sizeof(buf));
- result = utime((char *) t2h_addr(cb, &s, arg1), &buf);
- errcode = errno;
- }
- }
- break;
-
- case TARGET_LINUX_SYS_access:
- result = access((char *) t2h_addr(cb, &s, arg1), arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_ftime:
- {
- struct timeb t;
-
- result = ftime(&t);
- errcode = errno;
-
- if (result != 0)
- break;
-
- t.time = H2T_4 (t.time);
- t.millitm = H2T_2 (t.millitm);
- t.timezone = H2T_2 (t.timezone);
- t.dstflag = H2T_2 (t.dstflag);
- if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t))
- != sizeof(t))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
-
- case TARGET_LINUX_SYS_sync:
- sync();
- result = 0;
- break;
-
- case TARGET_LINUX_SYS_rename:
- result = rename((char *) t2h_addr(cb, &s, arg1),
- (char *) t2h_addr(cb, &s, arg2));
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_mkdir:
- result = mkdir((char *) t2h_addr(cb, &s, arg1), arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_rmdir:
- result = rmdir((char *) t2h_addr(cb, &s, arg1));
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_dup:
- result = dup(arg1);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_brk:
- result = brk((void *) arg1);
- errcode = errno;
- //result = arg1;
- break;
-
- case TARGET_LINUX_SYS_getgid32:
- case TARGET_LINUX_SYS_getgid:
- result = getgid();
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_geteuid32:
- case TARGET_LINUX_SYS_geteuid:
- result = geteuid();
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_getegid32:
- case TARGET_LINUX_SYS_getegid:
- result = getegid();
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_ioctl:
- result = ioctl(arg1, arg2, arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_fcntl:
- result = fcntl(arg1, arg2, arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_dup2:
- result = dup2(arg1, arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_getppid:
- result = getppid();
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_getpgrp:
- result = getpgrp();
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_getrlimit:
- {
- struct rlimit rlim;
-
- result = getrlimit(arg1, &rlim);
- errcode = errno;
-
- if (result != 0)
- break;
-
- translate_endian_h2t (&rlim, sizeof(rlim));
- if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim))
- != sizeof(rlim))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- break;
-
- case TARGET_LINUX_SYS_getrusage:
- {
- struct rusage usage;
-
- result = getrusage(arg1, &usage);
- errcode = errno;
-
- if (result != 0)
- break;
-
- translate_endian_h2t (&usage, sizeof(usage));
- if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage))
- != sizeof(usage))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- break;
-
- case TARGET_LINUX_SYS_gettimeofday:
- {
- struct timeval tv;
- struct timezone tz;
-
- result = gettimeofday(&tv, &tz);
- errcode = errno;
-
- if (result != 0)
- break;
-
- translate_endian_h2t (&tv, sizeof(tv));
- if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv))
- != sizeof(tv))
- {
- result = -1;
- errcode = EINVAL;
- }
-
- translate_endian_h2t (&tz, sizeof(tz));
- if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz))
- != sizeof(tz))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- break;
-
- case TARGET_LINUX_SYS_getgroups32:
- case TARGET_LINUX_SYS_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_h2t (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 TARGET_LINUX_SYS_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_t2h (&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_t2h (&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_t2h (&exceptfds, sizeof(exceptfds));
- hexceptfdsp = &exceptfds;
- }
- else
- hexceptfdsp = NULL;
-
- ttimeoutp = (struct timeval *) arg5;
- timeout = *((struct timeval *) t2h_addr(cb, &s, (unsigned int) ttimeoutp));
- translate_endian_t2h (&timeout, sizeof(timeout));
-
- result = select(n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout);
- errcode = errno;
-
- if (result != 0)
- break;
-
- if (treadfdsp != NULL)
- {
- translate_endian_h2t (&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_h2t (&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_h2t (&exceptfds, sizeof(exceptfds));
- if ((s.write_mem) (cb, &s, (unsigned long) texceptfdsp,
- (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
-
- translate_endian_h2t (&timeout, sizeof(timeout));
- if ((s.write_mem) (cb, &s, (unsigned long) ttimeoutp,
- (char *) &timeout, sizeof(timeout)) != sizeof(timeout))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- break;
-
- case TARGET_LINUX_SYS_symlink:
- result = symlink((char *) t2h_addr(cb, &s, arg1),
- (char *) t2h_addr(cb, &s, arg2));
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_readlink:
- result = readlink((char *) t2h_addr(cb, &s, arg1),
- (char *) t2h_addr(cb, &s, arg2),
- arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_readdir:
- result = (int) readdir((DIR *) t2h_addr(cb, &s, arg1));
- errcode = errno;
- break;
-
-#if 0
- case TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_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 *) T2H_4 ((unsigned int) addr);
- len = T2H_4 (len);
- prot = T2H_4 (prot);
- flags = T2H_4 (flags);
- fildes = T2H_4 (fildes);
- off = T2H_4 (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 TARGET_LINUX_SYS_munmap:
- {
- result = munmap((void *)arg1, arg2);
- errcode = errno;
- if (result != -1)
- {
- sim_core_detach (sd, NULL, 0, arg2, result);
- }
- }
- break;
-
- case TARGET_LINUX_SYS_truncate:
- result = truncate((char *) t2h_addr(cb, &s, arg1), arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_ftruncate:
- result = ftruncate(arg1, arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_fchmod:
- result = fchmod(arg1, arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_fchown32:
- case TARGET_LINUX_SYS_fchown:
- result = fchown(arg1, arg2, arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_statfs:
- {
- struct statfs statbuf;
-
- result = statfs((char *) t2h_addr(cb, &s, arg1), &statbuf);
- errcode = errno;
-
- if (result != 0)
- break;
-
- translate_endian_h2t (&statbuf, sizeof(statbuf));
- if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf))
- != sizeof(statbuf))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- break;
-
- case TARGET_LINUX_SYS_fstatfs:
- {
- struct statfs statbuf;
-
- result = fstatfs(arg1, &statbuf);
- errcode = errno;
-
- if (result != 0)
- break;
-
- translate_endian_h2t (&statbuf, sizeof(statbuf));
- if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf))
- != sizeof(statbuf))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- break;
-
- case TARGET_LINUX_SYS_syslog:
- result = syslog(arg1, (char *) t2h_addr(cb, &s, arg2));
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_setitimer:
- {
- struct itimerval value, ovalue;
-
- value = *((struct itimerval *) t2h_addr(cb, &s, arg2));
- translate_endian_t2h (&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_h2t (&ovalue, sizeof(ovalue));
- if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue))
- != sizeof(ovalue))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- }
- break;
-
- case TARGET_LINUX_SYS_getitimer:
- {
- struct itimerval value;
-
- result = getitimer(arg1, &value);
- errcode = errno;
-
- if (result != 0)
- break;
-
- translate_endian_h2t (&value, sizeof(value));
- if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value))
- != sizeof(value))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- break;
-
- case TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_sysinfo:
- {
- struct sysinfo info;
-
- result = sysinfo(&info);
- errcode = errno;
-
- if (result != 0)
- break;
-
- info.uptime = H2T_4 (info.uptime);
- info.loads[0] = H2T_4 (info.loads[0]);
- info.loads[1] = H2T_4 (info.loads[1]);
- info.loads[2] = H2T_4 (info.loads[2]);
- info.totalram = H2T_4 (info.totalram);
- info.freeram = H2T_4 (info.freeram);
- info.sharedram = H2T_4 (info.sharedram);
- info.bufferram = H2T_4 (info.bufferram);
- info.totalswap = H2T_4 (info.totalswap);
- info.freeswap = H2T_4 (info.freeswap);
- info.procs = H2T_2 (info.procs);
-#if LINUX_VERSION_CODE >= 0x20400
- info.totalhigh = H2T_4 (info.totalhigh);
- info.freehigh = H2T_4 (info.freehigh);
- info.mem_unit = H2T_4 (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 TARGET_LINUX_SYS_ipc:
- {
- result = ipc(arg1, arg2, arg3, arg4,
- (void *) t2h_addr(cb, &s, arg5), arg6);
- errcode = errno;
- }
- break;
-#endif
-
- case TARGET_LINUX_SYS_fsync:
- result = fsync(arg1);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_adjtimex:
- {
- struct timex buf;
-
- result = adjtimex(&buf);
- errcode = errno;
-
- if (result != 0)
- break;
-
- translate_endian_h2t (&buf, sizeof(buf));
- if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf))
- != sizeof(buf))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- break;
-
- case TARGET_LINUX_SYS_mprotect:
- result = mprotect((void *) arg1, arg2, arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_fchdir:
- result = fchdir(arg1);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_setfsuid32:
- case TARGET_LINUX_SYS_setfsuid:
- result = setfsuid(arg1);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_setfsgid32:
- case TARGET_LINUX_SYS_setfsgid:
- result = setfsgid(arg1);
- errcode = errno;
- break;
-
-#if 0
- case TARGET_LINUX_SYS__llseek:
- {
- loff_t buf;
-
- result = _llseek(arg1, arg2, arg3, &buf, arg5);
- errcode = errno;
-
- if (result != 0)
- break;
-
- translate_endian_h2t (&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 TARGET_LINUX_SYS_getdents:
- {
- struct dirent dir;
-
- result = getdents(arg1, &dir, arg3);
- errcode = errno;
-
- if (result != 0)
- break;
-
- dir.d_ino = H2T_4 (dir.d_ino);
- dir.d_off = H2T_4 (dir.d_off);
- dir.d_reclen = H2T_2 (dir.d_reclen);
- if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir))
- != sizeof(dir))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- break;
-#endif
-
- case TARGET_LINUX_SYS_flock:
- result = flock(arg1, arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_msync:
- result = msync((void *) arg1, arg2, arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_readv:
- {
- struct iovec vector;
-
- vector = *((struct iovec *) t2h_addr(cb, &s, arg2));
- translate_endian_t2h (&vector, sizeof(vector));
-
- result = readv(arg1, &vector, arg3);
- errcode = errno;
- }
- break;
-
- case TARGET_LINUX_SYS_writev:
- {
- struct iovec vector;
-
- vector = *((struct iovec *) t2h_addr(cb, &s, arg2));
- translate_endian_t2h (&vector, sizeof(vector));
-
- result = writev(arg1, &vector, arg3);
- errcode = errno;
- }
- break;
-
- case TARGET_LINUX_SYS_fdatasync:
- result = fdatasync(arg1);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_mlock:
- result = mlock((void *) t2h_addr(cb, &s, arg1), arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_munlock:
- result = munlock((void *) t2h_addr(cb, &s, arg1), arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_nanosleep:
- {
- struct timespec req, rem;
-
- req = *((struct timespec *) t2h_addr(cb, &s, arg2));
- translate_endian_t2h (&req, sizeof(req));
-
- result = nanosleep(&req, &rem);
- errcode = errno;
-
- if (result != 0)
- break;
-
- translate_endian_h2t (&rem, sizeof(rem));
- if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem))
- != sizeof(rem))
- {
- result = -1;
- errcode = EINVAL;
- }
- }
- break;
-
- case TARGET_LINUX_SYS_mremap: /* FIXME */
- result = (int) mremap((void *) t2h_addr(cb, &s, arg1), arg2, arg3, arg4);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_getresuid32:
- case TARGET_LINUX_SYS_getresuid:
- {
- uid_t ruid, euid, suid;
-
- result = getresuid(&ruid, &euid, &suid);
- errcode = errno;
-
- if (result != 0)
- break;
-
- *((uid_t *) t2h_addr(cb, &s, arg1)) = H2T_4 (ruid);
- *((uid_t *) t2h_addr(cb, &s, arg2)) = H2T_4 (euid);
- *((uid_t *) t2h_addr(cb, &s, arg3)) = H2T_4 (suid);
- }
- break;
-
- case TARGET_LINUX_SYS_poll:
- {
- struct pollfd ufds;
-
- ufds = *((struct pollfd *) t2h_addr(cb, &s, arg1));
- ufds.fd = T2H_4 (ufds.fd);
- ufds.events = T2H_2 (ufds.events);
- ufds.revents = T2H_2 (ufds.revents);
-
- result = poll(&ufds, arg2, arg3);
- errcode = errno;
- }
- break;
-
- case TARGET_LINUX_SYS_getresgid32:
- case TARGET_LINUX_SYS_getresgid:
- {
- uid_t rgid, egid, sgid;
-
- result = getresgid(&rgid, &egid, &sgid);
- errcode = errno;
-
- if (result != 0)
- break;
-
- *((uid_t *) t2h_addr(cb, &s, arg1)) = H2T_4 (rgid);
- *((uid_t *) t2h_addr(cb, &s, arg2)) = H2T_4 (egid);
- *((uid_t *) t2h_addr(cb, &s, arg3)) = H2T_4 (sgid);
- }
- break;
-
- case TARGET_LINUX_SYS_pread:
- result = pread(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_pwrite:
- result = pwrite(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_chown32:
- case TARGET_LINUX_SYS_chown:
- result = chown((char *) t2h_addr(cb, &s, arg1), arg2, arg3);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_getcwd:
- result = (int) getcwd((char *) t2h_addr(cb, &s, arg1), arg2);
- errcode = errno;
- break;
-
- case TARGET_LINUX_SYS_sendfile:
- {
- off_t offset;
-
- offset = *((off_t *) t2h_addr(cb, &s, arg3));
- offset = T2H_4 (offset);
-
- result = sendfile(arg1, arg2, &offset, arg3);
- errcode = errno;
-
- if (result != 0)
- break;
-
- *((off_t *) t2h_addr(cb, &s, arg3)) = H2T_4 (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;
-
- case_default:
- 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;
-}
/* m32r exception, interrupt, and trap (EIT) support
Copyright (C) 1998-2021 Free Software Foundation, Inc.
- Contributed by Cygnus Solutions.
+ Contributed by Cygnus Solutions & Renesas.
This file is part of GDB, the GNU debugger.
/* This must come before any other includes. */
#include "defs.h"
+#include "portability.h"
#include "sim-main.h"
#include "sim-signal.h"
#include "sim-syscall.h"
+#include "sim/callback.h"
+#include "syscall.h"
#include "targ-vals.h"
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
#include <stdlib.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_LINUX_SYSCALL 2
#define TRAP_FLUSH_CACHE 12
/* The semantic code invokes this for invalid (unrecognized) instructions. */
default:
abort ();
}
-
+
m32rbf_h_cr_set (current_cpu, H_CR_BPC, cia);
sim_engine_restart (CPU_STATE (current_cpu), current_cpu, NULL,
transfer, sig);
}
\f
+/* Translate target's address to host's address. */
+
+static void *
+t2h_addr (host_callback *cb, struct cb_syscall *sc,
+ unsigned long taddr)
+{
+ 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);
+}
+
+/* TODO: These functions are a big hack and assume that the host runtime has
+ type sizes and struct layouts that match the target. So the Linux emulation
+ probaly only really works in 32-bit runtimes. */
+
+static void
+translate_endian_h2t (void *addr, size_t size)
+{
+ unsigned int *p = (unsigned int *) addr;
+ int i;
+
+ for (i = 0; i <= size - 4; i += 4,p++)
+ *p = H2T_4 (*p);
+
+ if (i <= size - 2)
+ *((unsigned short *) p) = H2T_2 (*((unsigned short *) p));
+}
+
+static void
+translate_endian_t2h (void *addr, size_t size)
+{
+ unsigned int *p = (unsigned int *) addr;
+ int i;
+
+ for (i = 0; i <= size - 4; i += 4,p++)
+ *p = T2H_4 (*p);
+
+ if (i <= size - 2)
+ *((unsigned short *) p) = T2H_2 (*((unsigned short *) p));
+}
+
/* Trap support.
The result is the pc address to continue at.
Preprocessing like saving the various registers has already been done. */
host_callback *cb = STATE_CALLBACK (sd);
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 = EIT_TRAP_BASE_ADDR + num * 4; */
- USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4;
- return new_pc;
- }
+ goto case_default;
switch (num)
{
- case TRAP_SYSCALL :
+ case TRAP_SYSCALL:
{
long result, result2;
int errcode;
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) != USER_ENVIRONMENT)
+ goto case_default;
+
+ 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.arg4 = arg4;
+ s.arg5 = arg5;
+ s.arg6 = arg6;
+ s.arg7 = arg7;
+
+ s.p1 = (PTR) sd;
+ s.p2 = (PTR) current_cpu;
+ s.read_mem = sim_syscall_read_mem;
+ s.write_mem = sim_syscall_write_mem;
+
+ result = 0;
+ result2 = 0;
+ errcode = 0;
+
+ switch (func)
+ {
+ case TARGET_LINUX_SYS_exit:
+ sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, arg1);
+ break;
+
+ case TARGET_LINUX_SYS_read:
+ result = read(arg1, t2h_addr(cb, &s, arg2), arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_write:
+ result = write(arg1, t2h_addr(cb, &s, arg2), arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_open:
+ result = open((char *) t2h_addr(cb, &s, arg1), arg2, arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_close:
+ result = close(arg1);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_creat:
+ result = creat((char *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_link:
+ result = link((char *) t2h_addr(cb, &s, arg1),
+ (char *) t2h_addr(cb, &s, arg2));
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_unlink:
+ result = unlink((char *) t2h_addr(cb, &s, arg1));
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_chdir:
+ result = chdir((char *) t2h_addr(cb, &s, arg1));
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_time:
+ {
+ time_t t;
+
+ if (arg1 == 0)
+ {
+ result = (int) time(NULL);
+ errcode = errno;
+ }
+ else
+ {
+ result = (int) time(&t);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ t = H2T_4 (t);
+ if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t)) != sizeof(t))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_mknod:
+ result = mknod((char *) t2h_addr(cb, &s, arg1),
+ (mode_t) arg2, (dev_t) arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_chmod:
+ result = chmod((char *) t2h_addr(cb, &s, arg1), (mode_t) arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_lchown32:
+ case TARGET_LINUX_SYS_lchown:
+ result = lchown((char *) t2h_addr(cb, &s, arg1),
+ (uid_t) arg2, (gid_t) arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_lseek:
+ result = (int) lseek(arg1, (off_t) arg2, arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_getpid:
+ result = getpid();
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_getuid32:
+ case TARGET_LINUX_SYS_getuid:
+ result = getuid();
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_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_t2h (&buf, sizeof(buf));
+ result = utime((char *) t2h_addr(cb, &s, arg1), &buf);
+ errcode = errno;
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_access:
+ result = access((char *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_ftime:
+ {
+ struct timeb t;
+
+ result = ftime(&t);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ t.time = H2T_4 (t.time);
+ t.millitm = H2T_2 (t.millitm);
+ t.timezone = H2T_2 (t.timezone);
+ t.dstflag = H2T_2 (t.dstflag);
+ if ((s.write_mem) (cb, &s, arg1, (char *) &t, sizeof(t))
+ != sizeof(t))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+
+ case TARGET_LINUX_SYS_sync:
+ sync();
+ result = 0;
+ break;
+
+ case TARGET_LINUX_SYS_rename:
+ result = rename((char *) t2h_addr(cb, &s, arg1),
+ (char *) t2h_addr(cb, &s, arg2));
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_mkdir:
+ result = mkdir((char *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_rmdir:
+ result = rmdir((char *) t2h_addr(cb, &s, arg1));
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_dup:
+ result = dup(arg1);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_brk:
+ result = brk((void *) arg1);
+ errcode = errno;
+ //result = arg1;
+ break;
+
+ case TARGET_LINUX_SYS_getgid32:
+ case TARGET_LINUX_SYS_getgid:
+ result = getgid();
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_geteuid32:
+ case TARGET_LINUX_SYS_geteuid:
+ result = geteuid();
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_getegid32:
+ case TARGET_LINUX_SYS_getegid:
+ result = getegid();
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_ioctl:
+ result = ioctl(arg1, arg2, arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_fcntl:
+ result = fcntl(arg1, arg2, arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_dup2:
+ result = dup2(arg1, arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_getppid:
+ result = getppid();
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_getpgrp:
+ result = getpgrp();
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_getrlimit:
+ {
+ struct rlimit rlim;
+
+ result = getrlimit(arg1, &rlim);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian_h2t (&rlim, sizeof(rlim));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &rlim, sizeof(rlim))
+ != sizeof(rlim))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_getrusage:
+ {
+ struct rusage usage;
+
+ result = getrusage(arg1, &usage);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian_h2t (&usage, sizeof(usage));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &usage, sizeof(usage))
+ != sizeof(usage))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_gettimeofday:
+ {
+ struct timeval tv;
+ struct timezone tz;
+
+ result = gettimeofday(&tv, &tz);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian_h2t (&tv, sizeof(tv));
+ if ((s.write_mem) (cb, &s, arg1, (char *) &tv, sizeof(tv))
+ != sizeof(tv))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+
+ translate_endian_h2t (&tz, sizeof(tz));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &tz, sizeof(tz))
+ != sizeof(tz))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_getgroups32:
+ case TARGET_LINUX_SYS_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_h2t (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 TARGET_LINUX_SYS_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_t2h (&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_t2h (&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_t2h (&exceptfds, sizeof(exceptfds));
+ hexceptfdsp = &exceptfds;
+ }
+ else
+ hexceptfdsp = NULL;
+
+ ttimeoutp = (struct timeval *) arg5;
+ timeout = *((struct timeval *) t2h_addr(cb, &s, (unsigned int) ttimeoutp));
+ translate_endian_t2h (&timeout, sizeof(timeout));
+
+ result = select(n, hreadfdsp, hwritefdsp, hexceptfdsp, &timeout);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ if (treadfdsp != NULL)
+ {
+ translate_endian_h2t (&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_h2t (&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_h2t (&exceptfds, sizeof(exceptfds));
+ if ((s.write_mem) (cb, &s, (unsigned long) texceptfdsp,
+ (char *) &exceptfds, sizeof(exceptfds)) != sizeof(exceptfds))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+
+ translate_endian_h2t (&timeout, sizeof(timeout));
+ if ((s.write_mem) (cb, &s, (unsigned long) ttimeoutp,
+ (char *) &timeout, sizeof(timeout)) != sizeof(timeout))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_symlink:
+ result = symlink((char *) t2h_addr(cb, &s, arg1),
+ (char *) t2h_addr(cb, &s, arg2));
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_readlink:
+ result = readlink((char *) t2h_addr(cb, &s, arg1),
+ (char *) t2h_addr(cb, &s, arg2),
+ arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_readdir:
+ result = (int) readdir((DIR *) t2h_addr(cb, &s, arg1));
+ errcode = errno;
+ break;
+
+#if 0
+ case TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_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 *) T2H_4 ((unsigned int) addr);
+ len = T2H_4 (len);
+ prot = T2H_4 (prot);
+ flags = T2H_4 (flags);
+ fildes = T2H_4 (fildes);
+ off = T2H_4 (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 TARGET_LINUX_SYS_munmap:
+ {
+ result = munmap((void *)arg1, arg2);
+ errcode = errno;
+ if (result != -1)
+ {
+ sim_core_detach (sd, NULL, 0, arg2, result);
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_truncate:
+ result = truncate((char *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_ftruncate:
+ result = ftruncate(arg1, arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_fchmod:
+ result = fchmod(arg1, arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_fchown32:
+ case TARGET_LINUX_SYS_fchown:
+ result = fchown(arg1, arg2, arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_statfs:
+ {
+ struct statfs statbuf;
+
+ result = statfs((char *) t2h_addr(cb, &s, arg1), &statbuf);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian_h2t (&statbuf, sizeof(statbuf));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf))
+ != sizeof(statbuf))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_fstatfs:
+ {
+ struct statfs statbuf;
+
+ result = fstatfs(arg1, &statbuf);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian_h2t (&statbuf, sizeof(statbuf));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &statbuf, sizeof(statbuf))
+ != sizeof(statbuf))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_syslog:
+ result = syslog(arg1, (char *) t2h_addr(cb, &s, arg2));
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_setitimer:
+ {
+ struct itimerval value, ovalue;
+
+ value = *((struct itimerval *) t2h_addr(cb, &s, arg2));
+ translate_endian_t2h (&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_h2t (&ovalue, sizeof(ovalue));
+ if ((s.write_mem) (cb, &s, arg3, (char *) &ovalue, sizeof(ovalue))
+ != sizeof(ovalue))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_getitimer:
+ {
+ struct itimerval value;
+
+ result = getitimer(arg1, &value);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian_h2t (&value, sizeof(value));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &value, sizeof(value))
+ != sizeof(value))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_sysinfo:
+ {
+ struct sysinfo info;
+
+ result = sysinfo(&info);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ info.uptime = H2T_4 (info.uptime);
+ info.loads[0] = H2T_4 (info.loads[0]);
+ info.loads[1] = H2T_4 (info.loads[1]);
+ info.loads[2] = H2T_4 (info.loads[2]);
+ info.totalram = H2T_4 (info.totalram);
+ info.freeram = H2T_4 (info.freeram);
+ info.sharedram = H2T_4 (info.sharedram);
+ info.bufferram = H2T_4 (info.bufferram);
+ info.totalswap = H2T_4 (info.totalswap);
+ info.freeswap = H2T_4 (info.freeswap);
+ info.procs = H2T_2 (info.procs);
+#if LINUX_VERSION_CODE >= 0x20400
+ info.totalhigh = H2T_4 (info.totalhigh);
+ info.freehigh = H2T_4 (info.freehigh);
+ info.mem_unit = H2T_4 (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 TARGET_LINUX_SYS_ipc:
+ {
+ result = ipc(arg1, arg2, arg3, arg4,
+ (void *) t2h_addr(cb, &s, arg5), arg6);
+ errcode = errno;
+ }
+ break;
+#endif
+
+ case TARGET_LINUX_SYS_fsync:
+ result = fsync(arg1);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_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 TARGET_LINUX_SYS_adjtimex:
+ {
+ struct timex buf;
+
+ result = adjtimex(&buf);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian_h2t (&buf, sizeof(buf));
+ if ((s.write_mem) (cb, &s, arg1, (char *) &buf, sizeof(buf))
+ != sizeof(buf))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_mprotect:
+ result = mprotect((void *) arg1, arg2, arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_fchdir:
+ result = fchdir(arg1);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_setfsuid32:
+ case TARGET_LINUX_SYS_setfsuid:
+ result = setfsuid(arg1);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_setfsgid32:
+ case TARGET_LINUX_SYS_setfsgid:
+ result = setfsgid(arg1);
+ errcode = errno;
+ break;
+
+#if 0
+ case TARGET_LINUX_SYS__llseek:
+ {
+ loff_t buf;
+
+ result = _llseek(arg1, arg2, arg3, &buf, arg5);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian_h2t (&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 TARGET_LINUX_SYS_getdents:
+ {
+ struct dirent dir;
+
+ result = getdents(arg1, &dir, arg3);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ dir.d_ino = H2T_4 (dir.d_ino);
+ dir.d_off = H2T_4 (dir.d_off);
+ dir.d_reclen = H2T_2 (dir.d_reclen);
+ if ((s.write_mem) (cb, &s, arg2, (char *) &dir, sizeof(dir))
+ != sizeof(dir))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+#endif
+
+ case TARGET_LINUX_SYS_flock:
+ result = flock(arg1, arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_msync:
+ result = msync((void *) arg1, arg2, arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_readv:
+ {
+ struct iovec vector;
+
+ vector = *((struct iovec *) t2h_addr(cb, &s, arg2));
+ translate_endian_t2h (&vector, sizeof(vector));
+
+ result = readv(arg1, &vector, arg3);
+ errcode = errno;
+ }
+ break;
+
+ case TARGET_LINUX_SYS_writev:
+ {
+ struct iovec vector;
+
+ vector = *((struct iovec *) t2h_addr(cb, &s, arg2));
+ translate_endian_t2h (&vector, sizeof(vector));
+
+ result = writev(arg1, &vector, arg3);
+ errcode = errno;
+ }
+ break;
+
+ case TARGET_LINUX_SYS_fdatasync:
+ result = fdatasync(arg1);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_mlock:
+ result = mlock((void *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_munlock:
+ result = munlock((void *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_nanosleep:
+ {
+ struct timespec req, rem;
+
+ req = *((struct timespec *) t2h_addr(cb, &s, arg2));
+ translate_endian_t2h (&req, sizeof(req));
+
+ result = nanosleep(&req, &rem);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ translate_endian_h2t (&rem, sizeof(rem));
+ if ((s.write_mem) (cb, &s, arg2, (char *) &rem, sizeof(rem))
+ != sizeof(rem))
+ {
+ result = -1;
+ errcode = EINVAL;
+ }
+ }
+ break;
+
+ case TARGET_LINUX_SYS_mremap: /* FIXME */
+ result = (int) mremap((void *) t2h_addr(cb, &s, arg1), arg2, arg3, arg4);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_getresuid32:
+ case TARGET_LINUX_SYS_getresuid:
+ {
+ uid_t ruid, euid, suid;
+
+ result = getresuid(&ruid, &euid, &suid);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ *((uid_t *) t2h_addr(cb, &s, arg1)) = H2T_4 (ruid);
+ *((uid_t *) t2h_addr(cb, &s, arg2)) = H2T_4 (euid);
+ *((uid_t *) t2h_addr(cb, &s, arg3)) = H2T_4 (suid);
+ }
+ break;
+
+ case TARGET_LINUX_SYS_poll:
+ {
+ struct pollfd ufds;
+
+ ufds = *((struct pollfd *) t2h_addr(cb, &s, arg1));
+ ufds.fd = T2H_4 (ufds.fd);
+ ufds.events = T2H_2 (ufds.events);
+ ufds.revents = T2H_2 (ufds.revents);
+
+ result = poll(&ufds, arg2, arg3);
+ errcode = errno;
+ }
+ break;
+
+ case TARGET_LINUX_SYS_getresgid32:
+ case TARGET_LINUX_SYS_getresgid:
+ {
+ uid_t rgid, egid, sgid;
+
+ result = getresgid(&rgid, &egid, &sgid);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ *((uid_t *) t2h_addr(cb, &s, arg1)) = H2T_4 (rgid);
+ *((uid_t *) t2h_addr(cb, &s, arg2)) = H2T_4 (egid);
+ *((uid_t *) t2h_addr(cb, &s, arg3)) = H2T_4 (sgid);
+ }
+ break;
+
+ case TARGET_LINUX_SYS_pread:
+ result = pread(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_pwrite:
+ result = pwrite(arg1, (void *) t2h_addr(cb, &s, arg2), arg3, arg4);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_chown32:
+ case TARGET_LINUX_SYS_chown:
+ result = chown((char *) t2h_addr(cb, &s, arg1), arg2, arg3);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_getcwd:
+ result = (int) getcwd((char *) t2h_addr(cb, &s, arg1), arg2);
+ errcode = errno;
+ break;
+
+ case TARGET_LINUX_SYS_sendfile:
+ {
+ off_t offset;
+
+ offset = *((off_t *) t2h_addr(cb, &s, arg3));
+ offset = T2H_4 (offset);
+
+ result = sendfile(arg1, arg2, &offset, arg3);
+ errcode = errno;
+
+ if (result != 0)
+ break;
+
+ *((off_t *) t2h_addr(cb, &s, arg3)) = H2T_4 (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);
/* Do nothing. */
break;
- default :
+ case_default:
+ default:
{
+ /* 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 = EIT_TRAP_BASE_ADDR + num * 4; */
- /* Use cr5 as EVB (EIT Vector Base) register. */
- USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4;
+ USI new_pc = m32rbf_h_cr_get (current_cpu, 5) + 0x40 + num * 4;
return new_pc;
}
}
projects / binutils-gdb.git / commitdiff