/* Native debugging support for Intel x86 running DJGPP.
- Copyright (C) 1997, 1999, 2000, 2001, 2005, 2006, 2007, 2008, 2009, 2010,
- 2011 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1999-2001, 2005-2012 Free Software Foundation,
+ Inc.
Written by Robert Hoehne.
This file is part of GDB.
static void go32_detach (struct target_ops *ops, char *args, int from_tty);
static void go32_resume (struct target_ops *ops,
ptid_t ptid, int step,
- enum target_signal siggnal);
+ enum gdb_signal siggnal);
static void go32_fetch_registers (struct target_ops *ops,
struct regcache *, int regno);
static void store_register (const struct regcache *, int regno);
static struct
{
int go32_sig;
- enum target_signal gdb_sig;
+ enum gdb_signal gdb_sig;
}
sig_map[] =
{
- {0, TARGET_SIGNAL_FPE},
- {1, TARGET_SIGNAL_TRAP},
+ {0, GDB_SIGNAL_FPE},
+ {1, GDB_SIGNAL_TRAP},
/* Exception 2 is triggered by the NMI. DJGPP handles it as SIGILL,
but I think SIGBUS is better, since the NMI is usually activated
as a result of a memory parity check failure. */
- {2, TARGET_SIGNAL_BUS},
- {3, TARGET_SIGNAL_TRAP},
- {4, TARGET_SIGNAL_FPE},
- {5, TARGET_SIGNAL_SEGV},
- {6, TARGET_SIGNAL_ILL},
- {7, TARGET_SIGNAL_EMT}, /* no-coprocessor exception */
- {8, TARGET_SIGNAL_SEGV},
- {9, TARGET_SIGNAL_SEGV},
- {10, TARGET_SIGNAL_BUS},
- {11, TARGET_SIGNAL_SEGV},
- {12, TARGET_SIGNAL_SEGV},
- {13, TARGET_SIGNAL_SEGV},
- {14, TARGET_SIGNAL_SEGV},
- {16, TARGET_SIGNAL_FPE},
- {17, TARGET_SIGNAL_BUS},
- {31, TARGET_SIGNAL_ILL},
- {0x1b, TARGET_SIGNAL_INT},
- {0x75, TARGET_SIGNAL_FPE},
- {0x78, TARGET_SIGNAL_ALRM},
- {0x79, TARGET_SIGNAL_INT},
- {0x7a, TARGET_SIGNAL_QUIT},
- {-1, TARGET_SIGNAL_LAST}
+ {2, GDB_SIGNAL_BUS},
+ {3, GDB_SIGNAL_TRAP},
+ {4, GDB_SIGNAL_FPE},
+ {5, GDB_SIGNAL_SEGV},
+ {6, GDB_SIGNAL_ILL},
+ {7, GDB_SIGNAL_EMT}, /* no-coprocessor exception */
+ {8, GDB_SIGNAL_SEGV},
+ {9, GDB_SIGNAL_SEGV},
+ {10, GDB_SIGNAL_BUS},
+ {11, GDB_SIGNAL_SEGV},
+ {12, GDB_SIGNAL_SEGV},
+ {13, GDB_SIGNAL_SEGV},
+ {14, GDB_SIGNAL_SEGV},
+ {16, GDB_SIGNAL_FPE},
+ {17, GDB_SIGNAL_BUS},
+ {31, GDB_SIGNAL_ILL},
+ {0x1b, GDB_SIGNAL_INT},
+ {0x75, GDB_SIGNAL_FPE},
+ {0x78, GDB_SIGNAL_ALRM},
+ {0x79, GDB_SIGNAL_INT},
+ {0x7a, GDB_SIGNAL_QUIT},
+ {-1, GDB_SIGNAL_LAST}
};
static struct {
- enum target_signal gdb_sig;
+ enum gdb_signal gdb_sig;
int djgpp_excepno;
} excepn_map[] = {
- {TARGET_SIGNAL_0, -1},
- {TARGET_SIGNAL_ILL, 6}, /* Invalid Opcode */
- {TARGET_SIGNAL_EMT, 7}, /* triggers SIGNOFP */
- {TARGET_SIGNAL_SEGV, 13}, /* GPF */
- {TARGET_SIGNAL_BUS, 17}, /* Alignment Check */
+ {GDB_SIGNAL_0, -1},
+ {GDB_SIGNAL_ILL, 6}, /* Invalid Opcode */
+ {GDB_SIGNAL_EMT, 7}, /* triggers SIGNOFP */
+ {GDB_SIGNAL_SEGV, 13}, /* GPF */
+ {GDB_SIGNAL_BUS, 17}, /* Alignment Check */
/* The rest are fake exceptions, see dpmiexcp.c in djlsr*.zip for
details. */
- {TARGET_SIGNAL_TERM, 0x1b}, /* triggers Ctrl-Break type of SIGINT */
- {TARGET_SIGNAL_FPE, 0x75},
- {TARGET_SIGNAL_INT, 0x79},
- {TARGET_SIGNAL_QUIT, 0x7a},
- {TARGET_SIGNAL_ALRM, 0x78}, /* triggers SIGTIMR */
- {TARGET_SIGNAL_PROF, 0x78},
- {TARGET_SIGNAL_LAST, -1}
+ {GDB_SIGNAL_TERM, 0x1b}, /* triggers Ctrl-Break type of SIGINT */
+ {GDB_SIGNAL_FPE, 0x75},
+ {GDB_SIGNAL_INT, 0x79},
+ {GDB_SIGNAL_QUIT, 0x7a},
+ {GDB_SIGNAL_ALRM, 0x78}, /* triggers SIGTIMR */
+ {GDB_SIGNAL_PROF, 0x78},
+ {GDB_SIGNAL_LAST, -1}
};
static void
static void
go32_resume (struct target_ops *ops,
- ptid_t ptid, int step, enum target_signal siggnal)
+ ptid_t ptid, int step, enum gdb_signal siggnal)
{
int i;
resume_is_step = step;
- if (siggnal != TARGET_SIGNAL_0 && siggnal != TARGET_SIGNAL_TRAP)
+ if (siggnal != GDB_SIGNAL_0 && siggnal != GDB_SIGNAL_TRAP)
{
for (i = 0, resume_signal = -1;
- excepn_map[i].gdb_sig != TARGET_SIGNAL_LAST; i++)
+ excepn_map[i].gdb_sig != GDB_SIGNAL_LAST; i++)
if (excepn_map[i].gdb_sig == siggnal)
{
resume_signal = excepn_map[i].djgpp_excepno;
}
if (resume_signal == -1)
printf_unfiltered ("Cannot deliver signal %s on this platform.\n",
- target_signal_to_name (siggnal));
+ gdb_signal_to_name (siggnal));
}
}
}
else
{
- status->value.sig = TARGET_SIGNAL_UNKNOWN;
+ status->value.sig = GDB_SIGNAL_UNKNOWN;
status->kind = TARGET_WAITKIND_STOPPED;
for (i = 0; sig_map[i].go32_sig != -1; i++)
{
{
#if __DJGPP_MINOR__ < 3
if ((status->value.sig = sig_map[i].gdb_sig) !=
- TARGET_SIGNAL_TRAP)
+ GDB_SIGNAL_TRAP)
status->kind = TARGET_WAITKIND_SIGNALLED;
#else
status->value.sig = sig_map[i].gdb_sig;
return STATUS;
}
+/* Get the value of the DR7 debug status register from the inferior.
+ Here we just return the value stored in D_REGS, as we've got it
+ from the last go32_wait call. */
+
+static unsigned long
+go32_get_dr7 (void)
+{
+ return CONTROL;
+}
+
+/* Get the value of the DR debug register I from the inferior. Here
+ we just return the value stored in D_REGS, as we've got it from the
+ last go32_wait call. */
+
+static CORE_ADDR
+go32_get_dr (int i)
+{
+ if (i < 0 || i > 3)
+ internal_error (__FILE__, __LINE__,
+ _("Invalid register %d in go32_get_dr.\n"), i);
+ return D_REGS[i];
+}
+
/* Put the device open on handle FD into either raw or cooked
mode, return 1 if it was in raw mode, zero otherwise. */
i386_dr_low.set_control = go32_set_dr7;
i386_dr_low.set_addr = go32_set_dr;
- i386_dr_low.reset_addr = NULL;
i386_dr_low.get_status = go32_get_dr6;
+ i386_dr_low.get_control = go32_get_dr7;
+ i386_dr_low.get_addr = go32_get_dr;
i386_set_debug_register_length (4);
go32_ops.to_magic = OPS_MAGIC;
projects / deliverable / binutils-gdb.git / blobdiff