/* m32r exception, interrupt, and trap (EIT) support
- Copyright (C) 1998, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1998-2020 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.
+ 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, write to the Free Software Foundation, Inc.,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "sim-main.h"
+#include "sim-syscall.h"
#include "syscall.h"
#include "targ-vals.h"
#include <dirent.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>
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;
unsigned int hvalue;
unsigned int t1, t2, t3, t4;
- if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN)
+ if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE)
{
t1 = tvalue & 0xff000000;
t2 = tvalue & 0x00ff0000;
unsigned short hvalue;
unsigned short t1, t2;
- if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN)
+ if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE)
{
t1 = tvalue & 0xff00;
t2 = tvalue & 0x00ff;
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;
+ 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 :
s.p1 = (PTR) sd;
s.p2 = (PTR) current_cpu;
- s.read_mem = syscall_read_mem;
- s.write_mem = syscall_write_mem;
+ s.read_mem = sim_syscall_read_mem;
+ s.write_mem = sim_syscall_write_mem;
result = 0;
result2 = 0;
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_getuid32:
case __NR_getuid:
result = getuid();
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;
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_getgroups32:
case __NR_getgroups:
{
gid_t *list;
}
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;
errcode = errno;
break;
+ case __NR_fchown32:
case __NR_fchown:
result = fchown(arg1, arg2, arg3);
errcode = errno;
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_setfsuid32:
case __NR_setfsuid:
result = setfsuid(arg1);
errcode = errno;
break;
+ case __NR_setfsgid32:
case __NR_setfsgid:
result = setfsgid(arg1);
errcode = errno;
errcode = errno;
break;
+ case __NR_getresuid32:
case __NR_getresuid:
{
uid_t ruid, euid, suid;
}
break;
+ case __NR_getresgid32:
case __NR_getresgid:
{
uid_t rgid, egid, sgid;
errcode = errno;
break;
+ case __NR_chown32:
case __NR_chown:
result = chown((char *) t2h_addr(cb, &s, arg1), arg2, arg3);
errcode = errno;