From 2c4747540f8a9cbfe17cae6114c505325f61036e Mon Sep 17 00:00:00 2001 From: Michael Meissner Date: Thu, 21 Sep 1995 20:23:15 +0000 Subject: [PATCH] add -mrelocatable-lib, -memb support --- gas/ChangeLog | 15 +++++++++++++ gas/config/tc-ppc.c | 51 ++++++++++++++++++++++++++++++++++++--------- 2 files changed, 56 insertions(+), 10 deletions(-) diff --git a/gas/ChangeLog b/gas/ChangeLog index 7e7014775bf..2729b8409d2 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,18 @@ +Thu Sep 21 14:11:49 1995 Michael Meissner + + * config/tc-ppc.c (ppc_flags): New variable to hold the flag bits + to set in the ELF header. + (md_parse_option): Add support for -mrelocatable-lib. Make both + -mrelocatable and -mrelocatable-lib set ppc_flags. + (md_begin): Set ELF flags with ppc_flags. + +Wed Sep 20 13:01:52 1995 Ian Lance Taylor + + * Makefile.in (maintainer-clean): New target, synonym for + realclean. Add GNU standard maintainer-clean echos. + * doc/Makefile.in (maintainer-clean): New target, synonym for + realclean. + Tue Sep 19 11:31:31 1995 Ian Lance Taylor * config/tc-m68k.c (m68k_ip): Reject immediate operands for '%'. diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c index c8af6e61ef3..5c2b1a654b6 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); -- 2.30.2