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Re-do TARGET_PRINT_INSN_INFO, TARGET_PRINT_INSN, TARGET_ARCHITECTURE,
TARGET_ARCHITECTURE_AUTO, TARGET_BYTE_ORDER_SELECTABLE_P,
TARGET_BYTE_ORDER so that they can all be overriden.

Document.

Convert mn10300 and PPC targets.
This commit is contained in:
Andrew Cagney
1998-12-13 23:28:46 +00:00
parent f14397f057
commit aaa3c096db
12 changed files with 203 additions and 175 deletions
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115
gdb/top.c
View File

@@ -3200,14 +3200,22 @@ dont_repeat_command (ignored, from_tty)
/* Functions to manipulate the endianness of the target. */
#ifdef TARGET_BYTE_ORDER_SELECTABLE
/* compat - Catch old targets that expect a selectable byte-order to
default to BIG_ENDIAN */
#ifndef TARGET_BYTE_ORDER_DEFAULT
#define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN
#endif
#endif
#ifndef TARGET_BYTE_ORDER_DEFAULT
/* compat - Catch old non byte-order selectable targets that do not
define TARGET_BYTE_ORDER_DEFAULT and instead expect
TARGET_BYTE_ORDER to be used as the default. For targets that
defined neither TARGET_BYTE_ORDER nor TARGET_BYTE_ORDER_DEFAULT the
below will get a strange compiler warning. */
#define TARGET_BYTE_ORDER_DEFAULT TARGET_BYTE_ORDER
#endif
int target_byte_order = TARGET_BYTE_ORDER_DEFAULT;
int target_byte_order_auto = 1;
#else
static int target_byte_order_auto = 0;
#endif
/* Called if the user enters ``set endian'' without an argument. */
static void
@@ -3225,13 +3233,16 @@ set_endian_big (args, from_tty)
char *args;
int from_tty;
{
#ifdef TARGET_BYTE_ORDER_SELECTABLE
target_byte_order = BIG_ENDIAN;
target_byte_order_auto = 0;
#else
printf_unfiltered ("Byte order is not selectable.");
show_endian (args, from_tty);
#endif
if (TARGET_BYTE_ORDER_SELECTABLE_P)
{
target_byte_order = BIG_ENDIAN;
target_byte_order_auto = 0;
}
else
{
printf_unfiltered ("Byte order is not selectable.");
show_endian (args, from_tty);
}
}
/* Called by ``set endian little''. */
@@ -3240,13 +3251,16 @@ set_endian_little (args, from_tty)
char *args;
int from_tty;
{
#ifdef TARGET_BYTE_ORDER_SELECTABLE
target_byte_order = LITTLE_ENDIAN;
target_byte_order_auto = 0;
#else
printf_unfiltered ("Byte order is not selectable.");
show_endian (args, from_tty);
#endif
if (TARGET_BYTE_ORDER_SELECTABLE_P)
{
target_byte_order = LITTLE_ENDIAN;
target_byte_order_auto = 0;
}
else
{
printf_unfiltered ("Byte order is not selectable.");
show_endian (args, from_tty);
}
}
/* Called by ``set endian auto''. */
@@ -3255,12 +3269,15 @@ set_endian_auto (args, from_tty)
char *args;
int from_tty;
{
#ifdef TARGET_BYTE_ORDER_SELECTABLE
target_byte_order_auto = 1;
#else
printf_unfiltered ("Byte order is not selectable.");
show_endian (args, from_tty);
#endif
if (TARGET_BYTE_ORDER_SELECTABLE_P)
{
target_byte_order_auto = 1;
}
else
{
printf_unfiltered ("Byte order is not selectable.");
show_endian (args, from_tty);
}
}
/* Called by ``show endian''. */
@@ -3269,11 +3286,11 @@ show_endian (args, from_tty)
char *args;
int from_tty;
{
const char *msg =
(target_byte_order_auto
char *msg =
(TARGET_BYTE_ORDER_AUTO
? "The target endianness is set automatically (currently %s endian)\n"
: "The target is assumed to be %s endian\n");
printf_unfiltered ((char *) msg, TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little");
printf_unfiltered (msg, (TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little"));
}
/* Set the endianness from a BFD. */
@@ -3281,30 +3298,30 @@ void
set_endian_from_file (abfd)
bfd *abfd;
{
#ifdef TARGET_BYTE_ORDER_SELECTABLE
int want;
if (bfd_big_endian (abfd))
want = BIG_ENDIAN;
if (TARGET_BYTE_ORDER_SELECTABLE_P)
{
int want;
if (bfd_big_endian (abfd))
want = BIG_ENDIAN;
else
want = LITTLE_ENDIAN;
if (TARGET_BYTE_ORDER_AUTO)
target_byte_order = want;
else if (TARGET_BYTE_ORDER != want)
warning ("%s endian file does not match %s endian target.",
want == BIG_ENDIAN ? "big" : "little",
TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little");
}
else
want = LITTLE_ENDIAN;
if (target_byte_order_auto)
target_byte_order = want;
else if (target_byte_order != want)
warning ("%s endian file does not match %s endian target.",
want == BIG_ENDIAN ? "big" : "little",
TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little");
#else /* ! defined (TARGET_BYTE_ORDER_SELECTABLE) */
if (bfd_big_endian (abfd)
? TARGET_BYTE_ORDER != BIG_ENDIAN
: TARGET_BYTE_ORDER == BIG_ENDIAN)
warning ("%s endian file does not match %s endian target.",
bfd_big_endian (abfd) ? "big" : "little",
TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little");
#endif /* ! defined (TARGET_BYTE_ORDER_SELECTABLE) */
{
if (bfd_big_endian (abfd)
? TARGET_BYTE_ORDER != BIG_ENDIAN
: TARGET_BYTE_ORDER == BIG_ENDIAN)
warning ("%s endian file does not match %s endian target.",
bfd_big_endian (abfd) ? "big" : "little",
TARGET_BYTE_ORDER == BIG_ENDIAN ? "big" : "little");
}
}
/* Functions to manipulate the architecture of the target */