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* config/tc-mips.c: Throughout, check target_big_endian rather
than byte_order. (byte_order): Remove. (mips_init_after_args): Remove. * config/tc-mips.h (LITTLE_ENDIAN, BIG_ENDIAN): Don't define. (mips_init_after_args): Don't declare. (tc_init_after_args): Don't define. * config/tc-mips.h (tc_frob_after_relocs): Define if OBJ_MAYBE_ELF. (mips_elf_final_processing): Likewise. (ELF_TC_SPECIAL_SECTIONS): Likewise.
This commit is contained in:
Ian Lance Taylor
parent
bc83032148
commit
b9129c6fcd
@ -1,3 +1,18 @@
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Thu Jan 2 13:37:29 1997 Ian Lance Taylor <ian@cygnus.com>
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* config/tc-mips.c: Throughout, check target_big_endian rather
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than byte_order.
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(byte_order): Remove.
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(mips_init_after_args): Remove.
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* config/tc-mips.h (LITTLE_ENDIAN, BIG_ENDIAN): Don't define.
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(mips_init_after_args): Don't declare.
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(tc_init_after_args): Don't define.
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* config/tc-mips.h (tc_frob_after_relocs): Define if
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OBJ_MAYBE_ELF.
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(mips_elf_final_processing): Likewise.
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(ELF_TC_SPECIAL_SECTIONS): Likewise.
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start-sanitize-v850
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Tue Dec 31 15:12:35 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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@ -1,5 +1,5 @@
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/* tc-mips.c -- assemble code for a MIPS chip.
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Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
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Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
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Contributed by the OSF and Ralph Campbell.
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Written by Keith Knowles and Ralph Campbell, working independently.
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Modified for ECOFF and R4000 support by Ian Lance Taylor of Cygnus
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@ -255,8 +255,6 @@ const char FLT_CHARS[] = "rRsSfFdDxXpP";
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static char *insn_error;
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static int byte_order;
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static int auto_align = 1;
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/* When outputting SVR4 PIC code, the assembler needs to know the
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@ -4690,13 +4688,13 @@ macro (ip)
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dob:
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assert (mips_isa < 2);
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macro_build ((char *) NULL, &icnt, &offset_expr, "lwc1", "T,o(b)",
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byte_order == LITTLE_ENDIAN ? treg : treg + 1,
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target_big_endian ? treg + 1 : treg,
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(int) r, breg);
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/* FIXME: A possible overflow which I don't know how to deal
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with. */
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offset_expr.X_add_number += 4;
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macro_build ((char *) NULL, &icnt, &offset_expr, "lwc1", "T,o(b)",
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byte_order == LITTLE_ENDIAN ? treg + 1 : treg,
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target_big_endian ? treg : treg + 1,
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(int) r, breg);
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/* To avoid confusion in tc_gen_reloc, we must ensure that this
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@ -4775,7 +4773,7 @@ macro (ip)
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/* Even on a big endian machine $fn comes before $fn+1. We have
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to adjust when loading from memory. We set coproc if we must
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load $fn+1 first. */
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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coproc = 0;
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if (mips_pic == NO_PIC
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@ -5238,11 +5236,11 @@ macro2 (ip)
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/* Even on a big endian machine $fn comes before $fn+1. We have
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to adjust when storing to memory. */
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macro_build ((char *) NULL, &icnt, &offset_expr, "swc1", "T,o(b)",
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byte_order == LITTLE_ENDIAN ? treg : treg + 1,
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target_big_endian ? treg + 1 : treg,
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(int) BFD_RELOC_LO16, breg);
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offset_expr.X_add_number += 4;
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macro_build ((char *) NULL, &icnt, &offset_expr, "swc1", "T,o(b)",
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byte_order == LITTLE_ENDIAN ? treg + 1 : treg,
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target_big_endian ? treg : treg + 1,
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(int) BFD_RELOC_LO16, breg);
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return;
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@ -5557,11 +5555,11 @@ macro2 (ip)
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if (offset_expr.X_add_number >= 0x7fff)
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as_bad ("operand overflow");
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/* avoid load delay */
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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offset_expr.X_add_number += 1;
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macro_build ((char *) NULL, &icnt, &offset_expr, s, "t,o(b)", treg,
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(int) BFD_RELOC_LO16, breg);
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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offset_expr.X_add_number -= 1;
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else
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offset_expr.X_add_number += 1;
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@ -5583,11 +5581,11 @@ macro2 (ip)
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ulw:
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if (offset_expr.X_add_number >= 0x8000 - off)
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as_bad ("operand overflow");
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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offset_expr.X_add_number += off;
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macro_build ((char *) NULL, &icnt, &offset_expr, s, "t,o(b)", treg,
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(int) BFD_RELOC_LO16, breg);
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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offset_expr.X_add_number -= off;
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else
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offset_expr.X_add_number += off;
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@ -5610,13 +5608,13 @@ macro2 (ip)
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL,
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mips_isa < 3 ? "addu" : "daddu",
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"d,v,t", AT, AT, breg);
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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expr1.X_add_number = off;
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else
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expr1.X_add_number = 0;
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macro_build ((char *) NULL, &icnt, &expr1, s, "t,o(b)", treg,
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(int) BFD_RELOC_LO16, AT);
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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expr1.X_add_number = 0;
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else
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expr1.X_add_number = off;
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@ -5631,12 +5629,12 @@ macro2 (ip)
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL,
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mips_isa < 3 ? "addu" : "daddu",
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"d,v,t", AT, AT, breg);
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if (byte_order == BIG_ENDIAN)
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if (target_big_endian)
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expr1.X_add_number = 0;
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macro_build ((char *) NULL, &icnt, &expr1,
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mask == M_ULH_A ? "lb" : "lbu", "t,o(b)", treg,
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(int) BFD_RELOC_LO16, AT);
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if (byte_order == BIG_ENDIAN)
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if (target_big_endian)
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expr1.X_add_number = 1;
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else
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expr1.X_add_number = 0;
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@ -5651,12 +5649,12 @@ macro2 (ip)
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case M_USH:
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if (offset_expr.X_add_number >= 0x7fff)
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as_bad ("operand overflow");
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if (byte_order == BIG_ENDIAN)
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if (target_big_endian)
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offset_expr.X_add_number += 1;
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macro_build ((char *) NULL, &icnt, &offset_expr, "sb", "t,o(b)", treg,
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(int) BFD_RELOC_LO16, breg);
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macro_build ((char *) NULL, &icnt, NULL, "srl", "d,w,<", AT, treg, 8);
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if (byte_order == BIG_ENDIAN)
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if (target_big_endian)
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offset_expr.X_add_number -= 1;
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else
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offset_expr.X_add_number += 1;
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@ -5676,11 +5674,11 @@ macro2 (ip)
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usw:
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if (offset_expr.X_add_number >= 0x8000 - off)
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as_bad ("operand overflow");
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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offset_expr.X_add_number += off;
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macro_build ((char *) NULL, &icnt, &offset_expr, s, "t,o(b)", treg,
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(int) BFD_RELOC_LO16, breg);
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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offset_expr.X_add_number -= off;
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else
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offset_expr.X_add_number += off;
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@ -5703,13 +5701,13 @@ macro2 (ip)
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL,
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mips_isa < 3 ? "addu" : "daddu",
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"d,v,t", AT, AT, breg);
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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expr1.X_add_number = off;
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else
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expr1.X_add_number = 0;
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macro_build ((char *) NULL, &icnt, &expr1, s, "t,o(b)", treg,
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(int) BFD_RELOC_LO16, AT);
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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expr1.X_add_number = 0;
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else
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expr1.X_add_number = off;
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@ -5723,19 +5721,19 @@ macro2 (ip)
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macro_build ((char *) NULL, &icnt, (expressionS *) NULL,
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mips_isa < 3 ? "addu" : "daddu",
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"d,v,t", AT, AT, breg);
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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expr1.X_add_number = 0;
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macro_build ((char *) NULL, &icnt, &expr1, "sb", "t,o(b)", treg,
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(int) BFD_RELOC_LO16, AT);
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macro_build ((char *) NULL, &icnt, NULL, "srl", "d,w,<", treg,
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treg, 8);
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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expr1.X_add_number = 1;
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else
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expr1.X_add_number = 0;
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macro_build ((char *) NULL, &icnt, &expr1, "sb", "t,o(b)", treg,
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(int) BFD_RELOC_LO16, AT);
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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expr1.X_add_number = 0;
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else
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expr1.X_add_number = 1;
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@ -6497,7 +6495,7 @@ mips_ip (str, ip)
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))
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{
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imm_expr.X_op = O_constant;
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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imm_expr.X_add_number =
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(((((((int) temp[3] << 8)
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| temp[2]) << 8)
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@ -7536,7 +7534,7 @@ md_atof (type, litP, sizeP)
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*sizeP = prec * 2;
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if (byte_order == LITTLE_ENDIAN)
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if (! target_big_endian)
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{
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for (i = prec - 1; i >= 0; i--)
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{
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@ -7562,19 +7560,10 @@ md_number_to_chars (buf, val, n)
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valueT val;
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int n;
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{
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switch (byte_order)
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{
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case LITTLE_ENDIAN:
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number_to_chars_littleendian (buf, val, n);
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break;
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case BIG_ENDIAN:
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number_to_chars_bigendian (buf, val, n);
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break;
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default:
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internalError ();
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}
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if (target_big_endian)
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number_to_chars_bigendian (buf, val, n);
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else
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number_to_chars_littleendian (buf, val, n);
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}
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CONST char *md_shortopts = "O::g::G:";
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@ -7990,15 +7979,6 @@ MIPS options:\n\
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-64 create 64 bit object file\n");
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#endif
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}
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void
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mips_init_after_args ()
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{
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if (target_big_endian)
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byte_order = BIG_ENDIAN;
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else
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byte_order = LITTLE_ENDIAN;
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}
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long
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md_pcrel_from (fixP)
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@ -8033,7 +8013,7 @@ cons_fix_new_mips (frag, where, nbytes, exp)
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4 byte reloc. */
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if (nbytes == 8 && ! mips_64)
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{
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if (byte_order == BIG_ENDIAN)
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if (target_big_endian)
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where += 4;
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nbytes = 4;
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}
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@ -8218,7 +8198,7 @@ md_apply_fix (fixP, valueP)
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value += 0x10000;
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value >>= 16;
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buf = (unsigned char *) fixP->fx_frag->fr_literal + fixP->fx_where;
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if (byte_order == BIG_ENDIAN)
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if (target_big_endian)
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buf += 2;
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md_number_to_chars (buf, value, 2);
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break;
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@ -8229,7 +8209,7 @@ md_apply_fix (fixP, valueP)
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if ((fixP->fx_addsy->bsym->flags & BSF_SECTION_SYM) == 0)
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value += fixP->fx_frag->fr_address + fixP->fx_where;
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buf = (unsigned char *) fixP->fx_frag->fr_literal + fixP->fx_where;
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if (byte_order == BIG_ENDIAN)
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if (target_big_endian)
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buf += 2;
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md_number_to_chars (buf, value, 2);
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break;
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@ -8249,7 +8229,7 @@ md_apply_fix (fixP, valueP)
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long hiv;
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w1 = w2 = fixP->fx_where;
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if (byte_order == BIG_ENDIAN)
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if (target_big_endian)
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w1 += 4;
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else
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w2 += 4;
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@ -8293,7 +8273,7 @@ md_apply_fix (fixP, valueP)
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as_bad_where (fixP->fx_file, fixP->fx_line,
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"relocation overflow");
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buf = (unsigned char *) fixP->fx_frag->fr_literal + fixP->fx_where;
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if (byte_order == BIG_ENDIAN)
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if (target_big_endian)
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buf += 2;
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md_number_to_chars (buf, value, 2);
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}
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@ -8312,20 +8292,10 @@ md_apply_fix (fixP, valueP)
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/* update old instruction data */
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buf = (unsigned char *) (fixP->fx_where + fixP->fx_frag->fr_literal);
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switch (byte_order)
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{
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case LITTLE_ENDIAN:
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insn = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
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break;
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case BIG_ENDIAN:
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insn = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
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break;
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default:
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internalError ();
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return 0;
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}
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if (target_big_endian)
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insn = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
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else
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insn = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
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if (value >= -0x8000 && value < 0x8000)
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insn |= value & 0xffff;
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@ -9718,17 +9688,10 @@ md_convert_frag (abfd, asec, fragp)
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buf = (bfd_byte *) (fragp->fr_literal + fragp->fr_fix);
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switch (byte_order)
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{
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default:
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internalError ();
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case LITTLE_ENDIAN:
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insn = bfd_getl16 (buf);
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break;
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case BIG_ENDIAN:
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insn = bfd_getb16 (buf);
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break;
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}
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if (target_big_endian)
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insn = bfd_getb16 (buf);
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else
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insn = bfd_getl16 (buf);
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mips16_immed (fragp->fr_file, fragp->fr_line, type, val, false, small,
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ext, &insn, &use_extend, &extend);
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