diff options
Diffstat (limited to 'gas/config/tc-ppc.c')
| -rw-r--r-- | gas/config/tc-ppc.c | 51 |
1 files changed, 41 insertions, 10 deletions
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c index c8af6e6..5c2b1a6 100644 --- a/gas/config/tc-ppc.c +++ b/gas/config/tc-ppc.c @@ -31,9 +31,12 @@ /* This is the assembler for the PowerPC or POWER (RS/6000) chips. */ -/* FIXME: This should be handled in a different way. */ +/* Tell the main code what the endianness is. */ extern int target_big_endian; +/* Whether or not, we've set target_big_endian. */ +static int set_target_endian = 0; + static void ppc_set_cpu PARAMS ((void)); static unsigned long ppc_insert_operand PARAMS ((unsigned long insn, const struct powerpc_operand *operand, @@ -148,6 +151,9 @@ static struct hash_control *ppc_macro_hash; /* Whether to warn about non PC relative relocations that aren't in the .got2 section. */ static boolean mrelocatable = false; + +/* Flags to set in the elf header */ +static flagword ppc_flags = 0; #endif #ifdef OBJ_COFF @@ -265,16 +271,35 @@ md_parse_option (c, arg) ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_PPC; #ifdef OBJ_ELF - /* -mrelocatable -- warn about initializations that require relocation */ + /* -mrelocatable/-mrelocatable-lib -- warn about initializations that require relocation */ else if (strcmp (arg, "relocatable") == 0) - mrelocatable = true; + { + mrelocatable = true; + ppc_flags |= EF_PPC_RELOCATABLE; + } + + else if (strcmp (arg, "relocatable-lib") == 0) + { + mrelocatable = true; + ppc_flags |= EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB; + } + + /* -memb, set embedded bit */ + else if (strcmp (arg, "emb") == 0) + ppc_flags |= EF_PPC_EMB; /* -mlittle/-mbig set the endianess */ else if (strcmp (arg, "little") == 0 || strcmp (arg, "little-endian") == 0) - target_big_endian = 0; + { + target_big_endian = 0; + set_target_endian = 1; + } else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0) - target_big_endian = 1; + { + target_big_endian = 1; + set_target_endian = 1; + } #endif else { @@ -319,6 +344,8 @@ PowerPC options:\n\ #ifdef OBJ_ELF fprintf(stream, "\ -mrelocatable support for GCC's -mrelocatble option\n\ +-mrelocatable-lib support for GCC's -mrelocatble-lib option\n\ +-memb set PPC_EMB bit in ELF flags\n\ -mlittle, -mlittle-endian\n\ generate code for a little endian machine\n\ -mbig, -mbig-endian generate code for a big endian machine\n\ @@ -376,9 +403,9 @@ md_begin () ppc_set_cpu (); #ifdef OBJ_ELF - /* Set the -mrelocatable flag bit */ - if (mrelocatable) - bfd_set_private_flags (stdoutput, EF_PPC_RELOCATABLE); + /* Set the ELF flags if desired. */ + if (ppc_flags) + bfd_set_private_flags (stdoutput, ppc_flags); #endif /* Insert the opcodes into a hash table. */ @@ -436,8 +463,12 @@ md_begin () } } - /* Tell the main code what the endianness is. */ - target_big_endian = PPC_BIG_ENDIAN; + /* Tell the main code what the endianness is if it is not overidden by the user. */ + if (!set_target_endian) + { + set_target_endian = 1; + target_big_endian = PPC_BIG_ENDIAN; + } #ifdef OBJ_COFF ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG); |