diff options
author | Paul Brook <paul@codesourcery.com> | 2005-10-08 17:07:19 +0000 |
---|---|---|
committer | Paul Brook <paul@codesourcery.com> | 2005-10-08 17:07:19 +0000 |
commit | ee065d83ee798906655323c4c20065788175d3d6 (patch) | |
tree | fdfb630b278b322edbd89c03697d003a30b394b2 /gas | |
parent | 19590ef7f6590cb0dd72cae7752dc47ec5224182 (diff) | |
download | gdb-ee065d83ee798906655323c4c20065788175d3d6.zip gdb-ee065d83ee798906655323c4c20065788175d3d6.tar.gz gdb-ee065d83ee798906655323c4c20065788175d3d6.tar.bz2 |
2005-10-08 Paul Brook <paul@codesourcery.com>
bfd/
* elf32-arm.c: Move #include "elf/arm.h" after libbfd.h.
(NUM_KNOWN_ATTRIBUTES): Define.
(aeabi_attribute, aeabi_attribute_list): Define.
(elf32_arm_obj_tdata): Add known_eabi_attributes and
other_eabi_attributes.
(uleb128_size, is_default_attr, eabi_attr_size,
elf32_arm_eabi_attr_size, write_uleb128, write_eabi_attribute,
elf32_arm_set_eabi_attr_contents, elf32_arm_bfd_final_link,
elf32_arm_new_eabi_attr, attr_strdup, elf32_arm_add_eabi_attr_int,
elf32_arm_add_eabi_attr_compat, copy_eabi_attributes,
elf32_arm_merge_eabi_attributes): New functions.
(elf32_arm_copy_private_bfd_data): Copy EABI object attributes.
(elf32_arm_fake_sections): Handle .ARM.attributes.
(elf32_arm_parse_attributes): New function.
(elf32_arm_section_from_shdr): Use it.
(bfd_elf32_bfd_final_link): Define.
gas/
* config/tc-arm.c: Don't provide fallback default for CPU_DEFAULT.
(arm_arch_used, thumb_arch_used, selected_cpu, selected_cpu_name):
New variables.
(arm_cpu_option_table): Add canonical_name.
(arm_cpus): Populate canonical_name field.
(s_arm_eabi_attribute, s_arm_arch, s_arm_cpu, s_arm_fpu,
aeabi_set_public_attributes, arm_md_end): New functions.
(md_pseudo_table): Add "cpu", "arch", "fpu" and "eabi_attribute".
(md_assemble): Set thumb_arch_used and arm_arch_used.
(md_begin): Set defaut cpu if CPU_DEFAULT not defined.
* config/tc-arm.h (md_end): Define.
* doc/c-arm.texi: Document .cpu, .arch, .fpu and .eabi_attribute.
gas/testsuite/
* gas/arm/eabi_attr_1.s: New test.
* gas/arm/eabi_attr_1.d: New test.
* gas/arm/arm7t.d: Only disassemble code sections.
* gas/arm/bignum1.d: Ignore Arm object attribute sections.
* gas/arm/mapping.d: Ditto.
* gas/arm/unwind.d: Ditto.
* gas/elf/section0.d: Ditto.
* gas/elf/section1.d: Ditto.
* gas/elf/elf.exp: Set target_machine for Arm EABI based targets.
* gas/elf/section2.e-armeabi: New file.
include/elf/
* arm.h: Add prototypes for BFD object attribute routines.
ld/testsuite/
* ld-arm/arm-rel31.d: Ignore Arm object attribute sections.
* ld-arm/arm-target1-abs.d: Ditto.
* ld-arm/arm-target1-rel.d: Ditto.
* ld-arm/arm-target2-abs.d: Ditto.
* ld-arm/arm-target2-got-rel.d: Ditto.
* ld-arm/arm-target2-rel.d: Ditto.
Diffstat (limited to 'gas')
-rw-r--r-- | gas/ChangeLog | 15 | ||||
-rw-r--r-- | gas/config/tc-arm.c | 500 | ||||
-rw-r--r-- | gas/config/tc-arm.h | 5 | ||||
-rw-r--r-- | gas/doc/c-arm.texi | 21 | ||||
-rw-r--r-- | gas/testsuite/ChangeLog | 13 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/arm7t.d | 2 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/bignum1.d | 2 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/eabi_attr_1.d | 13 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/eabi_attr_1.s | 9 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/mapping.d | 2 | ||||
-rw-r--r-- | gas/testsuite/gas/arm/unwind.d | 2 | ||||
-rw-r--r-- | gas/testsuite/gas/elf/elf.exp | 6 | ||||
-rw-r--r-- | gas/testsuite/gas/elf/section0.d | 2 | ||||
-rw-r--r-- | gas/testsuite/gas/elf/section1.d | 2 |
14 files changed, 509 insertions, 85 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 446cf70..173ff23 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,18 @@ +2005-10-08 Paul Brook <paul@codesourcery.com> + + * config/tc-arm.c: Don't provide fallback default for CPU_DEFAULT. + (arm_arch_used, thumb_arch_used, selected_cpu, selected_cpu_name): + New variables. + (arm_cpu_option_table): Add canonical_name. + (arm_cpus): Populate canonical_name field. + (s_arm_eabi_attribute, s_arm_arch, s_arm_cpu, s_arm_fpu, + aeabi_set_public_attributes, arm_md_end): New functions. + (md_pseudo_table): Add "cpu", "arch", "fpu" and "eabi_attribute". + (md_assemble): Set thumb_arch_used and arm_arch_used. + (md_begin): Set defaut cpu if CPU_DEFAULT not defined. + * config/tc-arm.h (md_end): Define. + * doc/c-arm.texi: Document .cpu, .arch, .fpu and .eabi_attribute. + 2005-10-06 Khem Raj <kraj@mvista.com> NIIBE Yutaka <gniibe@m17n.org> diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c index 926f5d8..ed9632c 100644 --- a/gas/config/tc-arm.c +++ b/gas/config/tc-arm.c @@ -115,8 +115,6 @@ enum arm_float_abi #else #if defined __thumb__ #define CPU_DEFAULT (ARM_ARCH_V5T) -#else -#define CPU_DEFAULT ARM_ANY #endif #endif #endif @@ -142,6 +140,8 @@ enum arm_float_abi #define streq(a, b) (strcmp (a, b) == 0) static unsigned long cpu_variant; +static unsigned long arm_arch_used; +static unsigned long thumb_arch_used; /* Flags stored in private area of BFD structure. */ static int uses_apcs_26 = FALSE; @@ -162,6 +162,11 @@ static int march_cpu_opt = -1; static int march_fpu_opt = -1; static int mfpu_opt = -1; static int mfloat_abi_opt = -1; +/* Record user cpu selection for object attributes. + Zero if no default or user specified CPU. */ +static int selected_cpu = -1; +/* Must be long enough to hold any of the names in arm_cpus. */ +static char selected_cpu_name[16]; #ifdef OBJ_ELF # ifdef EABI_DEFAULT static int meabi_flags = EABI_DEFAULT; @@ -2790,6 +2795,96 @@ s_arm_unwind_raw (int ignored ATTRIBUTE_UNUSED) demand_empty_rest_of_line (); } + + +/* Parse a .eabi_attribute directive. */ + +static void +s_arm_eabi_attribute (int ignored ATTRIBUTE_UNUSED) +{ + expressionS exp; + bfd_boolean is_string; + int tag; + unsigned int i = 0; + char *s = NULL; + char saved_char; + + expression (& exp); + if (exp.X_op != O_constant) + goto bad; + + tag = exp.X_add_number; + if (tag == 4 || tag == 5 || tag == 32 || (tag > 32 && (tag & 1) != 0)) + is_string = 1; + else + is_string = 0; + + if (skip_past_comma (&input_line_pointer) == FAIL) + goto bad; + if (tag == 32 || !is_string) + { + expression (& exp); + if (exp.X_op != O_constant) + { + as_bad (_("expected numeric constant")); + ignore_rest_of_line (); + return; + } + i = exp.X_add_number; + } + if (tag == Tag_compatibility + && skip_past_comma (&input_line_pointer) == FAIL) + { + as_bad (_("expected comma")); + ignore_rest_of_line (); + return; + } + if (is_string) + { + skip_whitespace(input_line_pointer); + if (*input_line_pointer != '"') + goto bad_string; + input_line_pointer++; + s = input_line_pointer; + while (*input_line_pointer && *input_line_pointer != '"') + input_line_pointer++; + if (*input_line_pointer != '"') + goto bad_string; + saved_char = *input_line_pointer; + *input_line_pointer = 0; + } + else + { + s = NULL; + saved_char = 0; + } + + if (tag == Tag_compatibility) + elf32_arm_add_eabi_attr_compat (stdoutput, i, s); + else if (is_string) + elf32_arm_add_eabi_attr_string (stdoutput, tag, s); + else + elf32_arm_add_eabi_attr_int (stdoutput, tag, i); + + if (s) + { + *input_line_pointer = saved_char; + input_line_pointer++; + } + demand_empty_rest_of_line (); + return; +bad_string: + as_bad (_("bad string constant")); + ignore_rest_of_line (); + return; +bad: + as_bad (_("expected <tag> , <value>")); + ignore_rest_of_line (); +} + +static void s_arm_arch (int); +static void s_arm_cpu (int); +static void s_arm_fpu (int); #endif /* OBJ_ELF */ /* This table describes all the machine specific pseudo-ops the assembler @@ -2830,6 +2925,10 @@ const pseudo_typeS md_pseudo_table[] = { "pad", s_arm_unwind_pad, 0 }, { "setfp", s_arm_unwind_setfp, 0 }, { "unwind_raw", s_arm_unwind_raw, 0 }, + { "cpu", s_arm_cpu, 0 }, + { "arch", s_arm_arch, 0 }, + { "fpu", s_arm_fpu, 0 }, + { "eabi_attribute", s_arm_eabi_attribute, 0 }, #else { "word", cons, 4}, #endif @@ -8010,6 +8109,14 @@ md_assemble (char *str) return; } } + thumb_arch_used |= opcode->tvariant; + /* Many Thumb-2 instructions also have Thumb-1 variants, so explicitly + set those bits when Thumb-2 32-bit instuctions are seen. ie. + anything other than bl/blx. + This is overly pessimistic for relaxable instructions. */ + if ((inst.size == 4 && (inst.instruction & 0xf800e800) != 0xf000e800) + || inst.relax) + thumb_arch_used |= ARM_EXT_V6T2; } else { @@ -8034,6 +8141,12 @@ md_assemble (char *str) inst.size = INSN_SIZE; if (!parse_operands (p, opcode->operands)) opcode->aencode (); + /* Arm mode bx is marked as both v4T and v5 because it's still required + on a hypothetical non-thumb v5 core. */ + if (opcode->avariant == (ARM_EXT_V4T | ARM_EXT_V5)) + arm_arch_used |= ARM_EXT_V4T; + else + arm_arch_used |= opcode->avariant; } output_inst (str); } @@ -12279,11 +12392,23 @@ md_begin (void) mfpu_opt = FPU_ARCH_FPA; } +#ifdef CPU_DEFAULT + if (mcpu_cpu_opt == -1) + selected_cpu = mcpu_cpu_opt = CPU_DEFAULT; +#else if (mcpu_cpu_opt == -1) - mcpu_cpu_opt = CPU_DEFAULT; + { + mcpu_cpu_opt = ARM_ANY; + selected_cpu = 0; + } + else + selected_cpu = mcpu_cpu_opt; +#endif cpu_variant = mcpu_cpu_opt | mfpu_opt; + arm_arch_used = thumb_arch_used = 0; + #if defined OBJ_COFF || defined OBJ_ELF { unsigned int flags = 0; @@ -12641,97 +12766,100 @@ struct arm_cpu_option_table /* For some CPUs we assume an FPU unless the user explicitly sets -mfpu=... */ int default_fpu; + /* The canonical name of the CPU, or NULL to use NAME converted to upper + case. */ + const char *canonical_name; }; /* This list should, at a minimum, contain all the cpu names recognized by GCC. */ static struct arm_cpu_option_table arm_cpus[] = { - {"all", ARM_ANY, FPU_ARCH_FPA}, - {"arm1", ARM_ARCH_V1, FPU_ARCH_FPA}, - {"arm2", ARM_ARCH_V2, FPU_ARCH_FPA}, - {"arm250", ARM_ARCH_V2S, FPU_ARCH_FPA}, - {"arm3", ARM_ARCH_V2S, FPU_ARCH_FPA}, - {"arm6", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm60", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm600", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm610", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm620", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm7", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm7m", ARM_ARCH_V3M, FPU_ARCH_FPA}, - {"arm7d", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm7dm", ARM_ARCH_V3M, FPU_ARCH_FPA}, - {"arm7di", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm7dmi", ARM_ARCH_V3M, FPU_ARCH_FPA}, - {"arm70", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm700", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm700i", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm710", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm710t", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm720", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm720t", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm740t", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm710c", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm7100", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm7500", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm7500fe", ARM_ARCH_V3, FPU_ARCH_FPA}, - {"arm7t", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm7tdmi", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm7tdmi-s", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm8", ARM_ARCH_V4, FPU_ARCH_FPA}, - {"arm810", ARM_ARCH_V4, FPU_ARCH_FPA}, - {"strongarm", ARM_ARCH_V4, FPU_ARCH_FPA}, - {"strongarm1", ARM_ARCH_V4, FPU_ARCH_FPA}, - {"strongarm110", ARM_ARCH_V4, FPU_ARCH_FPA}, - {"strongarm1100", ARM_ARCH_V4, FPU_ARCH_FPA}, - {"strongarm1110", ARM_ARCH_V4, FPU_ARCH_FPA}, - {"arm9", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm920", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm920t", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm922t", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm940t", ARM_ARCH_V4T, FPU_ARCH_FPA}, - {"arm9tdmi", ARM_ARCH_V4T, FPU_ARCH_FPA}, + {"all", ARM_ANY, FPU_ARCH_FPA, NULL}, + {"arm1", ARM_ARCH_V1, FPU_ARCH_FPA, NULL}, + {"arm2", ARM_ARCH_V2, FPU_ARCH_FPA, NULL}, + {"arm250", ARM_ARCH_V2S, FPU_ARCH_FPA, NULL}, + {"arm3", ARM_ARCH_V2S, FPU_ARCH_FPA, NULL}, + {"arm6", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm60", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm600", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm610", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm620", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm7", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm7m", ARM_ARCH_V3M, FPU_ARCH_FPA, NULL}, + {"arm7d", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm7dm", ARM_ARCH_V3M, FPU_ARCH_FPA, NULL}, + {"arm7di", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm7dmi", ARM_ARCH_V3M, FPU_ARCH_FPA, NULL}, + {"arm70", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm700", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm700i", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm710", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm710t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, + {"arm720", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm720t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, + {"arm740t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, + {"arm710c", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm7100", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm7500", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm7500fe", ARM_ARCH_V3, FPU_ARCH_FPA, NULL}, + {"arm7t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, + {"arm7tdmi", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, + {"arm7tdmi-s", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, + {"arm8", ARM_ARCH_V4, FPU_ARCH_FPA, NULL}, + {"arm810", ARM_ARCH_V4, FPU_ARCH_FPA, NULL}, + {"strongarm", ARM_ARCH_V4, FPU_ARCH_FPA, NULL}, + {"strongarm1", ARM_ARCH_V4, FPU_ARCH_FPA, NULL}, + {"strongarm110", ARM_ARCH_V4, FPU_ARCH_FPA, NULL}, + {"strongarm1100", ARM_ARCH_V4, FPU_ARCH_FPA, NULL}, + {"strongarm1110", ARM_ARCH_V4, FPU_ARCH_FPA, NULL}, + {"arm9", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, + {"arm920", ARM_ARCH_V4T, FPU_ARCH_FPA, "ARM920T"}, + {"arm920t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, + {"arm922t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, + {"arm940t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, + {"arm9tdmi", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL}, /* For V5 or later processors we default to using VFP; but the user should really set the FPU type explicitly. */ - {"arm9e-r0", ARM_ARCH_V5TExP, FPU_ARCH_VFP_V2}, - {"arm9e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2}, - {"arm926ej", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2}, - {"arm926ejs", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2}, - {"arm926ej-s", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2}, - {"arm946e-r0", ARM_ARCH_V5TExP, FPU_ARCH_VFP_V2}, - {"arm946e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2}, - {"arm946e-s", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2}, - {"arm966e-r0", ARM_ARCH_V5TExP, FPU_ARCH_VFP_V2}, - {"arm966e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2}, - {"arm966e-s", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2}, - {"arm968e-s", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2}, - {"arm10t", ARM_ARCH_V5T, FPU_ARCH_VFP_V1}, - {"arm10tdmi", ARM_ARCH_V5T, FPU_ARCH_VFP_V1}, - {"arm10e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2}, - {"arm1020", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2}, - {"arm1020t", ARM_ARCH_V5T, FPU_ARCH_VFP_V1}, - {"arm1020e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2}, - {"arm1022e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2}, - {"arm1026ejs", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2}, - {"arm1026ej-s", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2}, - {"arm1136js", ARM_ARCH_V6, FPU_NONE}, - {"arm1136j-s", ARM_ARCH_V6, FPU_NONE}, - {"arm1136jfs", ARM_ARCH_V6, FPU_ARCH_VFP_V2}, - {"arm1136jf-s", ARM_ARCH_V6, FPU_ARCH_VFP_V2}, - {"mpcore", ARM_ARCH_V6K, FPU_ARCH_VFP_V2}, - {"mpcorenovfp", ARM_ARCH_V6K, FPU_NONE}, - {"arm1156t2-s", ARM_ARCH_V6T2, FPU_NONE}, - {"arm1156t2f-s", ARM_ARCH_V6T2, FPU_ARCH_VFP_V2}, - {"arm1176jz-s", ARM_ARCH_V6ZK, FPU_NONE}, - {"arm1176jzf-s", ARM_ARCH_V6ZK, FPU_ARCH_VFP_V2}, + {"arm9e-r0", ARM_ARCH_V5TExP, FPU_ARCH_VFP_V2, NULL}, + {"arm9e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL}, + {"arm926ej", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2, "ARM926EJ-S"}, + {"arm926ejs", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2, "ARM926EJ-S"}, + {"arm926ej-s", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2, NULL}, + {"arm946e-r0", ARM_ARCH_V5TExP, FPU_ARCH_VFP_V2, NULL}, + {"arm946e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, "ARM946E-S"}, + {"arm946e-s", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL}, + {"arm966e-r0", ARM_ARCH_V5TExP, FPU_ARCH_VFP_V2, NULL}, + {"arm966e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, "ARM966E-S"}, + {"arm966e-s", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL}, + {"arm968e-s", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL}, + {"arm10t", ARM_ARCH_V5T, FPU_ARCH_VFP_V1, NULL}, + {"arm10tdmi", ARM_ARCH_V5T, FPU_ARCH_VFP_V1, NULL}, + {"arm10e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL}, + {"arm1020", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, "ARM1020E"}, + {"arm1020t", ARM_ARCH_V5T, FPU_ARCH_VFP_V1, NULL}, + {"arm1020e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL}, + {"arm1022e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL}, + {"arm1026ejs", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2, "ARM1026EJ-S"}, + {"arm1026ej-s", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2, NULL}, + {"arm1136js", ARM_ARCH_V6, FPU_NONE, "ARM1136J-S"}, + {"arm1136j-s", ARM_ARCH_V6, FPU_NONE, NULL}, + {"arm1136jfs", ARM_ARCH_V6, FPU_ARCH_VFP_V2, "ARM1136JF-S"}, + {"arm1136jf-s", ARM_ARCH_V6, FPU_ARCH_VFP_V2, NULL}, + {"mpcore", ARM_ARCH_V6K, FPU_ARCH_VFP_V2, NULL}, + {"mpcorenovfp", ARM_ARCH_V6K, FPU_NONE, NULL}, + {"arm1156t2-s", ARM_ARCH_V6T2, FPU_NONE, NULL}, + {"arm1156t2f-s", ARM_ARCH_V6T2, FPU_ARCH_VFP_V2, NULL}, + {"arm1176jz-s", ARM_ARCH_V6ZK, FPU_NONE, NULL}, + {"arm1176jzf-s", ARM_ARCH_V6ZK, FPU_ARCH_VFP_V2, NULL}, /* ??? XSCALE is really an architecture. */ - {"xscale", ARM_ARCH_XSCALE, FPU_ARCH_VFP_V2}, + {"xscale", ARM_ARCH_XSCALE, FPU_ARCH_VFP_V2, NULL}, /* ??? iwmmxt is not a processor. */ - {"iwmmxt", ARM_ARCH_IWMMXT, FPU_ARCH_VFP_V2}, - {"i80200", ARM_ARCH_XSCALE, FPU_ARCH_VFP_V2}, + {"iwmmxt", ARM_ARCH_IWMMXT, FPU_ARCH_VFP_V2, NULL}, + {"i80200", ARM_ARCH_XSCALE, FPU_ARCH_VFP_V2, NULL}, /* Maverick */ - {"ep9312", ARM_ARCH_V4T | ARM_CEXT_MAVERICK, FPU_ARCH_MAVERICK}, - {NULL, 0, 0} + {"ep9312", ARM_ARCH_V4T | ARM_CEXT_MAVERICK, FPU_ARCH_MAVERICK, "ARM920T"}, + {NULL, 0, 0, NULL} }; struct arm_arch_option_table @@ -12915,6 +13043,15 @@ arm_parse_cpu (char * str) { mcpu_cpu_opt = opt->value; mcpu_fpu_opt = opt->default_fpu; + if (opt->canonical_name) + strcpy(selected_cpu_name, opt->canonical_name); + else + { + int i; + for (i = 0; i < optlen; i++) + selected_cpu_name[i] = TOUPPER (opt->name[i]); + selected_cpu_name[i] = 0; + } if (ext != NULL) return arm_parse_extension (ext, &mcpu_cpu_opt); @@ -12944,12 +13081,12 @@ arm_parse_arch (char * str) return 0; } - for (opt = arm_archs; opt->name != NULL; opt++) if (streq (opt->name, str)) { march_cpu_opt = opt->value; march_fpu_opt = opt->default_fpu; + strcpy(selected_cpu_name, opt->name); if (ext != NULL) return arm_parse_extension (ext, &march_cpu_opt); @@ -13125,3 +13262,198 @@ md_show_usage (FILE * fp) -EL assemble code for a little-endian cpu\n")); #endif } + + +#ifdef OBJ_ELF +/* Set the public EABI object attributes. */ +static void +aeabi_set_public_attributes (void) +{ + int arch; + int flags; + + /* Choose the architecture based on the capabilities of the requested cpu + (if any) and/or the instructions actually used. */ + flags = mcpu_cpu_opt | arm_arch_used | thumb_arch_used; + if (flags & ARM_EXT_V6T2) + arch = 8; + else if (flags & ARM_EXT_V6Z) + arch = 7; + else if (flags & ARM_EXT_V6K) + arch = 9; + else if (flags & ARM_EXT_V6) + arch = 6; + else if (flags & ARM_EXT_V5E) + arch = 4; + else if (flags & (ARM_EXT_V5 | ARM_EXT_V5T)) + arch = 3; + else if (flags & ARM_EXT_V4T) + arch = 2; + else if (flags & ARM_EXT_V4) + arch = 1; + else + arch = 0; + + /* Tag_CPU_name. */ + if (selected_cpu_name[0]) + { + char *p; + + p = selected_cpu_name; + if (strncmp(p, "armv", 4) == 0) + { + int i; + + p += 4; + for (i = 0; p[i]; i++) + p[i] = TOUPPER (p[i]); + } + elf32_arm_add_eabi_attr_string (stdoutput, 5, p); + } + /* Tag_CPU_arch. */ + elf32_arm_add_eabi_attr_int (stdoutput, 6, arch); + /* Tag_ARM_ISA_use. */ + if (arm_arch_used) + elf32_arm_add_eabi_attr_int (stdoutput, 8, 1); + /* Tag_THUMB_ISA_use. */ + if (thumb_arch_used) + elf32_arm_add_eabi_attr_int (stdoutput, 9, + (thumb_arch_used & ARM_EXT_V6T2) ? 2 : 1); + /* Tag_VFP_arch. */ + if ((arm_arch_used | thumb_arch_used) & FPU_ARCH_VFP_V2) + elf32_arm_add_eabi_attr_int (stdoutput, 10, 2); + else if ((arm_arch_used | thumb_arch_used) & FPU_ARCH_VFP_V1) + elf32_arm_add_eabi_attr_int (stdoutput, 10, 1); + /* Tag_WMMX_arch. */ + if ((arm_arch_used | thumb_arch_used) & ARM_CEXT_IWMMXT) + elf32_arm_add_eabi_attr_int (stdoutput, 11, 1); +} + +/* Add the .ARM.attributes section. */ +void +arm_md_end (void) +{ + segT s; + char *p; + addressT addr; + offsetT size; + + if (EF_ARM_EABI_VERSION (meabi_flags) < EF_ARM_EABI_VER4) + return; + + aeabi_set_public_attributes (); + size = elf32_arm_eabi_attr_size (stdoutput); + s = subseg_new (".ARM.attributes", 0); + bfd_set_section_flags (stdoutput, s, SEC_READONLY | SEC_DATA); + addr = frag_now_fix (); + p = frag_more (size); + elf32_arm_set_eabi_attr_contents (stdoutput, (bfd_byte *)p, size); +} + + +/* Parse a .cpu directive. */ + +static void +s_arm_cpu (int ignored ATTRIBUTE_UNUSED) +{ + struct arm_cpu_option_table *opt; + char *name; + char saved_char; + + name = input_line_pointer; + while (*input_line_pointer && !ISSPACE(*input_line_pointer)) + input_line_pointer++; + saved_char = *input_line_pointer; + *input_line_pointer = 0; + + /* Skip the first "all" entry. */ + for (opt = arm_cpus + 1; opt->name != NULL; opt++) + if (streq (opt->name, name)) + { + mcpu_cpu_opt = opt->value; + selected_cpu = mcpu_cpu_opt; + if (opt->canonical_name) + strcpy(selected_cpu_name, opt->canonical_name); + else + { + int i; + for (i = 0; opt->name[i]; i++) + selected_cpu_name[i] = TOUPPER (opt->name[i]); + selected_cpu_name[i] = 0; + } + cpu_variant = mcpu_cpu_opt | mfpu_opt; + *input_line_pointer = saved_char; + demand_empty_rest_of_line (); + return; + } + as_bad (_("unknown cpu `%s'"), name); + *input_line_pointer = saved_char; + ignore_rest_of_line (); +} + + +/* Parse a .arch directive. */ + +static void +s_arm_arch (int ignored ATTRIBUTE_UNUSED) +{ + struct arm_arch_option_table *opt; + char saved_char; + char *name; + + name = input_line_pointer; + while (*input_line_pointer && !ISSPACE(*input_line_pointer)) + input_line_pointer++; + saved_char = *input_line_pointer; + *input_line_pointer = 0; + + /* Skip the first "all" entry. */ + for (opt = arm_archs + 1; opt->name != NULL; opt++) + if (streq (opt->name, name)) + { + mcpu_cpu_opt = opt->value; + selected_cpu = mcpu_cpu_opt; + strcpy(selected_cpu_name, opt->name); + cpu_variant = mcpu_cpu_opt | mfpu_opt; + *input_line_pointer = saved_char; + demand_empty_rest_of_line (); + return; + } + + as_bad (_("unknown architecture `%s'\n"), name); + *input_line_pointer = saved_char; + ignore_rest_of_line (); +} + + +/* Parse a .fpu directive. */ + +static void +s_arm_fpu (int ignored ATTRIBUTE_UNUSED) +{ + struct arm_option_value_table *opt; + char saved_char; + char *name; + + name = input_line_pointer; + while (*input_line_pointer && !ISSPACE(*input_line_pointer)) + input_line_pointer++; + saved_char = *input_line_pointer; + *input_line_pointer = 0; + + for (opt = arm_fpus; opt->name != NULL; opt++) + if (streq (opt->name, name)) + { + mfpu_opt = opt->value; + cpu_variant = mcpu_cpu_opt | mfpu_opt; + *input_line_pointer = saved_char; + demand_empty_rest_of_line (); + return; + } + + as_bad (_("unknown floating point format `%s'\n"), name); + *input_line_pointer = saved_char; + ignore_rest_of_line (); +} +#endif /* OBJ_ELF */ + diff --git a/gas/config/tc-arm.h b/gas/config/tc-arm.h index c2ae6d6..3b33324 100644 --- a/gas/config/tc-arm.h +++ b/gas/config/tc-arm.h @@ -92,6 +92,11 @@ extern int arm_relax_frag (asection *, struct frag *, long); /* We also need to mark assembler created symbols: */ #define tc_frob_fake_label(S) arm_frob_label (S) +#ifdef OBJ_ELF +#define md_end arm_md_end +extern void arm_md_end (void); +#endif + /* NOTE: The fake label creation in stabs.c:s_stab_generic() has deliberately not been updated to mark assembler created stabs symbols as Thumb. */ diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi index 97ab9be..6a6ceb6 100644 --- a/gas/doc/c-arm.texi +++ b/gas/doc/c-arm.texi @@ -505,6 +505,27 @@ the stack pointer by @var{offset} bytes. For example @code{.unwind_raw 4, 0xb1, 0x01} is equivalent to @code{.save @{r0@}} +@cindex @code{.cpu} directive, ARM +@item .cpu @var{name} +Select the target processor. Valid values for @var{name} are the same as +for the @option{-mcpu} commandline option. + +@cindex @code{.arch} directive, ARM +@item .arch @var{name} +Select the target architecture. Valid values for @var{name} are the same as +for the @option{-march} commandline option. + +@cindex @code{.fpu} directive, ARM +@item .fpu @var{name} +Select the floating point unit to assemble for. Valid values for @var{name} +are the same as for the @option{-mfpu} commandline option. + +@cindex @code{.eabi_attribute} directive, ARM +@item .eabi_attribute @var{tag}, @var{value} +Set the EABI object attribute number @var{tag} to @var{value}. The value +is either a @code{number}, @code{"string"}, or @code{number, "string"} +depending on the tag. + @end table @node ARM Opcodes diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index fa3cd2a..6896141 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,3 +1,16 @@ +2005-10-08 Paul Brook <paul@codesourcery.com> + + * gas/arm/eabi_attr_1.s: New test. + * gas/arm/eabi_attr_1.d: New test. + * gas/arm/arm7t.d: Only disassemble code sections. + * gas/arm/bignum1.d: Ignore Arm object attribute sections. + * gas/arm/mapping.d: Ditto. + * gas/arm/unwind.d: Ditto. + * gas/elf/section0.d: Ditto. + * gas/elf/section1.d: Ditto. + * gas/elf/elf.exp: Set target_machine for Arm EABI based targets. + * gas/elf/section2.e-armeabi: New file. + 2005-10-06 Khem Raj <kraj@mvista.com> NIIBE Yutaka <gniibe@m17n.org> diff --git a/gas/testsuite/gas/arm/arm7t.d b/gas/testsuite/gas/arm/arm7t.d index 768ce13..17e4e9d 100644 --- a/gas/testsuite/gas/arm/arm7t.d +++ b/gas/testsuite/gas/arm/arm7t.d @@ -1,4 +1,4 @@ -#objdump: -Dr --prefix-addresses --show-raw-insn +#objdump: -dr --prefix-addresses --show-raw-insn #name: ARM arm7t #as: -mcpu=arm7t -EL diff --git a/gas/testsuite/gas/arm/bignum1.d b/gas/testsuite/gas/arm/bignum1.d index e75c1fb..cef2036 100644 --- a/gas/testsuite/gas/arm/bignum1.d +++ b/gas/testsuite/gas/arm/bignum1.d @@ -8,3 +8,5 @@ Contents of section .data: 0000 [08]0000000 000000[08]0 11111111 11111111 \.\.\.\.\.\.\.\.\.\.\.\.\.\.\.\. +# Ignore .ARM.attributes section +#... diff --git a/gas/testsuite/gas/arm/eabi_attr_1.d b/gas/testsuite/gas/arm/eabi_attr_1.d new file mode 100644 index 0000000..0e97add --- /dev/null +++ b/gas/testsuite/gas/arm/eabi_attr_1.d @@ -0,0 +1,13 @@ +# as: -meabi=4 +# readelf: -A +# This test is only valid on ELF based ports. +#not-target: *-*-*coff *-*-pe *-*-wince *-*-*aout* *-*-netbsd *-*-riscix* +Attribute Section: aeabi +File Attributes + Tag_CPU_name: "ARM1136JF-S" + Tag_CPU_arch: v6 + Tag_ARM_ISA_use: Yes + Tag_ABI_VFP_args: VFP registers + Tag_compatibility: flag = 3, vendor = GNU + Tag_unknown_128: 1234 \(0x4d2\) + Tag_unknown_129: "bar" diff --git a/gas/testsuite/gas/arm/eabi_attr_1.s b/gas/testsuite/gas/arm/eabi_attr_1.s new file mode 100644 index 0000000..3375acd --- /dev/null +++ b/gas/testsuite/gas/arm/eabi_attr_1.s @@ -0,0 +1,9 @@ +.text +.cpu arm1136jf-s +foo: +bx lr +.eabi_attribute 32, 3, "GNU" +.eabi_attribute 28, 1 +.eabi_attribute 128, 1234 +.eabi_attribute 129, "bar" + diff --git a/gas/testsuite/gas/arm/mapping.d b/gas/testsuite/gas/arm/mapping.d index 7d05107..e6db1a9 100644 --- a/gas/testsuite/gas/arm/mapping.d +++ b/gas/testsuite/gas/arm/mapping.d @@ -16,5 +16,7 @@ SYMBOL TABLE: 0+00 l .data 0+0 \$d 0+00 l d foo 0+0 (|foo) 0+00 l foo 0+0 \$t +#Maybe section symbol for .ARM.attributes +#... 0+00 g .text 0+0 mapping 0+08 g F .text 0+0 thumb_mapping diff --git a/gas/testsuite/gas/arm/unwind.d b/gas/testsuite/gas/arm/unwind.d index 2a04d44..b42bf73 100644 --- a/gas/testsuite/gas/arm/unwind.d +++ b/gas/testsuite/gas/arm/unwind.d @@ -37,3 +37,5 @@ Contents of section .ARM.exidx: 0000 00000000 (b0b0a880 04000000|80a8b0b0 00000004) 00000000 .* 0010 (08000000 0c000000 0c000000 1c000000|00000008 0000000c 0000000c 0000001c) .* 0020 (10000000 08849780|00000010 80978408) .* +# Ignore .ARM.attributes section +#... diff --git a/gas/testsuite/gas/elf/elf.exp b/gas/testsuite/gas/elf/elf.exp index 89dffe8..4068253 100644 --- a/gas/testsuite/gas/elf/elf.exp +++ b/gas/testsuite/gas/elf/elf.exp @@ -50,6 +50,12 @@ if { ([istarget "*-*-*elf*"] if {[istarget m32r*-*-*]} then { set target_machine -m32r } + if { ([istarget "*arm*-*-*"] + || [istarget "xscale*-*-*"]) + && ([istarget "*-*-*eabi"] + || [istarget "*-*-symbianelf"])} then { + set target_machine -armeabi + } run_dump_test "ehopt0" run_dump_test "group0a" run_dump_test "group0b" diff --git a/gas/testsuite/gas/elf/section0.d b/gas/testsuite/gas/elf/section0.d index 286327c..6978d0a 100644 --- a/gas/testsuite/gas/elf/section0.d +++ b/gas/testsuite/gas/elf/section0.d @@ -13,3 +13,5 @@ Contents of section B: 0+000 02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02.* Contents of section C: 0+000 03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03.* +# Arm includes a .ARM.attributes section here +#... diff --git a/gas/testsuite/gas/elf/section1.d b/gas/testsuite/gas/elf/section1.d index 4084752..c6b7fd4 100644 --- a/gas/testsuite/gas/elf/section1.d +++ b/gas/testsuite/gas/elf/section1.d @@ -13,3 +13,5 @@ Contents of section B: 0+000 02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02 ?02.* Contents of section C: 0+000 03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03 ?03.* +# Arm includes a .ARM.attributes section here +#... |