diff options
Diffstat (limited to 'contrib/binutils/gas')
-rw-r--r-- | contrib/binutils/gas/conf.in | 127 | ||||
-rw-r--r-- | contrib/binutils/gas/config/atof-vax.c | 517 | ||||
-rw-r--r-- | contrib/binutils/gas/config/i386coff.mt | 1 | ||||
-rw-r--r-- | contrib/binutils/gas/config/sco5.mt | 1 | ||||
-rw-r--r-- | contrib/binutils/gas/config/te-freebsd.h | 8 | ||||
-rw-r--r-- | contrib/binutils/gas/ehopt.c | 39 |
6 files changed, 2 insertions, 691 deletions
diff --git a/contrib/binutils/gas/conf.in b/contrib/binutils/gas/conf.in deleted file mode 100644 index d56807cd88d5..000000000000 --- a/contrib/binutils/gas/conf.in +++ /dev/null @@ -1,127 +0,0 @@ -/* conf.in. Generated automatically from configure.in by autoheader. */ - -/* Define if using alloca.c. */ -#undef C_ALLOCA - -/* Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP systems. - This function is required for alloca.c support on those systems. */ -#undef CRAY_STACKSEG_END - -/* Define if you have alloca, as a function or macro. */ -#undef HAVE_ALLOCA - -/* Define if you have <alloca.h> and it should be used (not on Ultrix). */ -#undef HAVE_ALLOCA_H - -/* Define as __inline if that's what the C compiler calls it. */ -#undef inline - -/* If using the C implementation of alloca, define if you know the - direction of stack growth for your system; otherwise it will be - automatically deduced at run-time. - STACK_DIRECTION > 0 => grows toward higher addresses - STACK_DIRECTION < 0 => grows toward lower addresses - STACK_DIRECTION = 0 => direction of growth unknown - */ -#undef STACK_DIRECTION - -/* Should gas use high-level BFD interfaces? */ -#undef BFD_ASSEMBLER - -/* Some assert/preprocessor combinations are incapable of handling - certain kinds of constructs in the argument of assert. For example, - quoted strings (if requoting isn't done right) or newlines. */ -#undef BROKEN_ASSERT - -/* If we aren't doing cross-assembling, some operations can be optimized, - since byte orders and value sizes don't need to be adjusted. */ -#undef CROSS_COMPILE - -/* Some gas code wants to know these parameters. */ -#undef TARGET_ALIAS -#undef TARGET_CPU -#undef TARGET_CANONICAL -#undef TARGET_OS -#undef TARGET_VENDOR - -/* Sometimes the system header files don't declare strstr. */ -#undef NEED_DECLARATION_STRSTR - -/* Sometimes the system header files don't declare malloc and realloc. */ -#undef NEED_DECLARATION_MALLOC - -/* Sometimes the system header files don't declare free. */ -#undef NEED_DECLARATION_FREE - -/* Sometimes the system header files don't declare sbrk. */ -#undef NEED_DECLARATION_SBRK - -/* Sometimes errno.h doesn't declare errno itself. */ -#undef NEED_DECLARATION_ERRNO - -#undef MANY_SEGMENTS - -/* Needed only for sparc configuration. */ -#undef SPARC_V9 -#undef SPARC_ARCH64 - -/* Defined if using CGEN. */ -#undef USING_CGEN - -/* Needed only for some configurations that can produce multiple output - formats. */ -#undef DEFAULT_EMULATION -#undef EMULATIONS -#undef USE_EMULATIONS -#undef OBJ_MAYBE_AOUT -#undef OBJ_MAYBE_BOUT -#undef OBJ_MAYBE_COFF -#undef OBJ_MAYBE_ECOFF -#undef OBJ_MAYBE_ELF -#undef OBJ_MAYBE_GENERIC -#undef OBJ_MAYBE_HP300 -#undef OBJ_MAYBE_IEEE -#undef OBJ_MAYBE_SOM -#undef OBJ_MAYBE_VMS - -/* Used for some of the COFF configurations, when the COFF code needs - to select something based on the CPU type before it knows it... */ -#undef I386COFF -#undef M68KCOFF -#undef M88KCOFF - -/* Define if you have the remove function. */ -#undef HAVE_REMOVE - -/* Define if you have the sbrk function. */ -#undef HAVE_SBRK - -/* Define if you have the unlink function. */ -#undef HAVE_UNLINK - -/* Define if you have the <errno.h> header file. */ -#undef HAVE_ERRNO_H - -/* Define if you have the <memory.h> header file. */ -#undef HAVE_MEMORY_H - -/* Define if you have the <stdarg.h> header file. */ -#undef HAVE_STDARG_H - -/* Define if you have the <stdlib.h> header file. */ -#undef HAVE_STDLIB_H - -/* Define if you have the <string.h> header file. */ -#undef HAVE_STRING_H - -/* Define if you have the <strings.h> header file. */ -#undef HAVE_STRINGS_H - -/* Define if you have the <sys/types.h> header file. */ -#undef HAVE_SYS_TYPES_H - -/* Define if you have the <unistd.h> header file. */ -#undef HAVE_UNISTD_H - -/* Define if you have the <varargs.h> header file. */ -#undef HAVE_VARARGS_H diff --git a/contrib/binutils/gas/config/atof-vax.c b/contrib/binutils/gas/config/atof-vax.c deleted file mode 100644 index 8ba290faca83..000000000000 --- a/contrib/binutils/gas/config/atof-vax.c +++ /dev/null @@ -1,517 +0,0 @@ -/* atof_vax.c - turn a Flonum into a VAX floating point number - Copyright (C) 1987, 1992, 93, 95, 1997 Free Software Foundation, Inc. - - This file is part of GAS, the GNU Assembler. - - GAS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - GAS is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with GAS; see the file COPYING. If not, write to the Free - Software Foundation, 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ - -#include "as.h" - -static int atof_vax_sizeof PARAMS ((int)); -static int next_bits PARAMS ((int)); -static void make_invalid_floating_point_number PARAMS ((LITTLENUM_TYPE *)); -static int what_kind_of_float PARAMS ((int, int *, long *)); -static char *atof_vax PARAMS ((char *, int, LITTLENUM_TYPE *)); - -/* Precision in LittleNums. */ -#define MAX_PRECISION (8) -#define H_PRECISION (8) -#define G_PRECISION (4) -#define D_PRECISION (4) -#define F_PRECISION (2) - -/* Length in LittleNums of guard bits. */ -#define GUARD (2) - -int flonum_gen2vax PARAMS ((int format_letter, FLONUM_TYPE * f, - LITTLENUM_TYPE * words)); - -/* Number of chars in flonum type 'letter'. */ -static int -atof_vax_sizeof (letter) - int letter; -{ - int return_value; - - /* - * Permitting uppercase letters is probably a bad idea. - * Please use only lower-cased letters in case the upper-cased - * ones become unsupported! - */ - switch (letter) - { - case 'f': - case 'F': - return_value = 4; - break; - - case 'd': - case 'D': - case 'g': - case 'G': - return_value = 8; - break; - - case 'h': - case 'H': - return_value = 16; - break; - - default: - return_value = 0; - break; - } - return (return_value); -} /* atof_vax_sizeof */ - -static const long mask[] = -{ - 0x00000000, - 0x00000001, - 0x00000003, - 0x00000007, - 0x0000000f, - 0x0000001f, - 0x0000003f, - 0x0000007f, - 0x000000ff, - 0x000001ff, - 0x000003ff, - 0x000007ff, - 0x00000fff, - 0x00001fff, - 0x00003fff, - 0x00007fff, - 0x0000ffff, - 0x0001ffff, - 0x0003ffff, - 0x0007ffff, - 0x000fffff, - 0x001fffff, - 0x003fffff, - 0x007fffff, - 0x00ffffff, - 0x01ffffff, - 0x03ffffff, - 0x07ffffff, - 0x0fffffff, - 0x1fffffff, - 0x3fffffff, - 0x7fffffff, - 0xffffffff -}; - - -/* Shared between flonum_gen2vax and next_bits */ -static int bits_left_in_littlenum; -static LITTLENUM_TYPE *littlenum_pointer; -static LITTLENUM_TYPE *littlenum_end; - -static int -next_bits (number_of_bits) - int number_of_bits; -{ - int return_value; - - if (littlenum_pointer < littlenum_end) - return 0; - if (number_of_bits >= bits_left_in_littlenum) - { - return_value = mask[bits_left_in_littlenum] & *littlenum_pointer; - number_of_bits -= bits_left_in_littlenum; - return_value <<= number_of_bits; - bits_left_in_littlenum = LITTLENUM_NUMBER_OF_BITS - number_of_bits; - littlenum_pointer--; - if (littlenum_pointer >= littlenum_end) - return_value |= ((*littlenum_pointer) >> (bits_left_in_littlenum)) & mask[number_of_bits]; - } - else - { - bits_left_in_littlenum -= number_of_bits; - return_value = mask[number_of_bits] & ((*littlenum_pointer) >> bits_left_in_littlenum); - } - return (return_value); -} - -static void -make_invalid_floating_point_number (words) - LITTLENUM_TYPE *words; -{ - *words = 0x8000; /* Floating Reserved Operand Code */ -} - -static int /* 0 means letter is OK. */ -what_kind_of_float (letter, precisionP, exponent_bitsP) - int letter; /* In: lowercase please. What kind of float? */ - int *precisionP; /* Number of 16-bit words in the float. */ - long *exponent_bitsP; /* Number of exponent bits. */ -{ - int retval; /* 0: OK. */ - - retval = 0; - switch (letter) - { - case 'f': - *precisionP = F_PRECISION; - *exponent_bitsP = 8; - break; - - case 'd': - *precisionP = D_PRECISION; - *exponent_bitsP = 8; - break; - - case 'g': - *precisionP = G_PRECISION; - *exponent_bitsP = 11; - break; - - case 'h': - *precisionP = H_PRECISION; - *exponent_bitsP = 15; - break; - - default: - retval = 69; - break; - } - return (retval); -} - -/***********************************************************************\ - * * - * Warning: this returns 16-bit LITTLENUMs, because that is * - * what the VAX thinks in. It is up to the caller to figure * - * out any alignment problems and to conspire for the bytes/word * - * to be emitted in the right order. Bigendians beware! * - * * - \***********************************************************************/ - -static char * /* Return pointer past text consumed. */ -atof_vax (str, what_kind, words) - char *str; /* Text to convert to binary. */ - int what_kind; /* 'd', 'f', 'g', 'h' */ - LITTLENUM_TYPE *words; /* Build the binary here. */ -{ - FLONUM_TYPE f; - LITTLENUM_TYPE bits[MAX_PRECISION + MAX_PRECISION + GUARD]; - /* Extra bits for zeroed low-order bits. */ - /* The 1st MAX_PRECISION are zeroed, */ - /* the last contain flonum bits. */ - char *return_value; - int precision; /* Number of 16-bit words in the format. */ - long exponent_bits; - - return_value = str; - f.low = bits + MAX_PRECISION; - f.high = NULL; - f.leader = NULL; - f.exponent = 0; - f.sign = '\0'; - - if (what_kind_of_float (what_kind, &precision, &exponent_bits)) - { - return_value = NULL; /* We lost. */ - make_invalid_floating_point_number (words); - } - - if (return_value) - { - memset (bits, '\0', sizeof (LITTLENUM_TYPE) * MAX_PRECISION); - - /* Use more LittleNums than seems */ - /* necessary: the highest flonum may have */ - /* 15 leading 0 bits, so could be useless. */ - f.high = f.low + precision - 1 + GUARD; - - if (atof_generic (&return_value, ".", "eE", &f)) - { - make_invalid_floating_point_number (words); - return_value = NULL; /* we lost */ - } - else - { - if (flonum_gen2vax (what_kind, &f, words)) - { - return_value = NULL; - } - } - } - return (return_value); -} /* atof_vax() */ - -/* - * In: a flonum, a vax floating point format. - * Out: a vax floating-point bit pattern. - */ - -int /* 0: OK. */ -flonum_gen2vax (format_letter, f, words) - char format_letter; /* One of 'd' 'f' 'g' 'h'. */ - FLONUM_TYPE *f; - LITTLENUM_TYPE *words; /* Deliver answer here. */ -{ - LITTLENUM_TYPE *lp; - int precision; - long exponent_bits; - int return_value; /* 0 == OK. */ - - return_value = what_kind_of_float (format_letter, &precision, &exponent_bits); - - if (return_value != 0) - { - make_invalid_floating_point_number (words); - } - else - { - if (f->low > f->leader) - { - /* 0.0e0 seen. */ - memset (words, '\0', sizeof (LITTLENUM_TYPE) * precision); - } - else - { - long exponent_1; - long exponent_2; - long exponent_3; - long exponent_4; - int exponent_skippage; - LITTLENUM_TYPE word1; - - /* JF: Deal with new Nan, +Inf and -Inf codes */ - if (f->sign != '-' && f->sign != '+') - { - make_invalid_floating_point_number (words); - return return_value; - } - /* - * All vaxen floating_point formats (so far) have: - * Bit 15 is sign bit. - * Bits 14:n are excess-whatever exponent. - * Bits n-1:0 (if any) are most significant bits of fraction. - * Bits 15:0 of the next word are the next most significant bits. - * And so on for each other word. - * - * All this to be compatible with a KF11?? (Which is still faster - * than lots of vaxen I can think of, but it also has higher - * maintenance costs ... sigh). - * - * So we need: number of bits of exponent, number of bits of - * mantissa. - */ - -#ifdef NEVER /******* This zeroing seems redundant - Dean 3may86 **********/ - /* - * No matter how few bits we got back from the atof() - * routine, add enough zero littlenums so the rest of the - * code won't run out of "significant" bits in the mantissa. - */ - { - LITTLENUM_TYPE *ltp; - for (ltp = f->leader + 1; - ltp <= f->low + precision; - ltp++) - { - *ltp = 0; - } - } -#endif - - bits_left_in_littlenum = LITTLENUM_NUMBER_OF_BITS; - littlenum_pointer = f->leader; - littlenum_end = f->low; - /* Seek (and forget) 1st significant bit */ - for (exponent_skippage = 0; - !next_bits (1); - exponent_skippage++);; - - exponent_1 = f->exponent + f->leader + 1 - f->low; - /* Radix LITTLENUM_RADIX, point just higher than f->leader. */ - exponent_2 = exponent_1 * LITTLENUM_NUMBER_OF_BITS; - /* Radix 2. */ - exponent_3 = exponent_2 - exponent_skippage; - /* Forget leading zeros, forget 1st bit. */ - exponent_4 = exponent_3 + (1 << (exponent_bits - 1)); - /* Offset exponent. */ - - if (exponent_4 & ~mask[exponent_bits]) - { - /* - * Exponent overflow. Lose immediately. - */ - - make_invalid_floating_point_number (words); - - /* - * We leave return_value alone: admit we read the - * number, but return a floating exception - * because we can't encode the number. - */ - } - else - { - lp = words; - - /* Word 1. Sign, exponent and perhaps high bits. */ - /* Assume 2's complement integers. */ - word1 = (((exponent_4 & mask[exponent_bits]) << (15 - exponent_bits)) - | ((f->sign == '+') ? 0 : 0x8000) - | next_bits (15 - exponent_bits)); - *lp++ = word1; - - /* The rest of the words are just mantissa bits. */ - for (; lp < words + precision; lp++) - { - *lp = next_bits (LITTLENUM_NUMBER_OF_BITS); - } - - if (next_bits (1)) - { - /* - * Since the NEXT bit is a 1, round UP the mantissa. - * The cunning design of these hidden-1 floats permits - * us to let the mantissa overflow into the exponent, and - * it 'does the right thing'. However, we lose if the - * highest-order bit of the lowest-order word flips. - * Is that clear? - */ - - unsigned long carry; - - /* - #if (sizeof(carry)) < ((sizeof(bits[0]) * BITS_PER_CHAR) + 2) - Please allow at least 1 more bit in carry than is in a LITTLENUM. - We need that extra bit to hold a carry during a LITTLENUM carry - propagation. Another extra bit (kept 0) will assure us that we - don't get a sticky sign bit after shifting right, and that - permits us to propagate the carry without any masking of bits. - #endif - */ - for (carry = 1, lp--; - carry && (lp >= words); - lp--) - { - carry = *lp + carry; - *lp = carry; - carry >>= LITTLENUM_NUMBER_OF_BITS; - } - - if ((word1 ^ *words) & (1 << (LITTLENUM_NUMBER_OF_BITS - 1))) - { - make_invalid_floating_point_number (words); - /* - * We leave return_value alone: admit we read the - * number, but return a floating exception - * because we can't encode the number. - */ - } - } /* if (we needed to round up) */ - } /* if (exponent overflow) */ - } /* if (0.0e0) */ - } /* if (float_type was OK) */ - return (return_value); -} /* flonum_gen2vax() */ - - -/* JF this used to be in vax.c but this looks like a better place for it */ - -/* - * md_atof() - * - * In: input_line_pointer->the 1st character of a floating-point - * number. - * 1 letter denoting the type of statement that wants a - * binary floating point number returned. - * Address of where to build floating point literal. - * Assumed to be 'big enough'. - * Address of where to return size of literal (in chars). - * - * Out: Input_line_pointer->of next char after floating number. - * Error message, or 0. - * Floating point literal. - * Number of chars we used for the literal. - */ - -#define MAXIMUM_NUMBER_OF_LITTLENUMS (8) /* For .hfloats. */ - -char * -md_atof (what_statement_type, literalP, sizeP) - int what_statement_type; - char *literalP; - int *sizeP; -{ - LITTLENUM_TYPE words[MAXIMUM_NUMBER_OF_LITTLENUMS]; - register char kind_of_float; - register int number_of_chars; - register LITTLENUM_TYPE *littlenumP; - - switch (what_statement_type) - { - case 'F': /* .float */ - case 'f': /* .ffloat */ - kind_of_float = 'f'; - break; - - case 'D': /* .double */ - case 'd': /* .dfloat */ - kind_of_float = 'd'; - break; - - case 'g': /* .gfloat */ - kind_of_float = 'g'; - break; - - case 'h': /* .hfloat */ - kind_of_float = 'h'; - break; - - default: - kind_of_float = 0; - break; - }; - - if (kind_of_float) - { - register LITTLENUM_TYPE *limit; - - input_line_pointer = atof_vax (input_line_pointer, - kind_of_float, - words); - /* - * The atof_vax() builds up 16-bit numbers. - * Since the assembler may not be running on - * a little-endian machine, be very careful about - * converting words to chars. - */ - number_of_chars = atof_vax_sizeof (kind_of_float); - know (number_of_chars <= MAXIMUM_NUMBER_OF_LITTLENUMS * sizeof (LITTLENUM_TYPE)); - limit = words + (number_of_chars / sizeof (LITTLENUM_TYPE)); - for (littlenumP = words; littlenumP < limit; littlenumP++) - { - md_number_to_chars (literalP, *littlenumP, sizeof (LITTLENUM_TYPE)); - literalP += sizeof (LITTLENUM_TYPE); - }; - } - else - { - number_of_chars = 0; - }; - - *sizeP = number_of_chars; - return kind_of_float ? 0 : "Bad call to md_atof()"; -} - -/* end of atof-vax.c */ diff --git a/contrib/binutils/gas/config/i386coff.mt b/contrib/binutils/gas/config/i386coff.mt deleted file mode 100644 index efda83365181..000000000000 --- a/contrib/binutils/gas/config/i386coff.mt +++ /dev/null @@ -1 +0,0 @@ -TDEFINES=-DI386COFF diff --git a/contrib/binutils/gas/config/sco5.mt b/contrib/binutils/gas/config/sco5.mt deleted file mode 100644 index 8879320c4e1e..000000000000 --- a/contrib/binutils/gas/config/sco5.mt +++ /dev/null @@ -1 +0,0 @@ -TDEFINES=-DSCO_ELF diff --git a/contrib/binutils/gas/config/te-freebsd.h b/contrib/binutils/gas/config/te-freebsd.h deleted file mode 100644 index 13142359dcd7..000000000000 --- a/contrib/binutils/gas/config/te-freebsd.h +++ /dev/null @@ -1,8 +0,0 @@ -/* - * Target environment for FreeBSD. It is the same as the generic - * target, except it arranges to suppress the use of "/" as a comment - * character. Some code in the FreeBSD kernel uses "/" to mean - * division. (What a concept.) - */ -#define TE_FreeBSD 1 -#include "te-generic.h" diff --git a/contrib/binutils/gas/ehopt.c b/contrib/binutils/gas/ehopt.c index a0a5f62f4d7a..068e8242f5c2 100644 --- a/contrib/binutils/gas/ehopt.c +++ b/contrib/binutils/gas/ehopt.c @@ -261,52 +261,17 @@ check_eh_frame (exp, pnbytes) expressionS *exp; unsigned int *pnbytes; { - static int saw_size; - static symbolS *size_end_sym; static int saw_advance_loc4; static fragS *loc4_frag; static int loc4_fix; - if (saw_size - && S_IS_DEFINED (size_end_sym)) - { - /* We have come to the end of the CIE or FDE. See below where - we set saw_size. We must check this first because we may now - be looking at the next size. */ - saw_size = 0; - saw_advance_loc4 = 0; - } - if (flag_traditional_format) { /* Don't optimize. */ } else if (strcmp (segment_name (now_seg), ".eh_frame") != 0) - { - saw_size = 0; - saw_advance_loc4 = 0; - } - else if (! saw_size - && *pnbytes == 4) - { - /* This might be the size of the CIE or FDE. We want to know - the size so that we don't accidentally optimize across an FDE - boundary. We recognize the size in one of two forms: a - symbol which will later be defined as a difference, or a - subtraction of two symbols. Either way, we can tell when we - are at the end of the FDE because the symbol becomes defined - (in the case of a subtraction, the end symbol, from which the - start symbol is being subtracted). Other ways of describing - the size will not be optimized. */ - if ((exp->X_op == O_symbol || exp->X_op == O_subtract) - && ! S_IS_DEFINED (exp->X_add_symbol)) - { - saw_size = 1; - size_end_sym = exp->X_add_symbol; - } - } - else if (saw_size - && *pnbytes == 1 + saw_advance_loc4 = 0; + else if (*pnbytes == 1 && exp->X_op == O_constant && exp->X_add_number == DW_CFA_advance_loc4) { |