Allows escape codes in names.
(s_comm_internal): Use read_symbol_name.
(s_globl, s_lsym, s_set, s_weakref): Likewise.
* doc/as.texinfo: Document support for multibyte characters in
symbol names.
* gas/elf/syms.s: New test - checks the generation of multibyte
symbol names.
* gas/elf/syms.d: New file - expected readelf output.
* gas/elf/elf.exp: Add syms.
* readelf.c (print_symbol): Display multibyte characters in symbol
names.
(process_section_headers): Use print_symbol.
* ld-ifunc/ifunc-13a-i386.s: Fix use of .global directive.
* ld-ifunc/ifunc-15a-i385.s: Likewise.
2012-03-12 Roland McGrath <mcgrathr@google.com>
* config/tc-arm.c (arm_frag_max_var): New function.
* config/tc-arm.h: Declare it.
(md_frag_max_var): New macro.
* config/tc-i386.c (i386_frag_max_var): New function.
* config/tc-i386.h: Declare it.
(md_frag_max_var): New macro.
* doc/as.texinfo (Bundle directives): New node.
(Pseudo Ops): Add it to the menu.
* NEWS: Mention new feature.
* read.c [md_frag_max_var] (HANDLE_BUNDLE): New macro.
[HANDLE_BUNDLE] (bundle_align_p2): New variable.
[HANDLE_BUNDLE] (bundle_lock_frchain, bundle_lock_frag): New variables.
[HANDLE_BUNDLE] (start_bundle, pending_bundle_size, finish_bundle):
New functions.
(assemble_one): New function if [HANDLE_BUNDLE], #define directly
to md_assembly if not.
(read_a_source_file): Call assemble_one in place of md_assemble.
(read_a_source_file) [HANDLE_BUNDLE]: Check for unterminated
.bundle_lock at end of processing.
[HANDLE_BUNDLE] (s_bundle_align_mode, s_bundle_lock, s_bundle_unlock):
New functions.
[HANDLE_BUNDLE] (potable): Add their entries.
* read.h: Declare new functions.
gas/testsuite/
2012-03-12 Roland McGrath <mcgrathr@google.com>
* gas/i386/bundle-bad.s: New file.
* gas/i386/bundle-bad.d: New file.
* gas/i386/bundle-bad.l: New file.
* gas/i386/i386.exp: Run it.
* gas/arm/bundle.s: New file.
* gas/arm/bundle.d: New file.
* gas/arm/bundle-lock.s: New file.
* gas/arm/bundle-lock.d: New file.
* gas/i386/bundle.s: New file.
* gas/i386/bundle.d: New file.
* gas/i386/x86-64-bundle.s: New file.
* gas/i386/x86-64-bundle.d: New file.
* gas/i386/bundle-lock.s: New file.
* gas/i386/bundle-lock.d: New file.
* gas/i386/i386.exp: Run them.
(dot_symbol_init): New prototype.
* symbols.c (dot_symbol): New variable.
(symbol_clone): Assert it's not dot_symbol being cloned.
(dot_symbol_init): New function.
(symbol_clone_if_forward_ref): Create a new temporary symbol
when trying to clone dot_symbol.
* expr.c (current_location): Refer to dot_symbol instead of
making a new temporary symbol.
* read.c (read_a_source_file): Update dot_symbol as we go.
* as.c (main): Call dot_symbol_init.
gas/
2010-04-21 H.J. Lu <hongjiu.lu@intel.com>
PR gas/11509
* config/tc-i386-intel.c (i386_intel_simplify_register): New.
(i386_intel_simplify): Use i386_is_register and
i386_intel_simplify_register. Set X_md for O_register and
check X_md for O_constant.
(i386_intel_operand): Use i386_is_register.
* config/tc-i386.c (i386_is_register): New.
(x86_cons): Initialize the X_md field. Use i386_is_register.
(parse_register): Use i386_is_register.
(tc_x86_parse_to_dw2regnum): Likewise.
gas/testsuite/
2010-04-21 H.J. Lu <hongjiu.lu@intel.com>
PR gas/11509
* gas/i386/equ.s: Add tests for ".equ symbol, reg + NUM".
* gas/i386/equ.d: Updated.
gas/
* macro.c: Delete unnecessary function declarations.
(buffer_and_nest): Support multiple labels per line for
LABELS_WITHOUT_COLONS targets if the labels do have colons.
(free_macro): Move so that we don't need forward declaration.
* read.c (read_a_source_file): Take a copy of macro expansion line
before we trim labels.
* listing.c (listing_newline): Adjust stdin line save for
input_line_pointer still at start of line.
gas/testsuite/
* gas/macros/dot.s: Don't start macro invocations is first column.
* gas/macros/dot.l: Update.
* gas/macros/macros.exp: Run dot test on more targets.
(read_a_source_file): Pass the beginning of the symbol through
the new argument of TC_START_LABEL.
* config/tc-arm.h (TC_START_LABEL): Add a new argument.
* config/tc-bfin.c (bfin_start_label): Only search '(' and '['
from the beginning of the symbol.
* config/tc-bfin.h (TC_START_LABEL): Add the new argument.
* config/tc-d30v.h (TC_START_LABEL): Likewise.
* config/tc-fr30.h (TC_START_LABEL): Likewise.
* config/tc-m32c.h (TC_START_LABEL): Likewise.
* config/tc-m32r.h (TC_START_LABEL): Likewise.
* config/tc-mep.h (TC_START_LABEL): Likewise.
testsuite/
* gas/bfin/stack2.s: Add pop multiple instruction with a label
on the same line.
* gas/bfin/stack2.d: Adjust accordingly.
PR gas/9966
* listing.c (listing_newline): Properly handle `\\"' and ';'.
* read.c (is_end_of_line): Update comments for line separator.
(read_begin): Set line separator in is_end_of_line to 2.
gas/
* config/tc-arm.c (attributes_set_explicitly): New array.
(s_arm_eabi_attribute): Check return value from s_vendor_attribute.
(cpu_arch): Add ARM_ARCH_V5T.
(aeabi_set_attribute_int): New function.
(aeabi_set_attribute_string): New function.
(aeabi_set_public_attributes): Set attributes according to the user's
intentions, rather than the actual state of the binary.
Use aeabi_set_attribute_int and aeabi_set_attribute_string instead of
bfd_elf_add_proc_attr_int and bfd_elf_add_proc_attr_string.
Support WMMXv2. Use attribute names instead of numbers.
* read.c (s_vendor_attribute): Change return type to int.
Return the tag number that was set.
* read.h (s_vendor_attribute): Change return type to int.
gas/testsuite/
* gas/arm/attr-cpu-directive.d: New file.
* gas/arm/attr-cpu-directive.s: New file.
* gas/arm/attr-default.d: New file.
* gas/arm/attr-march-all.d: New file.
* gas/arm/attr-march-armv1.d: New file.
* gas/arm/attr-march-armv2.d: New file.
* gas/arm/attr-march-armv2a.d: New file.
* gas/arm/attr-march-armv2s.d: New file.
* gas/arm/attr-march-armv3.d: New file.
* gas/arm/attr-march-armv3m.d: New file.
* gas/arm/attr-march-armv4.d: New file.
* gas/arm/attr-march-armv4t.d: New file.
* gas/arm/attr-march-armv4txm.d: New file.
* gas/arm/attr-march-armv4xm.d: New file.
* gas/arm/attr-march-armv5.d: New file.
* gas/arm/attr-march-armv5t.d: New file.
* gas/arm/attr-march-armv5te.d: New file.
* gas/arm/attr-march-armv5tej.d: New file.
* gas/arm/attr-march-armv5texp.d: New file.
* gas/arm/attr-march-armv5txm.d: New file.
* gas/arm/attr-march-armv6-m.d: New file.
* gas/arm/attr-march-armv6.d: New file.
* gas/arm/attr-march-armv6j.d: New file.
* gas/arm/attr-march-armv6k.d: New file.
* gas/arm/attr-march-armv6kt2.d: New file.
* gas/arm/attr-march-armv6t2.d: New file.
* gas/arm/attr-march-armv6z.d: New file.
* gas/arm/attr-march-armv6zk.d: New file.
* gas/arm/attr-march-armv6zkt2.d: New file.
* gas/arm/attr-march-armv6zt2.d: New file.
* gas/arm/attr-march-armv7-a.d: New file.
* gas/arm/attr-march-armv7-m.d: New file.
* gas/arm/attr-march-armv7-r.d: New file.
* gas/arm/attr-march-armv7.d: New file.
* gas/arm/attr-march-armv7a.d: New file.
* gas/arm/attr-march-armv7m.d: New file.
* gas/arm/attr-march-armv7r.d: New file.
* gas/arm/attr-march-iwmmxt.d: New file.
* gas/arm/attr-march-iwmmxt2.d: New file.
* gas/arm/attr-march-xscale.d: New file.
* gas/arm/attr-mcpu.d: New file.
* gas/arm/attr-mfpu-arm1020e.d: New file.
* gas/arm/attr-mfpu-arm1020t.d: New file.
* gas/arm/attr-mfpu-arm1136jf-s.d: New file.
* gas/arm/attr-mfpu-arm1136jfs.d: New file.
* gas/arm/attr-mfpu-arm7500fe.d: New file.
* gas/arm/attr-mfpu-fpa.d: New file.
* gas/arm/attr-mfpu-fpa10.d: New file.
* gas/arm/attr-mfpu-fpa11.d: New file.
* gas/arm/attr-mfpu-fpe.d: New file.
* gas/arm/attr-mfpu-fpe2.d: New file.
* gas/arm/attr-mfpu-fpe3.d: New file.
* gas/arm/attr-mfpu-maverick.d: New file.
* gas/arm/attr-mfpu-neon-fp16.d: New file.
* gas/arm/attr-mfpu-neon.d: New file.
* gas/arm/attr-mfpu-softfpa.d: New file.
* gas/arm/attr-mfpu-softvfp+vfp.d: New file.
* gas/arm/attr-mfpu-softvfp.d: New file.
* gas/arm/attr-mfpu-vfp.d: New file.
* gas/arm/attr-mfpu-vfp10-r0.d: New file.
* gas/arm/attr-mfpu-vfp10.d: New file.
* gas/arm/attr-mfpu-vfp3.d: New file.
* gas/arm/attr-mfpu-vfp9.d: New file.
* gas/arm/attr-mfpu-vfpv2.d: New file.
* gas/arm/attr-mfpu-vfpv3-d16.d: New file.
* gas/arm/attr-mfpu-vfpv3.d: New file.
* gas/arm/attr-mfpu-vfpxd.d: New file.
* gas/arm/attr-order.d: Update Tag_ARM_ISA_use and Tag_THUMB_ISA_use.
* gas/arm/attr-override-cpu-directive.d: New file.
* gas/arm/attr-override-cpu-directive.s: New file.
* gas/arm/attr-override-mcpu.d: New file.
* gas/arm/attr-override-mcpu.s: New file.
* gas/arm/blank.s: New file.
* gas/arm/eabi_attr_1.d: Update Tag_ARM_ISA_use and Tag_THUMB_ISA_use.
ld/testsuite/
* ld-arm/attr-merge-3.attr: Update following gas change.
* ld-arm/attr-merge-2.attr: Update Tag_ARM_ISA_use and
Tag_THUMB_ISA_use following gas changes.
* ld-arm/attr-merge-4.attr: Likewise.
* ld-arm/attr-merge-5.attr: Likewise.
* ld-arm/attr-merge-arch-1.attr: Likewise.
* ld-arm/attr-merge-arch-2.attr: Likewise.
* ld-arm/attr-merge-unknown-2.d: Likewise.
* ld-arm/attr-merge-unknown-2r.d: Likewise.
* ld-arm/attr-merge-unknown-3.d: Likewise.
* ld-arm/attr-merge-wchar-00-nowarn.d: Likewise.
* ld-arm/attr-merge-wchar-00.d: Likewise.
* ld-arm/attr-merge-wchar-02-nowarn.d: Likewise.
* ld-arm/attr-merge-wchar-02.d: Likewise.
* ld-arm/attr-merge-wchar-04-nowarn.d: Likewise.
* ld-arm/attr-merge-wchar-04.d: Likewise.
* ld-arm/attr-merge-wchar-20-nowarn.d: Likewise.
* ld-arm/attr-merge-wchar-20.d: Likewise.
* ld-arm/attr-merge-wchar-22-nowarn.d: Likewise.
* ld-arm/attr-merge-wchar-22.d: Likewise.
* ld-arm/attr-merge-wchar-24-nowarn.d: Likewise.
* ld-arm/attr-merge-wchar-40-nowarn.d: Likewise.
* ld-arm/attr-merge-wchar-40.d: Likewise.
* ld-arm/attr-merge-wchar-42-nowarn.d: Likewise.
* ld-arm/attr-merge-wchar-44-nowarn.d: Likewise.
* ld-arm/attr-merge-wchar-44.d: Likewise.
* ld-arm/attr-merge.attr: Likewise.
bfd/
* elf-attrs.c (is_default_attr): Support defaultless attributes.
(bfd_elf_add_obj_attr_int): Get type from _bfd_elf_obj_attrs_arg_type.
(bfd_elf_add_obj_attr_string): Likewise.
(bfd_elf_add_obj_attr_int_string): Likewise.
(_bfd_elf_parse_attributes): Allow for unknown flag bits in type.
* elf-bfd.h (struct obj_attribute): Document new flag bit.
* elf32-arm.c (elf32_arm_obj_attrs_arg_type): Specify that
Tag_nodefaults has no default value.
(elf32_arm_merge_eabi_attributes): Modify the Tag_nodefaults
comment to reflect the new state.
gas/
* read.c (s_vendor_attribute): Allow for unknown flag bits in type.
Daniel Jacobowitz <dan@codesourcery.com>
gas/
* config/tc-arm.c (arm_copy_symbol_attributes): New function.
* config/tc-arm.h (arm_copy_symbol_attributes): New prototype.
(CONVERT_SYMBOLIC_ATTRIBUTE): New define.
* read.c (s_vendor_attribute): Add support for symbolic tag names.
Improve string parser.
* doc/c-arm.texi (ARM Machine Directives): Document
.eabi_attribute symbolic tag names.
gas/testsuite/
* gas/arm/attr-syntax.d: New file.
* gas/arm/attr-syntax.s: New file.
bfd/
* elf-attrs.c (bfd_elf_add_obj_attr_compat): Rename to
bfd_elf_add_obj_attr_int_string.
Read Tag_compatibility from its new location in the attribute array,
rather than the attribute list.
(_bfd_elf_copy_obj_attributes): bfd_elf_add_obj_attr_compat ->
bfd_elf_add_obj_attr_int_string.
(_bfd_elf_parse_attributes): Likewise.
(_bfd_elf_merge_object_attributes): There's now only one
Tag_compatibility, and it's in the array, not the list.
* elf-bfd.h (NUM_KNOWN_OBJ_ATTRIBUTES): Set to 33 to include
Tag_compatibility.
(bfd_elf_add_obj_attr_compat): Rename to
bfd_elf_add_obj_attr_int_string.
(bfd_elf_add_proc_attr_compat): Rename to
bfd_elf_add_proc_attr_int_string.
* elf32-arm.c (elf32_arm_merge_eabi_attributes): Explicitly don't handle
Tag_compatibility.
gas/
* read.c (s_vendor_attribute): bfd_elf_add_obj_attr_compat ->
bfd_elf_add_obj_attr_int_string.
* read.c (pseudo_set): Don't allow global register symbol only
if TC_GLOBAL_REGISTER_SYMBOL_OK is undefined.
* symbols.c (S_SET_EXTERNAL): Likewise.
* config/tc-mmix.h (TC_GLOBAL_REGISTER_SYMBOL_OK): Defined.
* doc/internals.texi: Document TC_GLOBAL_REGISTER_SYMBOL_OK.
* read.c (get_line_sb): Renamed to get_non_macro_line_sb.
(_find_end_of_line): Add extra parameter indicating if the line is
inside a macro. If it is then do not allow the @ character to be
treated as a line separator character.
(read_a_source): Update use of _find_end_of_line.
(find_end_of_line): Likewise.
(s_irp): Update use of get_line_sb.
(s_macro): Likewise.
(do_repeat): Likewise.
(get_line_sb): New function. Like the old version of get_line_sb
except that it takes an extra parameter indicating whether the
line is inside a macro.
(get_macro_line_sb): New function.
* read.c (s_mexit): Warn if attempting to exit a macro when not
inside a macro definition.
* gas/macros/exit.s: New test case.
* gas/macros/macros.exp: Run the new test, expect it to produce an
error result.
* dwarf2dbg.c (out_sleb128): Delete.
(size_fixed_inc_line_addr, emit_fixed_inc_line_addr): New.
(out_fixed_inc_line_addr): Delete.
(relax_inc_line_addr, dwarf2dbg_estimate_size_before_relax): Call new
size_fixed_inc_line_addr if DWARF2_USE_FIXED_ADVANCE_PC is set.
(dwarf2dbg_convert_frag): Likewise for emit_fixed_inc_line_addr.
(process_entries): Remove calls to out_fixed_inc_line_addr. When
DWARF2_USE_FIXED_ADVANCE_PC is set, call relax_inc_line_addr.
* read.h (emit_expr_fix): New prototype.
* read.c (emit_expr): Move code to emit_expr_fix and use it here.
(emit_expr_fix): New.
testsuite/
* gas/lns/lns.exp: Run new lns-big-delta test for targets that set
DWARF2_USE_FIXED_ADVANCE_PC.
* gas/lns/lns-big-delta.s: New.
* gas/lns/lns-big-delta.d: New.
* read.c (potable): Add "reloc".
(s_reloc): New function.
* write.c (reloc_list): New global var.
(resolve_reloc_expr_symbols): New function.
(write_object_file): Call it.
(write_relocs): Process reloc_list.
* write.h (struct reloc_list): New.
(reloc_list): Declare.
compiler complaints about it being used without being initialized.
(s_comm_internal, s_mri_common, s_fail, s_globl, s_space,
s_float_space, s_struct, cons_worker, equals): Likewise.
2005-11-17 Jan Beulich <jbeulich@novell.com>
* symbols.h (S_CLEAR_VOLATILE): Declare.
* symbols.c (colon): Also accept redefinable symbols for
redefinition. Clone them before modifying.
(S_CLEAR_VOLATILE): Define.
* cond.c (s_ifdef): Also test for equated symbols.
* read.c (s_comm_internal): Also exclude non-redefinable
equated symbols. Clone redefinable ones before modifying.
(s_weakref): Clone redefinable symbols before modifying.
* doc/internals.texi: Document sy_volatile, sy_forward_ref,
S_IS_VOLATILE, S_SET_VOLATILE, S_CLEAR_VOLATILE,
S_IS_FORWARD_REF, and S_SET_FORWARD_REF.
gas/testsuite/
2005-11-17 Jan Beulich <jbeulich@novell.com>
* gas/all/cond.s: Also check ifdef works on equates and
commons.
* gas/all/cond.l: Adjust.
* gas/all/redef2.s: Also test redefining equate to label.
* gas/all/redef2.d: Adjust.
* gas/all/redef3.[sd]: New.
* gas/all/redef4.s: New.
* gas/all/redef5.s: New.
* gas/elf/redef.s: New, copied from original gas/all/redef2.s.
* gas/elf/redef.d: Remove #source.
* gas/all/gas.exp: Remove exclusion of iq2000-*-* from and
adjust xfails for redefinition tests. Run new tests. Exclude
alpha*-*-*, mips*-*-*, *c54x*-*-* from weakref tests.
- allowing true forward references (which will always assume the referenced
symbols have at the point of use) through the new .eqv pseudo-op and the
new == operator
- disallowing changing .equiv-generated equates (so that the protection this
provides is both forward and backward)
- snapshotting equates when their value gets changed so that previous uses
don't get affected by the new value.
- allowing expressions in places where absolute expressions (or register
names) are needed which were not completely resolvable at the point of
their definition but which are fully resolvable at the point of use
In addition it fixes PR/288.
2005-05-17 Jan Beulich <jbeulich@novell.com>
* read.c (_find_end_of_line): New.
(find_end_of_line): New.
(HANDLE_CONDITIONAL_ASSEMBLY): Use it.
(read_a_source_file): Use it.
(s_globl): Use it.
(s_macro): Use it.
(get_line_sb): Use it.
(s_errwarn): Replace discard_rest_of_line by ignore_rest_of_line.
(s_comm_internal): Likewise.
(s_lsym): Likewise.
(s_macro): Likewise.
(s_ignore): Use ignore_rest_of_line.
* read.h (find_end_of_line): Prototype.
(discard_rest_of_line): Remove prototype. #define to
ignore_rest_of_line.
gas/testsuite/
2005-05-17 Jan Beulich <jbeulich@novell.com>
* gas/mmix/err-byte1.s: Adjust expected error text on line 10.
2005-04-26 H.J. Lu <hongjiu.lu@intel.com>
* config/obj-multi.h (FAKE_LABEL_NAME): Defined.
* read.c (pseudo_set): Disallow symbol set to common symbol.
PR 857
* write.c (write_object_file): Report common symbol name when
disallowing local symbol set to common symbol.
(adjust_reloc_syms): Disallow local symbol set to undefined
symbol.
gas/testsuite/
2005-04-26 H.J. Lu <hongjiu.lu@intel.com>
* gas/all/assign.s: Make `x' and `y' global.
2005-04-25 Jan Beulich <jbeulich@novell.com>
* macro.c (macro_expand_body): Replace locals indicator parameters
with actual macro_entry. New local variables macro_line and err.
Don't return when encountering an error, just record the fact.
Detect local symbol name colliding with parameter. Track line number
inside of macro expansion.
(do_formals): Move local variable name to wider scope. Check
parameter of the same name doesn't already exist. In MRI mode, also
check it doesn't collide with the argument count pseudo-parameter).
(define_macro): Add file and line number parameters. Remove local
variable namestr. New local variable error. Initialize macro_entry
members file, line, and name. Don't return when encountering an
error, just record the fact. Use %s in some diagnostics for read.c
to insert the macro name. Free macro_entry on error.
(macro_expand): Pass macro_entry to macro_epand_body. Don't return
when encountering an error, just record the fact.
(expand_irp): Don't return when encountering an error, just record
the fact.
* macro.h (macro_struct): New members name, file, and line.
(define_macro): Add file and line number parameters.
* read.c (s_macro): Pass file and line to define_macro. Tag warning
regarding pseudo-op redefinition with the file/line that macro
definition started at.
gas/testsuite/
2005-04-25 Jan Beulich <jbeulich@novell.com>
* gas/macros/badarg.s: Add tests for collisions between/among macro
parameters and local symbols.
* gas/macros/badarg.l: Adjust.
2005-04-11 Jan Beulich <jbeulich@novell.com>
* NEWS: Mention these changes and their effects.
* macro.c (get_token): Use is_name_beginner/is_part_of_name/
is_name_ender.
(check_macro): Likewise.
(buffer_and_nest): Likewise. Permit multiple labels. Don't discard
labels together with the closing pseudo-op.
(macro_expand_body): Adjust comment. Range-check input before use.
Adjust mis-spelled diagnostic. Use is_name_beginner.
* read.c (try_macro): New.
(read_a_source_file): New static variable last_eol. Don't list
macro expansion lines more than once. Call try_macro.
(s_macro): Set section of line_label to absolute instead of undefined.
* doc/as.texinfo: Add information on the caveats of these changes.
gas/testsuite/
2005-04-11 Jan Beulich <jbeulich@novell.com>
* gas/macros/dot.[ls]: New.
* gas/macros/macros.exp: Run new test.
* as.h (rs_dummy): Define.
* symbols.c (symbol_X_add_number): New function.
* symbols.h (symbol_X_add_number): Declare.
* stabs.c (aout_process_stab): Tidy symbol frag setting.
* read.c (assign_symbol): New function, split out from s_set.
Use symbol_find_or_make. Leave fr_type of dummy frag as rs_dummy.
Fix COFF hacks for multi-emulation gas.
(s_set): Call assign_symbol. Remove "register" keyword.
(set_zero_frag): New function.
(pseudo_set): Always check for assignment to section syms.
Always set segment and frag of symbol, and likewise extern for
aout/bout. Handle assignment of sym=sym+/-const specially. Don't
special case exp.X_add_number non-zero for O_symbol expressions.
(equals): Use assign_symbol.
2005-01-31 Jan Beulich <jbeulich@novell.com>
* macro.c (do_formals): Adjust to no longer accept empty parameter
names.
(define_macro): Adjust to no longer accept empty macro name, garbage
following the parameters, or macros that were previously defined.
* read.c (s_bad_end): Declare.
(potable): Add endm. Handler for endr and endm is s_bad_end.
(s_bad_end): Rename from s_bad_endr. Adjust to handle both .endm
and .endr.
* read.h (s_bad_endr): Remove.
gas/testsuite/
2005-01-31 Jan Beulich <jbeulich@novell.com>
* gas/macros/badarg.[ls]: New.
* gas/macros/end.[ls]: New.
* gas/macros/redef.[ls]: New.
* gas/macros/macros.exp (run_list_test): Copy from elsewhere.
Run new tests.
(emit_expr): ...here. Handle the case where X_add_number is
positive and the input value is negative.
(output_big_sleb128): Fix setting of continuation bit. Check whether
the final byte needs to be sign-extended. Fix size-shrinking loop.
(emit_leb128_expr): When generating a signed leb128, see whether the
sign of an O_constant's X_add_number matches the sign of the input
value. Use a bignum if not.