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-rw-r--r--gas/ChangeLog14
-rw-r--r--gas/config/tc-aarch64.c56
-rw-r--r--gas/doc/as.texinfo1
-rw-r--r--gas/doc/c-aarch64.texi6
-rw-r--r--gas/testsuite/ChangeLog4
-rw-r--r--gas/testsuite/gas/aarch64/ilp32-basic.d2
6 files changed, 77 insertions, 6 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 04229f9..d906cc6 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,17 @@
+2013-07-19 Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * config/tc-aarch64.c (enum aarch64_abi_type): New enumeration tag.
+ (AARCH64_ABI_LP64, AARCH64_ABI_ILP32): New enumerators.
+ (aarch64_abi): New variable.
+ (ilp32_p): Change to be a macro.
+ (aarch64_opts): Remove the support for option -milp32 and -mlp64.
+ (struct aarch64_option_abi_value_table): New struct.
+ (aarch64_abis): New table.
+ (aarch64_parse_abi): New function.
+ (aarch64_long_opts): Add entry for -mabi=.
+ * doc/as.texinfo (Target AArch64 options): Document -mabi.
+ * doc/c-aarch64.texi: Likewise.
+
2013-07-18 Jim Thomas <thomas@cfht.hawaii.edu>
* config/tc-i386-intel.c (i386_intel_operand): Fixed signed vs
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 7b21396..14ffdad 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -61,11 +61,21 @@ static const aarch64_feature_set aarch64_arch_none = AARCH64_ARCH_NONE;
/* Pre-defined "_GLOBAL_OFFSET_TABLE_" */
static symbolS *GOT_symbol;
+/* Which ABI to use. */
+enum aarch64_abi_type
+{
+ AARCH64_ABI_LP64 = 0,
+ AARCH64_ABI_ILP32 = 1
+};
+
+/* AArch64 ABI for the output file. */
+static enum aarch64_abi_type aarch64_abi = AARCH64_ABI_LP64;
+
/* When non-zero, program to a 32-bit model, in which the C data types
int, long and all pointer types are 32-bit objects (ILP32); or to a
64-bit model, in which the C int type is 32-bits but the C long type
and all pointer types are 64-bit objects (LP64). */
-static int ilp32_p = 0;
+#define ilp32_p (aarch64_abi == AARCH64_ABI_ILP32)
#endif
enum neon_el_type
@@ -7090,10 +7100,6 @@ static struct aarch64_option_table aarch64_opts[] = {
{"mbig-endian", N_("assemble for big-endian"), &target_big_endian, 1, NULL},
{"mlittle-endian", N_("assemble for little-endian"), &target_big_endian, 0,
NULL},
-#ifdef OBJ_ELF
- {"mlp64", N_("select the LP64 model"), &ilp32_p, 0, NULL},
- {"milp32", N_("select the ILP32 model"), &ilp32_p, 1, NULL},
-#endif /* OBJ_ELF */
#ifdef DEBUG_AARCH64
{"mdebug-dump", N_("temporary switch for dumping"), &debug_dump, 1, NULL},
#endif /* DEBUG_AARCH64 */
@@ -7312,7 +7318,47 @@ aarch64_parse_arch (char *str)
return 0;
}
+/* ABIs. */
+struct aarch64_option_abi_value_table
+{
+ char *name;
+ enum aarch64_abi_type value;
+};
+
+static const struct aarch64_option_abi_value_table aarch64_abis[] = {
+ {"ilp32", AARCH64_ABI_ILP32},
+ {"lp64", AARCH64_ABI_LP64},
+ {NULL, 0}
+};
+
+static int
+aarch64_parse_abi (char *str)
+{
+ const struct aarch64_option_abi_value_table *opt;
+ size_t optlen = strlen (str);
+
+ if (optlen == 0)
+ {
+ as_bad (_("missing abi name `%s'"), str);
+ return 0;
+ }
+
+ for (opt = aarch64_abis; opt->name != NULL; opt++)
+ if (strlen (opt->name) == optlen && strncmp (str, opt->name, optlen) == 0)
+ {
+ aarch64_abi = opt->value;
+ return 1;
+ }
+
+ as_bad (_("unknown abi `%s'\n"), str);
+ return 0;
+}
+
static struct aarch64_long_option_table aarch64_long_opts[] = {
+#ifdef OBJ_ELF
+ {"mabi=", N_("<abi name>\t specify for ABI <abi name>"),
+ aarch64_parse_abi, NULL},
+#endif /* OBJ_ELF */
{"mcpu=", N_("<cpu name>\t assemble for CPU <cpu name>"),
aarch64_parse_cpu, NULL},
{"march=", N_("<arch name>\t assemble for architecture <arch name>"),
diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo
index a2771d7..de6b5b0 100644
--- a/gas/doc/as.texinfo
+++ b/gas/doc/as.texinfo
@@ -248,6 +248,7 @@ gcc(1), ld(1), and the Info entries for @file{binutils} and @file{ld}.
@emph{Target AArch64 options:}
[@b{-EB}|@b{-EL}]
+ [@b{-mabi}=@var{ABI}]
@end ifset
@ifset ALPHA
diff --git a/gas/doc/c-aarch64.texi b/gas/doc/c-aarch64.texi
index 3939fee..6019006 100644
--- a/gas/doc/c-aarch64.texi
+++ b/gas/doc/c-aarch64.texi
@@ -44,6 +44,12 @@ be marked as being encoded for a big-endian processor.
This option specifies that the output generated by the assembler should
be marked as being encoded for a little-endian processor.
+@cindex @code{-mabi=} command line option, AArch64
+@item -mabi=@var{abi}
+Specify which ABI the source code uses. The recognized arguments
+are: @code{ilp32} and @code{lp64}, which decides the generated object
+file in ELF32 and ELF64 format respectively. The default is @code{lp64}.
+
@end table
@c man end
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 45fe092..a4240a2 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2013-07-19 Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * gas/aarch64/ilp32-basic.d (#as): Update to use -mabi=ilp32
+
2013-07-14 Richard Sandiford <rdsandiford@googlemail.com>
* gas/mips/vr5400-ill.s, gas/mips/vr5400-ill.l: Add some more cases.
diff --git a/gas/testsuite/gas/aarch64/ilp32-basic.d b/gas/testsuite/gas/aarch64/ilp32-basic.d
index b876c7a..2e5146a 100644
--- a/gas/testsuite/gas/aarch64/ilp32-basic.d
+++ b/gas/testsuite/gas/aarch64/ilp32-basic.d
@@ -1,4 +1,4 @@
-#as: -milp32
+#as: -mabi=ilp32
#objdump: -dr
.*: file format elf32-.*aarch64