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-rw-r--r--gas/ChangeLog15
-rw-r--r--gas/config/tc-tic6x.c20
-rw-r--r--gas/doc/as.texinfo11
-rw-r--r--gas/doc/c-tic6x.texi19
-rw-r--r--gas/testsuite/ChangeLog10
-rw-r--r--gas/testsuite/gas/tic6x/attr-dsbt-directive-1.d9
-rw-r--r--gas/testsuite/gas/tic6x/attr-dsbt-directive-1.s1
-rw-r--r--gas/testsuite/gas/tic6x/attr-dsbt-directive-2.d9
-rw-r--r--gas/testsuite/gas/tic6x/attr-dsbt-directive-2.s1
-rw-r--r--gas/testsuite/gas/tic6x/attr-dsbt-opts-mdsbt.d9
-rw-r--r--gas/testsuite/gas/tic6x/attr-dsbt-opts-mno-dsbt.d8
11 files changed, 106 insertions, 6 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index c328e88..3e083fe 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,18 @@
+2010-10-29 Bernd Schmidt <bernds@codesourcery.com>
+ Joseph Myers <joseph@codesourcery.com>
+
+ * config/tc-tic6x.c (OPTION_MDSBT, OPTION_MNO_DSBT): New enum
+ values.
+ (md_longopts): Add mdsbt and mno-dsbt.
+ (tic6x_dsbt): New static variable.
+ (md_parse_option): Handle OPTION_MDSBT and OPTION_MNO_DSBT.
+ (md_show_usage): Output help text for -mdsbt and -mno-dsbt.
+ (TAG): Add comma at the end.
+ (tic6x_set_attributes): Set Tag_ABI_DSBT.
+ * doc/as.texinfo: Document -mdsbt and -mno-dsbt.
+ * doc/c-tic6x.texi (TIC6X Options): Likewise.
+ (TIC6X Directives): Mention Tag_ABI_DSBT.
+
2010-10-28 Matthias Klose <doko@ubuntu.com>
* doc/as.texinfo: Add directory section for info document.
diff --git a/gas/config/tc-tic6x.c b/gas/config/tc-tic6x.c
index 832491d..2f51466 100644
--- a/gas/config/tc-tic6x.c
+++ b/gas/config/tc-tic6x.c
@@ -50,6 +50,8 @@ enum
OPTION_MNO_ATOMIC,
OPTION_MBIG_ENDIAN,
OPTION_MLITTLE_ENDIAN,
+ OPTION_MDSBT,
+ OPTION_MNO_DSBT,
OPTION_MGENERATE_REL
};
@@ -60,6 +62,8 @@ struct option md_longopts[] =
{ "mno-atomic", no_argument, NULL, OPTION_MNO_ATOMIC },
{ "mbig-endian", no_argument, NULL, OPTION_MBIG_ENDIAN },
{ "mlittle-endian", no_argument, NULL, OPTION_MLITTLE_ENDIAN },
+ { "mdsbt", no_argument, NULL, OPTION_MDSBT },
+ { "mno-dsbt", no_argument, NULL, OPTION_MNO_DSBT },
{ "mgenerate-rel", no_argument, NULL, OPTION_MGENERATE_REL },
{ NULL, no_argument, NULL, 0 }
};
@@ -113,6 +117,9 @@ static bfd_boolean tic6x_compact_insns;
/* Whether to generate RELA relocations. */
static bfd_boolean tic6x_generate_rela = TRUE;
+/* Whether the code uses DSBT addressing. */
+static bfd_boolean tic6x_dsbt;
+
/* Table of supported architecture variants. */
typedef struct
{
@@ -191,6 +198,14 @@ md_parse_option (int c, char *arg)
target_big_endian = 0;
break;
+ case OPTION_MDSBT:
+ tic6x_dsbt = 1;
+ break;
+
+ case OPTION_MNO_DSBT:
+ tic6x_dsbt = 0;
+ break;
+
case OPTION_MGENERATE_REL:
tic6x_generate_rela = FALSE;
break;
@@ -213,6 +228,8 @@ md_show_usage (FILE *stream ATTRIBUTE_UNUSED)
fprintf (stream, _(" -mno-atomic disable atomic operation instructions\n"));
fprintf (stream, _(" -mbig-endian generate big-endian code\n"));
fprintf (stream, _(" -mlittle-endian generate little-endian code\n"));
+ fprintf (stream, _(" -mdsbt code uses DSBT addressing\n"));
+ fprintf (stream, _(" -mno-dsbt code does not use DSBT addressing\n"));
/* -mgenerate-rel is only for testsuite use and is deliberately
undocumented. */
@@ -341,7 +358,7 @@ typedef struct
static const tic6x_attribute_table tic6x_attributes[] =
{
-#define TAG(tag, value) { #tag, tag }
+#define TAG(tag, value) { #tag, tag },
#include "elf/tic6x-attrs.h"
#undef TAG
};
@@ -3897,6 +3914,7 @@ tic6x_set_attributes (void)
tic6x_arch_attribute = C6XABI_Tag_ISA_C674X;
tic6x_set_attribute_int (Tag_ISA, tic6x_arch_attribute);
+ tic6x_set_attribute_int (Tag_ABI_DSBT, tic6x_dsbt);
}
/* Do machine-dependent manipulations of the frag chains after all
diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo
index 3b78dc6..0c4662b 100644
--- a/gas/doc/as.texinfo
+++ b/gas/doc/as.texinfo
@@ -476,7 +476,7 @@ gcc(1), ld(1), and the Info entries for @file{binutils} and @file{ld}.
@emph{Target TIC6X options:}
[@b{-march=@var{arch}}] [@b{-matomic}|@b{-mno-atomic}]
- [@b{-mbig-endian}|@b{-mlittle-endian}]
+ [@b{-mbig-endian}|@b{-mlittle-endian}] [@b{-mdsbt}|@b{-mno-dsbt}]
@end ifset
@ifset Z80
@@ -1285,6 +1285,15 @@ present. This option overrides such a default from the architecture,
independent of the order in which the @option{-march} or
@option{-matomic} or @option{-mno-atomic} options are passed.
+@item -mdsbt
+@itemx -mno-dsbt
+The @option{-mdsbt} option causes the assembler to generate the
+@code{Tag_ABI_DSBT} attribute with a value of 1, indicating that the
+code is using DSBT addressing. The @option{-mno-dsbt} option, the
+default, causes the tag to have a value of 0, indicating that the code
+does not use DSBT addressing. The linker will emit a warning if
+objects of different type (DSBT and non-DSBT) are linked together.
+
@item -mbig-endian
@itemx -mlittle-endian
Generate code for the specified endianness. The default is
diff --git a/gas/doc/c-tic6x.texi b/gas/doc/c-tic6x.texi
index 7243a98..e729cac 100644
--- a/gas/doc/c-tic6x.texi
+++ b/gas/doc/c-tic6x.texi
@@ -48,6 +48,17 @@ present. This option overrides such a default from the architecture,
independent of the order in which the @option{-march} or
@option{-matomic} or @option{-mno-atomic} options are passed.
+@cindex @code{-mdsbt} command line option, TIC6X
+@cindex @code{-mno-dsbt} command line option, TIC6X
+@item -mdsbt
+@itemx -mno-dsbt
+The @option{-mdsbt} option causes the assembler to generate the
+@code{Tag_ABI_DSBT} attribute with a value of 1, indicating that the
+code is using DSBT addressing. The @option{-mno-dsbt} option, the
+default, causes the tag to have a value of 0, indicating that the code
+does not use DSBT addressing. The linker will emit a warning if
+objects of different type (DSBT and non-DSBT) are linked together.
+
@cindex TIC6X big-endian output
@cindex TIC6X little-endian output
@cindex big-endian output, TIC6X
@@ -113,10 +124,10 @@ These have the same effects as @option{-matomic} and
@item .c6xabi_attribute @var{tag}, @var{value}
Set the C6000 EABI build attribute @var{tag} to @var{value}.
-The @var{tag} is either an attribute number or
-@code{Tag_ISA}. The @var{value} is either a
-@code{number}, @code{"string"}, or @code{number, "string"} depending
-on the tag.
+The @var{tag} is either an attribute number or one of
+@code{Tag_ISA} or @code{Tag_ABI_DSBT}. The
+@var{value} is either a @code{number}, @code{"string"}, or
+@code{number, "string"} depending on the tag.
@cindex @code{.nocmp} directive, TIC6X
@item .nocmp
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 9e12d93..0a51584 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,13 @@
+2010-10-29 Bernd Schmidt <bernds@codesourcery.com>
+ Joseph Myers <joseph@codesourcery.com>
+
+ * gas/tic6x/attr-dsbt-directive-1.d,
+ gas/tic6x/attr-dsbt-directive-1.s,
+ gas/tic6x/attr-dsbt-directive-2.d,
+ gas/tic6x/attr-dsbt-directive-2.s,
+ gas/tic6x/attr-dsbt-opts-mdsbt.d,
+ gas/tic6x/attr-dsbt-opts-mno-dsbt.d: New tests.
+
2010-10-28 Thomas Schwinge <thomas@schwinge.name>
* gas/iq2000/load-hazards.exp: Sort all filename globs.
diff --git a/gas/testsuite/gas/tic6x/attr-dsbt-directive-1.d b/gas/testsuite/gas/tic6x/attr-dsbt-directive-1.d
new file mode 100644
index 0000000..bee901f
--- /dev/null
+++ b/gas/testsuite/gas/tic6x/attr-dsbt-directive-1.d
@@ -0,0 +1,9 @@
+#readelf: -A
+#name: C6X DSBT attribute, directives 1
+#as:
+#source: attr-dsbt-directive-1.s
+
+Attribute Section: c6xabi
+File Attributes
+ Tag_ISA: C674x
+ Tag_ABI_DSBT: DSBT addressing used
diff --git a/gas/testsuite/gas/tic6x/attr-dsbt-directive-1.s b/gas/testsuite/gas/tic6x/attr-dsbt-directive-1.s
new file mode 100644
index 0000000..97d952b
--- /dev/null
+++ b/gas/testsuite/gas/tic6x/attr-dsbt-directive-1.s
@@ -0,0 +1 @@
+ .c6xabi_attribute Tag_ABI_DSBT, 1
diff --git a/gas/testsuite/gas/tic6x/attr-dsbt-directive-2.d b/gas/testsuite/gas/tic6x/attr-dsbt-directive-2.d
new file mode 100644
index 0000000..bee901f
--- /dev/null
+++ b/gas/testsuite/gas/tic6x/attr-dsbt-directive-2.d
@@ -0,0 +1,9 @@
+#readelf: -A
+#name: C6X DSBT attribute, directives 1
+#as:
+#source: attr-dsbt-directive-1.s
+
+Attribute Section: c6xabi
+File Attributes
+ Tag_ISA: C674x
+ Tag_ABI_DSBT: DSBT addressing used
diff --git a/gas/testsuite/gas/tic6x/attr-dsbt-directive-2.s b/gas/testsuite/gas/tic6x/attr-dsbt-directive-2.s
new file mode 100644
index 0000000..3818f12
--- /dev/null
+++ b/gas/testsuite/gas/tic6x/attr-dsbt-directive-2.s
@@ -0,0 +1 @@
+ .c6xabi_attribute 12, 1
diff --git a/gas/testsuite/gas/tic6x/attr-dsbt-opts-mdsbt.d b/gas/testsuite/gas/tic6x/attr-dsbt-opts-mdsbt.d
new file mode 100644
index 0000000..4e66f4a
--- /dev/null
+++ b/gas/testsuite/gas/tic6x/attr-dsbt-opts-mdsbt.d
@@ -0,0 +1,9 @@
+#readelf: -A
+#name: C6X DSBT attribute, -mdsbt
+#as: -mdsbt
+#source: dummy.s
+
+Attribute Section: c6xabi
+File Attributes
+ Tag_ISA: C674x
+ Tag_ABI_DSBT: DSBT addressing used
diff --git a/gas/testsuite/gas/tic6x/attr-dsbt-opts-mno-dsbt.d b/gas/testsuite/gas/tic6x/attr-dsbt-opts-mno-dsbt.d
new file mode 100644
index 0000000..84f4c40
--- /dev/null
+++ b/gas/testsuite/gas/tic6x/attr-dsbt-opts-mno-dsbt.d
@@ -0,0 +1,8 @@
+#readelf: -A
+#name: C6X DSBT attribute, -mno-dsbt
+#as: -mdsbt -mno-dsbt
+#source: dummy.s
+
+Attribute Section: c6xabi
+File Attributes
+ Tag_ISA: C674x
generated by cgit v1.1 at 2024-11-09 20:21:17 +0000