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Re-vamp the register code so that a lot more is routed through

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{read,write}_register_gen.  Hook that function with multi-arch.
This commit is contained in:
Andrew Cagney
2001-03-24 01:26:09 +00:00
parent cc51ea7952
commit 61a0eb5b8e
7 changed files with 263 additions and 86 deletions
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62
gdb/gdbarch.c
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@@ -149,6 +149,8 @@ struct gdbarch
gdbarch_write_fp_ftype *write_fp;
gdbarch_read_sp_ftype *read_sp;
gdbarch_write_sp_ftype *write_sp;
gdbarch_register_read_ftype *register_read;
gdbarch_register_write_ftype *register_write;
int num_regs;
int num_pseudo_regs;
int sp_regnum;
@@ -321,6 +323,8 @@ struct gdbarch startup_gdbarch =
0,
0,
0,
0,
0,
generic_get_saved_register,
0,
0,
@@ -512,6 +516,8 @@ verify_gdbarch (struct gdbarch *gdbarch)
/* Skip verify of write_fp, invalid_p == 0 */
/* Skip verify of read_sp, invalid_p == 0 */
/* Skip verify of write_sp, invalid_p == 0 */
/* Skip verify of register_read, has predicate */
/* Skip verify of register_write, has predicate */
if ((GDB_MULTI_ARCH >= 2)
&& (gdbarch->num_regs == -1))
internal_error (__FILE__, __LINE__,
@@ -1534,6 +1540,14 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
(long) current_gdbarch->write_sp
/*TARGET_WRITE_SP ()*/);
#endif
if (GDB_MULTI_ARCH)
fprintf_unfiltered (file,
"gdbarch_dump: register_read = 0x%08lx\n",
(long) current_gdbarch->register_read);
if (GDB_MULTI_ARCH)
fprintf_unfiltered (file,
"gdbarch_dump: register_write = 0x%08lx\n",
(long) current_gdbarch->register_write);
#ifdef NUM_REGS
fprintf_unfiltered (file,
"gdbarch_dump: NUM_REGS = %ld\n",
@@ -2451,6 +2465,54 @@ set_gdbarch_write_sp (struct gdbarch *gdbarch,
gdbarch->write_sp = write_sp;
}
int
gdbarch_register_read_p (struct gdbarch *gdbarch)
{
return gdbarch->register_read != 0;
}
void
gdbarch_register_read (struct gdbarch *gdbarch, int regnum, char *buf)
{
if (gdbarch->register_read == 0)
internal_error (__FILE__, __LINE__,
"gdbarch: gdbarch_register_read invalid");
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_register_read called\n");
gdbarch->register_read (gdbarch, regnum, buf);
}
void
set_gdbarch_register_read (struct gdbarch *gdbarch,
gdbarch_register_read_ftype register_read)
{
gdbarch->register_read = register_read;
}
int
gdbarch_register_write_p (struct gdbarch *gdbarch)
{
return gdbarch->register_write != 0;
}
void
gdbarch_register_write (struct gdbarch *gdbarch, int regnum, char *buf)
{
if (gdbarch->register_write == 0)
internal_error (__FILE__, __LINE__,
"gdbarch: gdbarch_register_write invalid");
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_register_write called\n");
gdbarch->register_write (gdbarch, regnum, buf);
}
void
set_gdbarch_register_write (struct gdbarch *gdbarch,
gdbarch_register_write_ftype register_write)
{
gdbarch->register_write = register_write;
}
int
gdbarch_num_regs (struct gdbarch *gdbarch)
{