2012-11-09 Nick Clifton <nickc@redhat.com>
* elf32-rx.c (describe_flags): New function. Returns a buffer containing a description of the E_FLAG_RX_... values set. (rx_elf_merge_private_bfd_data): Use it. (rx_elf_print_private_bfd_data): Likewise. (elf32_rx_machine): Skip EF_RX_CPU_RX check. (elf32_rx_special_sections): Define. (elf_backend_special_sections): Define. 2012-11-09 Nick Clifton <nickc@redhat.com> * readelf.c (get_machine_flags): Add support for E_FLAG_RX_ABI. 2012-11-09 Nick Clifton <nickc@redhat.com> * config/obj-elf.c (obj_elf_change_section): Allow init array sections to have the SHF_EXECINSTR attribute for the RX target. * config/tc-rx.c (elf_flags): Initialise with E_FLAG_RX_ABI. (enum options): Add OPTION_USES_GCC_ABI and OPTION_USES_RX_ABI. (md_longopts): Add -mgcc-abi and -mrx-abi. (md_parse_option): Add support for OPTION_USES_GCC_ABI and OPTION_USES_RX_ABI. * doc/as.texinfo (RX Options): Add mention of remaining RX options. * doc/c-rx.texi: Document -mgcc-abi and -mrx-abi. 2012-11-09 Nick Clifton <nickc@redhat.com> * rx.h (EF_RX_CPU_RX): Add comment. (E_FLAG_RX_ABI): Define. 2012-11-09 Nick Clifton <nickc@redhat.com> * emultempl/rxelf.em (no_flag_mismatch_warnings): Initialise to true. (PARSE_AND_LIST_LONGOPTS): Add flag-mismatch-warnings. (PARSE_AND_LIST_ARG_CASES): Add support for --flag-mismatch-warnings.
This commit is contained in:
Nick Clifton
parent
f23200ada9
commit
708e2187a3
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@ -1,3 +1,13 @@
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2012-11-09 Nick Clifton <nickc@redhat.com>
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* elf32-rx.c (describe_flags): New function. Returns a buffer
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containing a description of the E_FLAG_RX_... values set.
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(rx_elf_merge_private_bfd_data): Use it.
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(rx_elf_print_private_bfd_data): Likewise.
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(elf32_rx_machine): Skip EF_RX_CPU_RX check.
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(elf32_rx_special_sections): Define.
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(elf_backend_special_sections): Define.
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2012-11-09 Edgar E. Iglesias <edgar.iglesias@gmail.com>
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* config.bfd: Add microblazeel-*-*
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@ -2937,6 +2937,39 @@ bfd_elf32_rx_set_target_flags (bfd_boolean user_no_warn_mismatch,
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ignore_lma = user_ignore_lma;
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}
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/* Converts FLAGS into a descriptive string.
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Returns a static pointer. */
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static const char *
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describe_flags (flagword flags)
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{
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static char buf [128];
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buf[0] = 0;
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if (flags & E_FLAG_RX_64BIT_DOUBLES)
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strcat (buf, "64-bit doubles");
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else
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strcat (buf, "32-bit doubles");
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if (flags & E_FLAG_RX_DSP)
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strcat (buf, ", dsp");
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else
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strcat (buf, ", no dsp");
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if (flags & E_FLAG_RX_PID)
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strcat (buf, ", pid");
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else
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strcat (buf, ", no pid");
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if (flags & E_FLAG_RX_ABI)
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strcat (buf, ", RX ABI");
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else
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strcat (buf, ", GCC ABI");
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return buf;
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}
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/* Merge backend specific data from an object file to the output
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object file when linking. */
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@ -2958,7 +2991,10 @@ rx_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
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}
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else if (old_flags != new_flags)
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{
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flagword known_flags = E_FLAG_RX_64BIT_DOUBLES | E_FLAG_RX_DSP | E_FLAG_RX_PID;
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flagword known_flags;
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known_flags = E_FLAG_RX_ABI | E_FLAG_RX_64BIT_DOUBLES
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| E_FLAG_RX_DSP | E_FLAG_RX_PID;
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if ((old_flags ^ new_flags) & known_flags)
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{
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@ -2971,9 +3007,12 @@ rx_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
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}
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else
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{
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(*_bfd_error_handler)
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("ELF header flags mismatch: old_flags = 0x%.8lx, new_flags = 0x%.8lx, filename = %s",
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old_flags, new_flags, bfd_get_filename (ibfd));
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_bfd_error_handler ("There is a conflict merging the ELF header flags from %s",
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bfd_get_filename (ibfd));
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_bfd_error_handler (" the input file's flags: %s",
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describe_flags (new_flags));
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_bfd_error_handler (" the output file's flags: %s",
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describe_flags (old_flags));
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error = TRUE;
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}
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}
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@ -3001,21 +3040,20 @@ rx_elf_print_private_bfd_data (bfd * abfd, void * ptr)
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flags = elf_elfheader (abfd)->e_flags;
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fprintf (file, _("private flags = 0x%lx:"), (long) flags);
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if (flags & E_FLAG_RX_64BIT_DOUBLES)
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fprintf (file, _(" [64-bit doubles]"));
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if (flags & E_FLAG_RX_DSP)
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fprintf (file, _(" [dsp]"));
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fputc ('\n', file);
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fprintf (file, describe_flags (flags));
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return TRUE;
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}
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/* Return the MACH for an e_flags value. */
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static int
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elf32_rx_machine (bfd * abfd)
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elf32_rx_machine (bfd * abfd ATTRIBUTE_UNUSED)
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{
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#if 0 /* FIXME: EF_RX_CPU_MASK collides with E_FLAG_RX_...
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Need to sort out how these flag bits are used.
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For now we assume that the flags are OK. */
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if ((elf_elfheader (abfd)->e_flags & EF_RX_CPU_MASK) == EF_RX_CPU_RX)
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#endif
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return bfd_mach_rx;
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return 0;
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@ -3495,6 +3533,17 @@ elf32_rx_modify_program_headers (bfd * abfd ATTRIBUTE_UNUSED,
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return TRUE;
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}
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/* The default literal sections should always be marked as "code" (i.e.,
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SHF_EXECINSTR). This is particularly important for big-endian mode
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when we do not want their contents byte reversed. */
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static const struct bfd_elf_special_section elf32_rx_special_sections[] =
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{
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{ STRING_COMMA_LEN (".init_array"), 0, SHT_INIT_ARRAY, SHF_ALLOC + SHF_EXECINSTR },
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{ STRING_COMMA_LEN (".fini_array"), 0, SHT_FINI_ARRAY, SHF_ALLOC + SHF_EXECINSTR },
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{ STRING_COMMA_LEN (".preinit_array"), 0, SHT_PREINIT_ARRAY, SHF_ALLOC + SHF_EXECINSTR },
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{ NULL, 0, 0, 0, 0 }
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};
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#define ELF_ARCH bfd_arch_rx
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#define ELF_MACHINE_CODE EM_RX
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@ -3523,6 +3572,7 @@ elf32_rx_modify_program_headers (bfd * abfd ATTRIBUTE_UNUSED,
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#define bfd_elf32_set_section_contents rx_set_section_contents
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#define bfd_elf32_bfd_final_link rx_final_link
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#define bfd_elf32_bfd_relax_section elf32_rx_relax_section_wrapper
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#define elf_backend_special_sections elf32_rx_special_sections
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#include "elf32-target.h"
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@ -1,3 +1,7 @@
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2012-11-09 Nick Clifton <nickc@redhat.com>
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* readelf.c (get_machine_flags): Add support for E_FLAG_RX_ABI.
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2012-11-09 H.J. Lu <hongjiu.lu@intel.com>
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* coffgrok.c (coff_grok): Remove trailing redundant `;'.
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@ -634,6 +634,7 @@ guess_is_rela (unsigned int e_machine)
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case EM_TI_C6000:
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case EM_TILEGX:
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case EM_TILEPRO:
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case EM_V800:
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case EM_V850:
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case EM_CYGNUS_V850:
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case EM_VAX:
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@ -1058,6 +1059,9 @@ dump_relocations (FILE * file,
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rtype = elf_spu_reloc_type (type);
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break;
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case EM_V800:
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rtype = v800_reloc_type (type);
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break;
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case EM_V850:
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case EM_CYGNUS_V850:
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rtype = v850_reloc_type (type);
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@ -1885,7 +1889,6 @@ get_machine_name (unsigned e_machine)
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case EM_960: return "Intel 90860";
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case EM_PPC: return "PowerPC";
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case EM_PPC64: return "PowerPC64";
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case EM_V800: return "NEC V800";
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case EM_FR20: return "Fujitsu FR20";
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case EM_RH32: return "TRW RH32";
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case EM_MCORE: return "MCORE";
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@ -1910,6 +1913,7 @@ get_machine_name (unsigned e_machine)
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case EM_CYGNUS_M32R:
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case EM_M32R: return "Renesas M32R (formerly Mitsubishi M32r)";
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case EM_CYGNUS_V850:
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case EM_V800: return "Renesas V850 (using RH850 ABI)";
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case EM_V850: return "Renesas V850";
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case EM_CYGNUS_MN10300:
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case EM_MN10300: return "mn10300";
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@ -2412,6 +2416,56 @@ get_machine_flags (unsigned e_flags, unsigned e_machine)
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strcat (buf, _(", relocatable-lib"));
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break;
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case EM_V800:
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if ((e_flags & EF_RH850_ABI) == EF_RH850_ABI)
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strcat (buf, ", RH850 ABI");
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if (e_flags & EF_V800_850E3)
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strcat (buf, ", V3 architecture");
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if ((e_flags & (EF_RH850_FPU_DOUBLE | EF_RH850_FPU_SINGLE)) == 0)
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strcat (buf, ", FPU not used");
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if ((e_flags & (EF_RH850_REGMODE22 | EF_RH850_REGMODE32)) == 0)
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strcat (buf, ", regmode: COMMON");
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if ((e_flags & (EF_RH850_GP_FIX | EF_RH850_GP_NOFIX)) == 0)
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strcat (buf, ", r4 not used");
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if ((e_flags & (EF_RH850_EP_FIX | EF_RH850_EP_NOFIX)) == 0)
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strcat (buf, ", r30 not used");
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if ((e_flags & (EF_RH850_TP_FIX | EF_RH850_TP_NOFIX)) == 0)
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strcat (buf, ", r5 not used");
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if ((e_flags & (EF_RH850_REG2_RESERVE | EF_RH850_REG2_NORESERVE)) == 0)
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strcat (buf, ", r2 not used");
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for (e_flags &= 0xFFFF; e_flags; e_flags &= ~ (e_flags & - e_flags))
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{
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switch (e_flags & - e_flags)
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{
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case EF_RH850_FPU_DOUBLE: strcat (buf, ", double precision FPU"); break;
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case EF_RH850_FPU_SINGLE: strcat (buf, ", single precision FPU"); break;
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case EF_RH850_SIMD: strcat (buf, ", SIMD"); break;
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case EF_RH850_CACHE: strcat (buf, ", CACHE"); break;
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case EF_RH850_MMU: strcat (buf, ", MMU"); break;
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case EF_RH850_REGMODE22: strcat (buf, ", regmode:22"); break;
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case EF_RH850_REGMODE32: strcat (buf, ", regmode:23"); break;
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case EF_RH850_DATA_ALIGN8: strcat (buf, ", 8-byte alignment"); break;
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case EF_RH850_GP_FIX: strcat (buf, ", r4 fixed"); break;
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case EF_RH850_GP_NOFIX: strcat (buf, ", r4 free"); break;
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case EF_RH850_EP_FIX: strcat (buf, ", r30 fixed"); break;
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case EF_RH850_EP_NOFIX: strcat (buf, ", r30 free"); break;
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case EF_RH850_TP_FIX: strcat (buf, ", r5 fixed"); break;
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case EF_RH850_TP_NOFIX: strcat (buf, ", r5 free"); break;
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case EF_RH850_REG2_RESERVE: strcat (buf, ", r2 fixed"); break;
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case EF_RH850_REG2_NORESERVE: strcat (buf, ", r2 free"); break;
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default: break;
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}
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}
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break;
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case EM_V850:
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case EM_CYGNUS_V850:
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switch (e_flags & EF_V850_ARCH)
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@ -2682,6 +2736,8 @@ get_machine_flags (unsigned e_flags, unsigned e_machine)
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strcat (buf, ", dsp");
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if (e_flags & E_FLAG_RX_PID)
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strcat (buf, ", pid");
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if (e_flags & E_FLAG_RX_ABI)
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strcat (buf, ", RX ABI");
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break;
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case EM_S390:
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@ -9998,6 +10054,8 @@ is_32bit_abs_reloc (unsigned int reloc_type)
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case EM_CYGNUS_V850:
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case EM_V850:
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return reloc_type == 6; /* R_V850_ABS32. */
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case EM_V800:
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return reloc_type == 0x33; /* R_V810_WORD. */
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case EM_VAX:
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return reloc_type == 1; /* R_VAX_32. */
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case EM_X86_64:
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@ -1,3 +1,16 @@
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2012-11-09 Nick Clifton <nickc@redhat.com>
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* config/obj-elf.c (obj_elf_change_section): Allow init array
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sections to have the SHF_EXECINSTR attribute for the RX target.
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* config/tc-rx.c (elf_flags): Initialise with E_FLAG_RX_ABI.
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(enum options): Add OPTION_USES_GCC_ABI and OPTION_USES_RX_ABI.
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(md_longopts): Add -mgcc-abi and -mrx-abi.
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(md_parse_option): Add support for OPTION_USES_GCC_ABI and
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OPTION_USES_RX_ABI.
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* doc/as.texinfo (RX Options): Add mention of remaining RX
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options.
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* doc/c-rx.texi: Document -mgcc-abi and -mrx-abi.
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2012-11-09 David Holsgrove <david.holsgrove@xilinx.com>
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* gas/microblaze/endian.exp: New file - endian testcase for microblaze / microblazeel.
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@ -657,6 +657,14 @@ obj_elf_change_section (const char *name,
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/* A section on Alpha may have SHF_ALPHA_GPREL. */
|
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else if ((attr & ~ssect->attr) == SHF_ALPHA_GPREL)
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override = TRUE;
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#endif
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#ifdef TC_RX
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else if (attr == (SHF_EXECINSTR | SHF_WRITE | SHF_ALLOC)
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&& (ssect->type == SHT_INIT_ARRAY
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|| ssect->type == SHT_FINI_ARRAY
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|| ssect->type == SHT_PREINIT_ARRAY))
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/* RX init/fini arrays can and should have the "awx" attributes set. */
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;
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#endif
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else
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{
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|
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@ -46,7 +46,7 @@ const char EXP_CHARS[] = "eE";
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const char FLT_CHARS[] = "dD";
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/* ELF flags to set in the output file header. */
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static int elf_flags = 0;
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static int elf_flags = E_FLAG_RX_ABI;
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bfd_boolean rx_use_conventional_section_names = FALSE;
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static bfd_boolean rx_use_small_data_limit = FALSE;
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@ -70,6 +70,8 @@ enum options
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OPTION_RELAX,
|
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OPTION_PID,
|
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OPTION_INT_REGS,
|
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OPTION_USES_GCC_ABI,
|
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OPTION_USES_RX_ABI,
|
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};
|
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|
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#define RX_SHORTOPTS ""
|
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|
|
@ -94,6 +96,8 @@ struct option md_longopts[] =
|
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{"relax", no_argument, NULL, OPTION_RELAX},
|
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{"mpid", no_argument, NULL, OPTION_PID},
|
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{"mint-register", required_argument, NULL, OPTION_INT_REGS},
|
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{"mgcc-abi", no_argument, NULL, OPTION_USES_GCC_ABI},
|
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{"mrx-abi", no_argument, NULL, OPTION_USES_RX_ABI},
|
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{NULL, no_argument, NULL, 0}
|
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};
|
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size_t md_longopts_size = sizeof (md_longopts);
|
||||
|
|
@ -143,6 +147,14 @@ md_parse_option (int c ATTRIBUTE_UNUSED, char * arg ATTRIBUTE_UNUSED)
|
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case OPTION_INT_REGS:
|
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rx_num_int_regs = atoi (optarg);
|
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return 1;
|
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|
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case OPTION_USES_GCC_ABI:
|
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elf_flags &= ~ E_FLAG_RX_ABI;
|
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return 1;
|
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|
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case OPTION_USES_RX_ABI:
|
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elf_flags |= E_FLAG_RX_ABI;
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -459,6 +459,12 @@ gcc(1), ld(1), and the Info entries for @file{binutils} and @file{ld}.
|
|||
@emph{Target RX options:}
|
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[@b{-mlittle-endian}|@b{-mbig-endian}]
|
||||
[@b{-m32bit-doubles}|@b{-m64bit-doubles}]
|
||||
[@b{-muse-conventional-section-names}]
|
||||
[@b{-msmall-data-limit}]
|
||||
[@b{-mpid}]
|
||||
[@b{-mrelax}]
|
||||
[@b{-mint-register=@var{number}}]
|
||||
[@b{-mgcc-abi}|@b{-mrx-abi}]
|
||||
@end ifset
|
||||
@ifset S390
|
||||
|
||||
|
|
|
|||
|
|
@ -93,6 +93,19 @@ This option tells the assembler how many registers have been reserved
|
|||
for use by interrupt handlers. This is needed in order to compute the
|
||||
correct values for the @code{%gpreg} and @code{%pidreg} meta registers.
|
||||
|
||||
@cindex @samp{-mgcc-abi}
|
||||
@item -mgcc-abi
|
||||
This option tells the assembler that the old GCC ABI is being used by
|
||||
the assembled code. With this version of the ABI function arguments
|
||||
that are passed on the stack are aligned to a 32-bit boundary.
|
||||
|
||||
@cindex @samp{-mrx-abi}
|
||||
@item -mrx-abi
|
||||
This option tells the assembler that the official RX ABI is being used
|
||||
by the assembled code. With this version of the ABI function
|
||||
arguments that are passed on the stack are aligned to their natural
|
||||
alignments. This option is the default.
|
||||
|
||||
@end table
|
||||
|
||||
@node RX-Modifiers
|
||||
|
|
|
|||
|
|
@ -1,3 +1,8 @@
|
|||
2012-11-09 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* rx.h (EF_RX_CPU_RX): Add comment.
|
||||
(E_FLAG_RX_ABI): Define.
|
||||
|
||||
2012-11-08 Maciej W. Rozycki <macro@codesourcery.com>
|
||||
|
||||
* mips.h (EF_MIPS_32BITMODE): Move next to lower-order bits.
|
||||
|
|
|
|||
|
|
@ -110,7 +110,7 @@ START_RELOC_NUMBERS (elf_rx_reloc_type)
|
|||
|
||||
END_RELOC_NUMBERS (R_RX_max)
|
||||
|
||||
#define EF_RX_CPU_RX 0x00000079 /* FIXME: correct value? */
|
||||
#define EF_RX_CPU_RX 0x00000079 /* FIXME: this collides with the E_FLAG_RX_... values below. */
|
||||
#define EF_RX_CPU_MASK 0x0000007F /* specific cpu bits. */
|
||||
#define EF_RX_ALL_FLAGS (EF_RX_CPU_MASK)
|
||||
|
||||
|
|
@ -118,6 +118,7 @@ END_RELOC_NUMBERS (R_RX_max)
|
|||
#define E_FLAG_RX_64BIT_DOUBLES (1 << 0)
|
||||
#define E_FLAG_RX_DSP (1 << 1) /* Defined in the RX CPU Object file specification, but not explained. */
|
||||
#define E_FLAG_RX_PID (1 << 2) /* Unofficial - DJ */
|
||||
#define E_FLAG_RX_ABI (1 << 3) /* Binary passes stacked arguments using natural alignment. Unofficial - NC. */
|
||||
|
||||
/* These define the addend field of R_RX_RH_RELAX relocations. */
|
||||
#define RX_RELAXA_IMM6 0x00000010 /* Imm8/16/24/32 at bit offset 6. */
|
||||
|
|
|
|||
|
|
@ -1,3 +1,11 @@
|
|||
2012-11-09 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* emultempl/rxelf.em (no_flag_mismatch_warnings): Initialise to
|
||||
true.
|
||||
(PARSE_AND_LIST_LONGOPTS): Add flag-mismatch-warnings.
|
||||
(PARSE_AND_LIST_ARG_CASES): Add support for
|
||||
--flag-mismatch-warnings.
|
||||
|
||||
2012-11-09 Edgar E. Iglesias <edgar.iglesias@gmail.com>
|
||||
|
||||
* Makefile.am: Add eelf32microblazeel.c and eelf32mbel_linux.c.
|
||||
|
|
|
|||
|
|
@ -25,7 +25,7 @@
|
|||
test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel"
|
||||
fragment <<EOF
|
||||
|
||||
static bfd_boolean no_flag_mismatch_warnings = FALSE;
|
||||
static bfd_boolean no_flag_mismatch_warnings = TRUE;
|
||||
static bfd_boolean ignore_lma = TRUE;
|
||||
|
||||
/* This is a convenient point to tell BFD about target specific flags.
|
||||
|
|
@ -47,10 +47,12 @@ PARSE_AND_LIST_PROLOGUE='
|
|||
#define OPTION_NO_FLAG_MISMATCH_WARNINGS 301
|
||||
#define OPTION_IGNORE_LMA 302
|
||||
#define OPTION_NO_IGNORE_LMA 303
|
||||
#define OPTION_FLAG_MISMATCH_WARNINGS 304
|
||||
'
|
||||
|
||||
PARSE_AND_LIST_LONGOPTS='
|
||||
{ "no-flag-mismatch-warnings", no_argument, NULL, OPTION_NO_FLAG_MISMATCH_WARNINGS},
|
||||
{ "flag-mismatch-warnings", no_argument, NULL, OPTION_FLAG_MISMATCH_WARNINGS},
|
||||
{ "ignore-lma", no_argument, NULL, OPTION_IGNORE_LMA},
|
||||
{ "no-ignore-lma", no_argument, NULL, OPTION_NO_IGNORE_LMA},
|
||||
'
|
||||
|
|
@ -58,6 +60,8 @@ PARSE_AND_LIST_LONGOPTS='
|
|||
PARSE_AND_LIST_OPTIONS='
|
||||
fprintf (file, _(" --no-flag-mismatch-warnings Don'\''t warn about objects with incompatible\n"
|
||||
" endian or dsp settings\n"));
|
||||
fprintf (file, _(" --flag-mismatch-warnings Warn about objects with incompatible\n"
|
||||
" endian, dsp or ABI settings\n"));
|
||||
fprintf (file, _(" --ignore-lma Ignore segment LMAs [default]\n"
|
||||
" (for Renesas Tools compatibility)\n"));
|
||||
fprintf (file, _(" --no-ignore-lma Don'\''t ignore segment LMAs\n"));
|
||||
|
|
@ -68,6 +72,10 @@ PARSE_AND_LIST_ARGS_CASES='
|
|||
no_flag_mismatch_warnings = TRUE;
|
||||
break;
|
||||
|
||||
case OPTION_FLAG_MISMATCH_WARNINGS:
|
||||
no_flag_mismatch_warnings = FALSE;
|
||||
break;
|
||||
|
||||
case OPTION_IGNORE_LMA:
|
||||
ignore_lma = TRUE;
|
||||
break;
|
||||
|
|
|
|||
Loading…
Reference in New Issue