* config/tc-arm.c (FPU_MAVERICK): Define.

	(FPU_ARCH_MAVERICK): Define.
	(arm_float_abi): Define.
	(mfloat_abi_opt): New variable.
	(md_begin): Use them.
	(arm_opts): Add msoft-float and mhard-float.
	(arm_cpus): Use FPU_ARCH_MAVERICK.
	(arm_fpus): Add maverick.
	(arm_float_abis): Add.
	(arm_parse_float_abi): New function.
	(arm_long_options): Add mfloat-abi.
	* doc/as.texinfo: Document -mfloat-abi=.
	* doc/c-arm.text: Ditto. Menution -fpu=maverick.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index e4f154598c8952b0285a008f93edeae00477794b..2ce547e1bcfdb8ea5be67917ed61404acf1ffb2d 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,19 @@
+2003-12-10  Paul Brook  <paul@codesourcery.com>
+
+       * config/tc-arm.c (FPU_MAVERICK): Define.
+       (FPU_ARCH_MAVERICK): Define.
+       (arm_float_abi): Define.
+       (mfloat_abi_opt): New variable.
+       (md_begin): Use them.
+       (arm_opts): Add msoft-float and mhard-float.
+       (arm_cpus): Use FPU_ARCH_MAVERICK.
+       (arm_fpus): Add maverick.
+       (arm_float_abis): Add.
+       (arm_parse_float_abi): New function.
+       (arm_long_options): Add mfloat-abi.
+       * doc/as.texinfo: Document -mfloat-abi=.
+       * doc/c-arm.text: Ditto. Menution -fpu=maverick.
+
 2003-12-09  Paul Brook  <paul@codesourcery.com>
 
        * config/tc-arm.c (do_umaal): Fix typo.

diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index a3436075ab2db15957affa3c5aa0e5660dc371e4..85afdc28d7b6fe79944c1e6ba34e7d4cb1548868 100644 (file)
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -102,6 +102,7 @@
 #define FPU_VFP_EXT_V1xD 0x10000000    /* Base VFP instruction set.  */
 #define FPU_VFP_EXT_V1  0x08000000     /* Double-precision insns.    */
 #define FPU_VFP_EXT_V2  0x04000000     /* ARM10E VFPr1.              */
+#define FPU_MAVERICK    0x02000000     /* Cirrus Maverick.           */
 #define FPU_NONE        0
 
 #define FPU_ARCH_FPE    FPU_FPA_EXT_V1
@@ -112,6 +113,15 @@
 #define FPU_ARCH_VFP_V1   (FPU_ARCH_VFP_V1xD | FPU_VFP_EXT_V1)
 #define FPU_ARCH_VFP_V2          (FPU_ARCH_VFP_V1 | FPU_VFP_EXT_V2)
 
+#define FPU_ARCH_MAVERICK  FPU_MAVERICK
+
+enum arm_float_abi
+{
+  ARM_FLOAT_ABI_HARD,
+  ARM_FLOAT_ABI_SOFTFP,
+  ARM_FLOAT_ABI_SOFT
+};
+
 /* Types of processor to assemble for.  */
 #define ARM_1          ARM_ARCH_V1
 #define ARM_2          ARM_ARCH_V2
@@ -178,6 +188,7 @@ static int mcpu_fpu_opt = -1;
 static int march_cpu_opt = -1;
 static int march_fpu_opt = -1;
 static int mfpu_opt = -1;
+static int mfloat_abi_opt = -1;
 
 /* This array holds the chars that always start a comment.  If the
    pre-processor is disabled, these aren't very useful.  */
@@ -2536,6 +2547,7 @@ static int arm_parse_extension PARAMS ((char *, int *));
 static int arm_parse_cpu PARAMS ((char *));
 static int arm_parse_arch PARAMS ((char *));
 static int arm_parse_fpu PARAMS ((char *));
+static int arm_parse_float_abi PARAMS ((char *));
 #if 0 /* Suppressed - for now.  */
 #if defined OBJ_COFF || defined OBJ_ELF
 static void arm_add_note PARAMS ((const char *, const char *, unsigned int));
@@ -11652,17 +11664,28 @@ md_begin ()
     if (uses_apcs_float)   flags |= F_APCS_FLOAT;
     if (pic_code)          flags |= F_PIC;
     if ((cpu_variant & FPU_ANY) == FPU_NONE
-       || (cpu_variant & FPU_ANY) == FPU_ARCH_VFP) /* VFP layout only.  */
-      flags |= F_SOFT_FLOAT;
+        || (cpu_variant & FPU_ANY) == FPU_ARCH_VFP) /* VFP layout only.  */
+      {
+       flags |= F_SOFT_FLOAT;
+      }
+    switch (mfloat_abi_opt)
+      {
+      case ARM_FLOAT_ABI_SOFT:
+      case ARM_FLOAT_ABI_SOFTFP:
+       flags |= F_SOFT_FLOAT;
+       break;
+
+      case ARM_FLOAT_ABI_HARD:
+       if (flags & F_SOFT_FLOAT)
+         as_bad (_("hard-float conflicts with specified fpu"));
+       break;
+      }
     /* Using VFP conventions (even if soft-float).  */
     if (cpu_variant & FPU_VFP_EXT_NONE) flags |= F_VFP_FLOAT;
 
 #if defined OBJ_ELF
-    if (cpu_variant & ARM_CEXT_MAVERICK)
-      {
-       flags &= ~ F_SOFT_FLOAT;
+    if (cpu_variant & FPU_ARCH_MAVERICK)
        flags |= EF_ARM_MAVERICK_FLOAT;
-      }
 #endif
 
     bfd_set_private_flags (stdoutput, flags);
@@ -13281,7 +13304,7 @@ static struct arm_cpu_option_table arm_cpus[] =
   {"iwmmxt",           ARM_ARCH_IWMMXT, FPU_ARCH_VFP_V2},
   {"i80200",           ARM_ARCH_XSCALE, FPU_ARCH_VFP_V2},
   /* Maverick */
-  {"ep9312",           ARM_ARCH_V4T | ARM_CEXT_MAVERICK, FPU_NONE},
+  {"ep9312",           ARM_ARCH_V4T | ARM_CEXT_MAVERICK, FPU_ARCH_MAVERICK},
   {NULL, 0, 0}
 };
 
@@ -13362,6 +13385,21 @@ static struct arm_fpu_option_table arm_fpus[] =
   {"arm1020t",         FPU_ARCH_VFP_V1},
   {"arm1020e",         FPU_ARCH_VFP_V2},
   {"arm1136jfs",       FPU_ARCH_VFP_V2},
+  {"maverick",         FPU_ARCH_MAVERICK},
+  {NULL, 0}
+};
+
+struct arm_float_abi_option_table
+{
+  char *name;
+  int value;
+};
+
+static struct arm_float_abi_option_table arm_float_abis[] =
+{
+  {"hard",     ARM_FLOAT_ABI_HARD},
+  {"softfp",   ARM_FLOAT_ABI_SOFTFP},
+  {"soft",     ARM_FLOAT_ABI_SOFT},
   {NULL, 0}
 };
 
@@ -13511,6 +13549,23 @@ arm_parse_fpu (str)
   return 0;
 }
 
+static int
+arm_parse_float_abi (str)
+     char * str;
+{
+  struct arm_float_abi_option_table *opt;
+
+  for (opt = arm_float_abis; opt->name != NULL; opt++)
+    if (strcmp (opt->name, str) == 0)
+      {
+       mfloat_abi_opt = opt->value;
+       return 1;
+      }
+
+  as_bad (_("unknown floating point abi `%s'\n"), str);
+  return 0;
+}
+
 struct arm_long_option_table arm_long_opts[] =
 {
   {"mcpu=", N_("<cpu name>\t  assemble for CPU <cpu name>"),
@@ -13519,6 +13574,8 @@ struct arm_long_option_table arm_long_opts[] =
    arm_parse_arch, NULL},
   {"mfpu=", N_("<fpu name>\t  assemble for FPU architecture <fpu name>"),
    arm_parse_fpu, NULL},
+  {"mfloat-abi=", N_("<abi>\t  assemble for floating point ABI <abi>"),
+   arm_parse_float_abi, NULL},
   {NULL, NULL, 0, NULL}
 };
 

diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo
index 2878938d5fe570788f312a4d4342f3f55a4057a9..d137c21c1236a428481aaff07397a8e626ceda9e 100644 (file)
--- a/gas/doc/as.texinfo
+++ b/gas/doc/as.texinfo
@@ -297,7 +297,8 @@ gcc(1), ld(1), and the Info entries for @file{binutils} and @file{ld}.
 @c Don't document the deprecated options
    [@b{-mcpu}=@var{processor}[+@var{extension}@dots{}]]
    [@b{-march}=@var{architecture}[+@var{extension}@dots{}]]
-   [@b{-mfpu}=@var{floating-point-fromat}]
+   [@b{-mfpu}=@var{floating-point-format}]
+   [@b{-mfloat-abi}=@var{abi}]
    [@b{-mthumb}]
    [@b{-EB}|@b{-EL}]
    [@b{-mapcs-32}|@b{-mapcs-26}|@b{-mapcs-float}|
@@ -635,6 +636,8 @@ Specify which ARM processor variant is the target.
 Specify which ARM architecture variant is used by the target.
 @item -mfpu=@var{floating-point-format}
 Select which Floating Point architecture is the target.
+@item -mfloat-abi=@var{abi}
+Select which floating point ABI is in use.
 @item -mthumb
 Enable Thumb only instruction decoding.
 @item -mapcs-32 | -mapcs-26 | -mapcs-float | -mapcs-reentrant | -moabi

diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index 1e010bfb701edccfe197b2003e35ae1f66d4e2b2..766ac331717e61eb9fc6ebaf3add483743ad270b 100644 (file)
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -166,8 +166,9 @@ The following format options are recognized:
 @code{vfpxd},
 @code{arm1020t},
 @code{arm1020e},
+@code{arm1136jfs}
 and
-@code{arm1136jfs}.
+@code{maverick}.
 
 In addition to determining which instructions are assembled, this option
 also affects the way in which the @code{.double} assembler directive behaves
@@ -213,6 +214,16 @@ registers rather than integer registers.
 This indicates that the reentrant variant of the APCS should be used.
 This variant supports position independent code.
 
+@cindex @code{-mfloat-abi=} command line option, ARM
+@item -mfloat-abi=@var{abi}
+This option specifies that the output generated by the assembler should be
+marked as using specified floating point ABI.
+The following values are recognized:
+@code{soft},
+@code{softfp}
+and
+@code{hard}.
+
 @cindex @code{-EB} command line option, ARM
 @item -EB
 This option specifies that the output generated by the assembler should