From 266abb8f7255c87cbbd1e38c12ed7783a6d6e0de Mon Sep 17 00:00:00 2001 From: Nathan Sidwell Date: Tue, 7 Feb 2006 19:01:10 +0000 Subject: * bfd/archures.c (bfd_mach_mcf5200, bfd_mach_mcf5206e, bfd_mach_mcf5307, bfd_mach_mcf5407, bfd_mach_mcf528x, bfd_mach_mcfv4e, bfd_mach_mcf521x, bfd_mach_mcf5249, bfd_mach_mcf547x, bfd_mach_mcf548x): Remove. (bfd_mach_mcf_isa_a, bfd_mach_mcf_isa_a_div, bfd_mach_mcf_isa_a_div_mac, bfd_mach_mcf_isa_a_div_emac, bfd_mach_mcf_isa_aplus, bfd_mach_mcf_isa_aplus_mac, bfd_mach_mcf_isa_aplus_emac, bfd_mach_mcf_isa_aplus_usp, bfd_mach_mcf_isa_aplus_usp_mac, bfd_mach_mcf_isa_aplus_usp_emac, bfd_mach_mcf_isa_b, bfd_mach_mcf_isa_b_mac, bfd_mach_mcf_isa_b_emac, bfd_mach_mcf_isa_b_usp_float, bfd_mach_mcf_isa_b_usp_float_mac, bfd_mach_mcf_isa_b_usp_float_emac): New. (bfd_default_scan): Update coldfire mapping. * bfd/bfd-in.h (bfd_m68k_mach_to_features, bfd_m68k_features_to_mach): Declare. * bfd/bfd-in2.h: Rebuilt. * bfd/cpu-m68k.c (arch_info_struct): Add new coldfire machines, adjust legacy names. (m68k_arch_features): New. (bfd_m68k_mach_to_features, bfd_m68k_features_to_mach): Define. * bfd/elf32-m68k.c (elf32_m68k_object_p): New. (elf32_m68k_merge_private_bfd_data): Merge the CF EF flags. (elf32_m68k_print_private_bfd_data): Print the CF EF flags. (elf_backend_object_p): Define. * bfd/ieee.c (ieee_write_processor): Update coldfire machines. * bfd/libbfd.h: Rebuilt. * gas/config/tc-m68k.c (mcf5208_control_regs, mcf5213_control_regs, mcf5329_control_regs): New. (not_current_architecture, selected_arch, selected_cpu): New. (m68k_archs, m68k_extensions): New. (archs): Renamed to ... (m68k_cpus): ... here. Adjust. (n_arches): Remove. (md_pseudo_table): Add arch and cpu directives. (find_cf_chip, m68k_ip): Adjust table scanning. (no_68851, no_68881): Remove. (md_assemble): Lazily initialize. (select_control_regs): Adjust cpu names. Add 5208, 5213, 5329. (md_init_after_args): Move functionality to m68k_init_arch. (mri_chip): Adjust table scanning. (md_parse_option): Reimplement 'm' processing to add -march & -mcpu options with saner parsing. (m68k_lookup_cpu, m68k_set_arch, m68k_set_cpu, m68k_set_extension, m68k_init_arch): New. (s_m68k_cpu, s_m68k_arch): New. (md_show_usage): Adjust. (m68k_elf_final_processing): Set CF EF flags. * gas/config/tc-m68k.h (m68k_init_after_args): Remove. (tc_init_after_args): Remove. * gas/doc/c-m68k.texi (M68K-Opts): Document -march, -mcpu options. (M68k-Directives): Document .arch and .cpu directives. * gas/testsuite/gas/m68k/all.exp: Add arch-cpu-1 test. * gas/testsuite/gas/m68k/arch-cpu-1.[sd]: New. * include/elf/m68k.h (EF_CPU32, EF_M68000, EF_CFV4E): Rename to ... (EF_M68K_CPU32, EF_M68K_M68000, EF_M68K_CFV4E): ... here. (EF_M68K_ISA_MASK, EF_M68K_ISA_A, EF_M68K_M68K_ISA_A_PLUS, EF_M68K_ISA_B, EF_M68K_HW_DIV, EF_M68K_MAC_MASK, EF_M68K_MAC, EF_M68K_EMAC, EF_M68K_USP, EF_M68K_FLOAT): New. * include/opcode/m68k.h (m68008, m68ec030, m68882): Remove. (m68k_mask): New. (cpu_m68k, cpu_cf): New. (mcf5200, mcf5206e, mcf521x, mcf5249, mcf528x, mcf5307, mcf5407, mcf5470, mcf5480): Rename to cpu_. Add m680x0 variants. * opcodes/m68k-dis.c (print_insn_m68k): Use bfd_m68k_mach_to_features. * binutils/readelf.c (get_machine_flags): Add logic for EF_M68K flags. --- gas/doc/c-m68k.texi | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) (limited to 'gas/doc') diff --git a/gas/doc/c-m68k.texi b/gas/doc/c-m68k.texi index d3c849c..d4da2a1 100644 --- a/gas/doc/c-m68k.texi +++ b/gas/doc/c-m68k.texi @@ -32,6 +32,50 @@ dependent options: @table @samp +@cindex @samp{-march=} command line option, M680x0 +@item -march=@var{architecture} +This option specifies a target architecture. The following +architectures are recognized: +@code{68000}, +@code{68010}, +@code{68020}, +@code{68030}, +@code{68040}, +@code{68060}, +@code{cpu32}, +@code{isaa}, +@code{isaaplus}, +@code{isab} and +@code{cfv4e}. + + +@cindex @samp{-mcpu=} command line option, M680x0 +@item -mcpu=@var{cpu} +This option specifies a target cpu. When used in conjunction with the +@option{-march} option, the cpu must be within the specified +architecture. Also, the generic features of the architecture are used +for instruction generation, rather than those of the specific chip. + +@cindex @samp{-m[no-]68851} command line option, M680x0 +@cindex @samp{-m[no-]68881} command line option, M680x0 +@cindex @samp{-m[no-]div} command line option, M680x0 +@cindex @samp{-m[no-]usp} command line option, M680x0 +@cindex @samp{-m[no-]float} command line option, M680x0 +@cindex @samp{-m[no-]mac} command line option, M680x0 +@cindex @samp{-m[no-]emac} command line option, M680x0 +@item -m[no-]68851 +@item -m[no-]68881 +@item -m[no-]div +@item -m[no-]usp +@item -m[no-]float +@item -m[no-]mac +@item -m[no-]emac + +Enable or disable various architecture specific features. If a chip +or architecture by default supports an option (for instance +@option{-march=isaaplus} includes the @option{-mdiv} option), +explicitly disabling the option will override the default. + @cindex @samp{-l} option, M680x0 @item -l You can use the @samp{-l} option to shorten the size of references to undefined @@ -398,6 +442,25 @@ aligns the output to an even byte boundary. @cindex @code{skip} directive, M680x0 @item .skip This directive is identical to a @code{.space} directive. + +@cindex @code{arch} directive, M680x0 +@item .arch @var{name} +Select the target architecture and extension features. Valid valuse +for @var{name} are the same as for the @option{-march} command line +option. This directive cannot be specified after +any instructions have been assembled. If it is given multiple times, +or in conjuction with the @option{-march} option, all uses must be for +the same architecture and extension set. + +@cindex @code{cpu} directive, M680x0 +@item .cpu @var{name} +Select the target cpu. Valid valuse +for @var{name} are the same as for the @option{-mcpu} command line +option. This directive cannot be specified after +any instructions have been assembled. If it is given multiple times, +or in conjuction with the @option{-mopt} option, all uses must be for +the same cpu. + @end table @need 2000 -- cgit v1.1