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- /* bfd back-end for HP PA-RISC SOM objects.
- Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
-
- Contributed by the Center for Software Science at the
- University of Utah (pa-gdb-bugs@cs.utah.edu).
-
- This file is part of BFD, the Binary File Descriptor library.
-
- This program 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 of the License, or
- (at your option) any later version.
-
- This program 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "bfd.h"
- #include "sysdep.h"
-
- /* @@FIXME This is not a reasonable set of conditions to permit
- cross-compilation, obviously. It also isn't enough to support hppa-elf
- targets either. Can we eliminate the HPUX or BSD dependencies, or
- at least get the conditionals more localized? */
- #if defined (HOST_HPPAHPUX) || defined (HOST_HPPABSD)
-
- #include "libbfd.h"
- #include "libhppa.h"
-
- #include <stdio.h>
- #include <sys/types.h>
- #include <sys/param.h>
- #include <sys/dir.h>
- #include <signal.h>
- #include <machine/reg.h>
- #include <sys/user.h> /* After a.out.h */
- #include <sys/file.h>
- #include <errno.h>
-
- /* Magic not defined in standard HP-UX header files until 8.0 */
-
- #ifndef CPU_PA_RISC1_0
- #define CPU_PA_RISC1_0 0x20B
- #endif /* CPU_PA_RISC1_0 */
-
- #ifndef CPU_PA_RISC1_1
- #define CPU_PA_RISC1_1 0x210
- #endif /* CPU_PA_RISC1_1 */
-
- #ifndef _PA_RISC1_0_ID
- #define _PA_RISC1_0_ID CPU_PA_RISC1_0
- #endif /* _PA_RISC1_0_ID */
-
- #ifndef _PA_RISC1_1_ID
- #define _PA_RISC1_1_ID CPU_PA_RISC1_1
- #endif /* _PA_RISC1_1_ID */
-
- #ifndef _PA_RISC_MAXID
- #define _PA_RISC_MAXID 0x2FF
- #endif /* _PA_RISC_MAXID */
-
- #ifndef _PA_RISC_ID
- #define _PA_RISC_ID(__m_num) \
- (((__m_num) == _PA_RISC1_0_ID) || \
- ((__m_num) >= _PA_RISC1_1_ID && (__m_num) <= _PA_RISC_MAXID))
- #endif /* _PA_RISC_ID */
-
- struct container {
- struct header f;
- struct som_exec_auxhdr e;
- };
-
- static bfd_target *
- hppa_object_setup (abfd, file_hdrp, aux_hdrp)
- bfd *abfd;
- struct header *file_hdrp;
- struct som_exec_auxhdr *aux_hdrp;
- {
- struct container *rawptr;
- struct header *f;
- struct hppa_data_struct *rawptr1;
- asection *text, *data, *bss;
-
- rawptr = (struct container *) bfd_zalloc (abfd, sizeof (struct container));
- if (rawptr == NULL) {
- bfd_error = no_memory;
- return 0;
- }
-
- rawptr1 = (struct hppa_data_struct *) bfd_zalloc (abfd, sizeof (struct hppa_data_struct));
- if (rawptr1 == NULL) {
- bfd_error = no_memory;
- return 0;
- }
-
- abfd->tdata.hppa_data = rawptr1;
- obj_file_hdr (abfd) = &rawptr->f;
- obj_aux_hdr (abfd) = &rawptr->e;
- *obj_file_hdr (abfd) = *file_hdrp;
- *obj_aux_hdr (abfd) = *aux_hdrp;
-
- /* Set the file flags */
- abfd->flags = NO_FLAGS;
- if (file_hdrp->entry_offset)
- abfd->flags |= HAS_RELOC;
- if (file_hdrp->symbol_total)
- abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
-
- bfd_get_start_address (abfd) = aux_hdrp->exec_entry;
-
- obj_pa_symbols (abfd) = (hppa_symbol_type *)NULL;
- bfd_get_symcount (abfd) = file_hdrp->symbol_total;
-
- bfd_default_set_arch_mach(abfd, bfd_arch_hppa, 0);
-
- /* create the sections. This is raunchy, but bfd_close wants to reclaim
- them */
-
- text = bfd_make_section(abfd, ".text");
- data = bfd_make_section(abfd, ".data");
- bss = bfd_make_section(abfd, ".bss");
-
- text->_raw_size = aux_hdrp->exec_tsize;
- data->_raw_size = aux_hdrp->exec_dsize;
- bss->_raw_size = aux_hdrp->exec_bsize;
-
- text->flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS);
- data->flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS);
- bss->flags = SEC_ALLOC;
-
- /* The virtual memory addresses of the sections */
- text->vma = aux_hdrp->exec_tmem;
- data->vma = aux_hdrp->exec_dmem;
- bss->vma = aux_hdrp->exec_bfill;
-
- /* The file offsets of the sections */
- text->filepos = aux_hdrp->exec_tfile;
- data->filepos = aux_hdrp->exec_dfile;
-
- /* The file offsets of the relocation info */
- text->rel_filepos = 0;
- data->rel_filepos = 0;
-
- /* The file offsets of the string table and symbol table. */
- obj_sym_filepos (abfd) = file_hdrp->symbol_location;
- bfd_get_symcount (abfd) = file_hdrp->symbol_total;
- obj_str_filepos (abfd) = file_hdrp->symbol_strings_location;
- obj_stringtab_size (abfd) = file_hdrp->symbol_strings_size;
-
- return abfd->xvec;
- }
-
- /* Create a new BFD section for NAME. If NAME already exists, then create a
- new unique name, with NAME as the prefix. This exists because SOM .o files
- created by the native compiler can have a $CODE$ section for each
- subroutine.
- */
-
- static asection *
- make_unique_section (abfd, name, num)
- bfd *abfd;
- CONST char *name;
- int num;
- {
- asection *sect;
- char *newname;
- char altname[100];
-
- sect = bfd_make_section (abfd, name);
- while (!sect)
- {
- sprintf(altname, "%s-%d", name, num++);
- sect = bfd_make_section (abfd, altname);
- }
-
- newname = bfd_alloc (abfd, strlen(sect->name) + 1);
- strcpy (newname, sect->name);
-
- sect->name = newname;
- return sect;
- }
-
- /* Convert all of the space and subspace info into BFD sections. Each space
- contains a number of subspaces, which in turn describe the mapping between
- regions of the exec file, and the address space that the program runs in.
- BFD sections which correspond to spaces will overlap the sections for the
- associated subspaces. */
-
- static int
- setup_sections (abfd, file_hdr)
- bfd *abfd;
- struct header *file_hdr;
- {
- char *space_strings;
- int space_index;
-
- /* First, read in space names */
-
- space_strings = alloca (file_hdr->space_strings_size);
- if (!space_strings)
- return 0;
-
- if (bfd_seek (abfd, file_hdr->space_strings_location, SEEK_SET) < 0)
- return 0;
- if (bfd_read (space_strings, 1, file_hdr->space_strings_size, abfd)
- != file_hdr->space_strings_size)
- return 0;
-
- /* Loop over all of the space dictionaries, building up sections */
-
- for (space_index = 0; space_index < file_hdr->space_total; space_index++)
- {
- struct space_dictionary_record space;
- struct subspace_dictionary_record subspace;
- int subspace_index, tmp;
- asection *space_asect;
-
- /* Read the space dictionary element */
- if (bfd_seek (abfd, file_hdr->space_location
- + space_index * sizeof space, SEEK_SET) < 0)
- return 0;
- if (bfd_read (&space, 1, sizeof space, abfd) != sizeof space)
- return 0;
-
- /* Setup the space name string */
- space.name.n_name = space.name.n_strx + space_strings;
-
- /* Make a section out of it */
- space_asect = make_unique_section (abfd, space.name.n_name, space_index);
- if (!space_asect)
- return 0;
-
- /* Now, read in the first subspace for this space */
- if (bfd_seek (abfd, file_hdr->subspace_location
- + space.subspace_index * sizeof subspace,
- SEEK_SET) < 0)
- return 0;
- if (bfd_read (&subspace, 1, sizeof subspace, abfd) != sizeof subspace)
- return 0;
- /* Seek back to the start of the subspaces for loop below */
- if (bfd_seek (abfd, file_hdr->subspace_location
- + space.subspace_index * sizeof subspace,
- SEEK_SET) < 0)
- return 0;
-
- /* Setup the section flags as appropriate (this is somewhat bogus, as
- there isn't a clear mapping between what's in the space record, and
- what BFD can describe here). */
- if (space.is_loadable)
- space_asect->flags |= SEC_ALLOC;
- if (space.is_defined)
- space_asect->flags |= SEC_LOAD;
-
- /* Setup the start address and file loc from the first subspace record */
- space_asect->vma = subspace.subspace_start;
- space_asect->filepos = subspace.file_loc_init_value;
- space_asect->alignment_power = subspace.alignment;
-
- /* Loop over the rest of the subspaces, building up more sections */
- for (subspace_index = 0; subspace_index < space.subspace_quantity;
- subspace_index++)
- {
- asection *subspace_asect;
-
- /* Read in the next subspace */
- if (bfd_read (&subspace, 1, sizeof subspace, abfd)
- != sizeof subspace)
- return 0;
-
- /* Setup the subspace name string */
- subspace.name.n_name = subspace.name.n_strx + space_strings;
-
- /* Make a section out of this subspace */
- subspace_asect = make_unique_section (abfd, subspace.name.n_name,
- space.subspace_index + subspace_index);
-
- if (!subspace_asect)
- return 0;
-
- if (subspace.is_loadable)
- subspace_asect->flags |= SEC_ALLOC | SEC_LOAD;
- if (subspace.code_only)
- subspace_asect->flags |= SEC_CODE;
-
- subspace_asect->vma = subspace.subspace_start;
- subspace_asect->_cooked_size = subspace.subspace_length;
- subspace_asect->_raw_size = subspace.initialization_length;
- subspace_asect->alignment_power = subspace.alignment;
- subspace_asect->filepos = subspace.file_loc_init_value;
-
- }
- /* Setup the sizes for the space section based upon the info in the
- last subspace of the space. */
- space_asect->_cooked_size = (subspace.subspace_start - space_asect->vma)
- + subspace.subspace_length;
- space_asect->_raw_size = (subspace.file_loc_init_value
- - space_asect->filepos)
- + subspace.initialization_length;
- }
- }
-
- static bfd_target *
- hppa_object_p (abfd)
- bfd *abfd;
- {
- struct header file_hdr;
- struct som_exec_auxhdr aux_hdr;
-
- if (bfd_read ((PTR) &file_hdr, 1, FILE_HDR_SIZE, abfd) != FILE_HDR_SIZE)
- return 0;
-
- if (!_PA_RISC_ID (file_hdr.system_id))
- {
- bfd_error = wrong_format;
- return 0;
- }
-
- switch (file_hdr.a_magic)
- {
- case RELOC_MAGIC: /* I'm not really sure about all of these types... */
- case EXEC_MAGIC:
- case SHARE_MAGIC:
- case DEMAND_MAGIC:
- #ifdef DL_MAGIC
- case DL_MAGIC:
- #endif
- #ifdef SHL_MAGIC
- case SHL_MAGIC:
- #endif
- break;
- default:
- bfd_error = wrong_format;
- return 0;
- }
-
- if (file_hdr.version_id != VERSION_ID
- && file_hdr.version_id != NEW_VERSION_ID)
- {
- bfd_error = wrong_format;
- return 0;
- }
-
- if (bfd_read ((PTR) &aux_hdr, 1, AUX_HDR_SIZE, abfd) != AUX_HDR_SIZE)
- bfd_error = wrong_format;
-
- if (!setup_sections (abfd, &file_hdr))
- return 0;
-
- return hppa_object_setup(abfd, &file_hdr, &aux_hdr);
- }
-
- static boolean
- DEFUN(hppa_mkobject,(abfd),
- bfd *abfd)
- {
- fprintf (stderr, "hppa_mkobject unimplemented\n");
- fflush (stderr);
- abort ();
- return (false);
- }
-
- boolean
- DEFUN(hppa_write_object_contents,(abfd),
- bfd *abfd)
- {
- fprintf (stderr, "hppa_write_object_contents unimplemented\n");
- fflush (stderr);
- abort ();
- return (false);
- }
-
- static unsigned int
- hppa_get_symtab_upper_bound (abfd)
- bfd *abfd;
- {
- fprintf (stderr, "hppa_get_symtab_upper_bound unimplemented\n");
- fflush (stderr);
- abort ();
- return (0);
- }
-
- static unsigned int
- hppa_get_reloc_upper_bound (abfd, asect)
- bfd *abfd;
- sec_ptr asect;
- {
- fprintf (stderr, "hppa_get_reloc_upper_bound unimplemented\n");
- fflush (stderr);
- abort ();
- return (0);
- }
-
- static unsigned int
- hppa_canonicalize_reloc (abfd, section, relptr, symbols)
- bfd *abfd;
- sec_ptr section;
- arelent **relptr;
- asymbol **symbols;
- {
- fprintf (stderr, "hppa_canonicalize_reloc unimplemented\n");
- fflush (stderr);
- abort ();
- }
-
- extern bfd_target hppa_vec;
-
- static unsigned int
- hppa_get_symtab (abfd, location)
- bfd *abfd;
- asymbol **location;
- {
- fprintf (stderr, "hppa_get_symtab unimplemented\n");
- fflush (stderr);
- abort ();
- return (0);
- }
-
- static asymbol *
- hppa_make_empty_symbol (abfd)
- bfd *abfd;
- {
- hppa_symbol_type *new =
- (hppa_symbol_type *)bfd_zalloc (abfd, sizeof (hppa_symbol_type));
- new->symbol.the_bfd = abfd;
-
- return &new->symbol;
- }
-
- static void
- hppa_print_symbol (ignore_abfd, afile, symbol, how)
- bfd *ignore_abfd;
- PTR afile;
- asymbol *symbol;
- bfd_print_symbol_type how;
- {
- fprintf (stderr, "hppa_print_symbol unimplemented\n");
- fflush (stderr);
- abort ();
- }
-
- static boolean
- hppa_new_section_hook (abfd, newsect)
- bfd *abfd;
- asection *newsect;
- {
- newsect->alignment_power = 3;
-
- /* We allow more than three sections internally */
- return true;
- }
-
- static boolean
- hppa_set_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- PTR location;
- file_ptr offset;
- bfd_size_type count;
- {
- fprintf (stderr, "hppa_set_section_contents unimplimented\n");
- fflush (stderr);
- abort();
- return false;
- }
-
- static boolean
- hppa_set_arch_mach (abfd, arch, machine)
- bfd *abfd;
- enum bfd_architecture arch;
- unsigned long machine;
- {
- fprintf (stderr, "hppa_set_arch_mach unimplemented\n");
- fflush (stderr);
- /* Allow any architecture to be supported by the hppa backend */
- return bfd_default_set_arch_mach(abfd, arch, machine);
- }
-
- static boolean
- hppa_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
- functionname_ptr, line_ptr)
- bfd *abfd;
- asection *section;
- asymbol **symbols;
- bfd_vma offset;
- CONST char **filename_ptr;
- CONST char **functionname_ptr;
- unsigned int *line_ptr;
- {
- fprintf (stderr, "hppa_find_nearest_line unimplemented\n");
- fflush (stderr);
- abort ();
- return (false);
- }
-
- static int
- hppa_sizeof_headers (abfd, reloc)
- bfd *abfd;
- boolean reloc;
- {
- fprintf (stderr, "hppa_sizeof_headers unimplemented\n");
- fflush (stderr);
- abort ();
- return (0);
- }
-
- static asection *
- make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power)
- bfd *abfd;
- CONST char *name;
- flagword flags;
- bfd_size_type _raw_size;
- bfd_vma vma;
- unsigned int alignment_power;
- {
- asection *asect;
-
- asect = bfd_make_section (abfd, name);
- if (!asect)
- return NULL;
-
- asect->flags = flags;
- asect->_raw_size = _raw_size;
- asect->vma = vma;
- asect->filepos = bfd_tell (abfd);
- asect->alignment_power = alignment_power;
-
- return asect;
- }
-
- #ifdef HOST_HPPAHPUX
- static bfd_target *
- hppa_core_file_p (abfd)
- bfd *abfd;
- {
- core_hdr (abfd) = bfd_zalloc (abfd, sizeof (struct hppa_core_struct));
- if (!core_hdr (abfd))
- return NULL;
-
- while (1)
- {
- int val;
- struct corehead core_header;
-
- val = bfd_read ((void *)&core_header, 1, sizeof core_header, abfd);
- if (val <= 0)
- break;
- switch (core_header.type)
- {
- case CORE_KERNEL:
- case CORE_FORMAT:
- bfd_seek (abfd, core_header.len, SEEK_CUR); /* Just skip this */
- break;
- case CORE_EXEC:
- {
- struct proc_exec proc_exec;
- bfd_read ((void *)&proc_exec, 1, core_header.len, abfd);
- strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1);
- }
- break;
- case CORE_PROC:
- {
- struct proc_info proc_info;
- core_regsec (abfd) = make_bfd_asection (abfd, ".reg",
- SEC_ALLOC+SEC_HAS_CONTENTS,
- core_header.len,
- (int)&proc_info - (int)&proc_info.hw_regs,
- 2);
- bfd_read (&proc_info, 1, core_header.len, abfd);
- core_signal (abfd) = proc_info.sig;
- }
- if (!core_regsec (abfd))
- return NULL;
- break;
- case CORE_DATA:
- core_datasec (abfd) = make_bfd_asection (abfd, ".data",
- SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS,
- core_header.len,
- core_header.addr,
- 2);
- if (!core_datasec (abfd))
- return NULL;
- bfd_seek (abfd, core_header.len, SEEK_CUR);
- break;
- case CORE_STACK:
- core_stacksec (abfd) = make_bfd_asection (abfd, ".stack",
- SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS,
- core_header.len,
- core_header.addr,
- 2);
- if (!core_stacksec (abfd))
- return NULL;
- bfd_seek (abfd, core_header.len, SEEK_CUR);
- break;
- default:
- fprintf (stderr, "Unknown HPPA/HPUX core file section type %d\n",
- core_header.type);
- bfd_seek (abfd, core_header.len, SEEK_CUR);
- break;
- }
- }
-
- /* OK, we believe you. You're a core file (sure, sure). */
-
- return abfd->xvec;
- }
-
- static char *
- hppa_core_file_failing_command (abfd)
- bfd *abfd;
- {
- return core_command (abfd);
- }
-
- /* ARGSUSED */
- static int
- hppa_core_file_failing_signal (abfd)
- bfd *abfd;
- {
- return core_signal (abfd);
- }
-
- /* ARGSUSED */
- static boolean
- hppa_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd, *exec_bfd;
- {
- return true; /* FIXME, We have no way of telling at this point */
- }
-
- /* Miscellaneous Support Functions -- Control Structures and Functions
- for the PA. */
-
- unsigned int assemble_3(x)
- unsigned int x;
- {
- return ( ( (x & 1 ) << 2 ) | ( ( x & 6 ) >> 1 ) ) & 7;
- }
-
- void dis_assemble_3(x,r)
- unsigned int x;
- unsigned int *r;
- {
- *r = ( ( (x & 4 ) >> 2 ) | ( ( x & 3 ) << 1 ) ) & 7;
- }
-
- unsigned int assemble_12(x,y)
- unsigned int x,y;
- {
- return ( ( ( y & 1 ) << 11 ) | ( ( x & 1 ) << 10 ) | ( ( x & 0x7fe ) >> 1) ) & 0xfff;
- }
-
- void dis_assemble_12(as12,x,y)
- unsigned int as12;
- unsigned int *x,*y;
- {
- *y = ( as12 & 0x800 ) >> 11;
- *x = ( ( as12 & 0x3ff ) << 1 ) | ( ( as12 & 0x400 ) >> 10 );
- }
-
- unsigned long assemble_17(x,y,z)
- unsigned int x,y,z;
- {
- unsigned long temp;
-
- temp = ( ( z & 1 ) << 16 ) |
- ( ( x & 0x1f ) << 11 ) |
- ( ( y & 1 ) << 10 ) |
- ( ( y & 0x7fe ) >> 1);
- return temp & 0x1ffff;
- }
-
- void dis_assemble_17(as17,x,y,z)
- unsigned int as17;
- unsigned int *x,*y,*z;
- {
-
- *z = ( as17 & 0x10000 ) >> 16;
- *x = ( as17 & 0x0f800 ) >> 11;
- *y = ( ( ( as17 & 0x00400 ) >> 10 ) | ( ( as17 & 0x3ff ) << 1 ) ) & 0x7ff;
- }
-
- unsigned long assemble_21(x)
- unsigned int x;
- {
- unsigned long temp;
-
- temp = ( ( x & 1 ) << 20 ) |
- ( ( x & 0xffe ) << 8 ) |
- ( ( x & 0xc000 ) >> 7 ) |
- ( ( x & 0x1f0000 ) >> 14 ) |
- ( ( x & 0x003000 ) >> 12 );
- return temp & 0x1fffff;
- }
-
- void dis_assemble_21(as21,x)
- unsigned int as21,*x;
- {
- unsigned long temp;
-
-
- temp = ( as21 & 0x100000 ) >> 20;
- temp |= ( as21 & 0x0ffe00 ) >> 8;
- temp |= ( as21 & 0x000180 ) << 7;
- temp |= ( as21 & 0x00007c ) << 14;
- temp |= ( as21 & 0x000003 ) << 12;
- *x = temp;
- }
-
- unsigned long sign_ext(x,len)
- unsigned int x,len;
- {
- unsigned int sign;
- unsigned int result;
- unsigned int len_ones;
- int i;
-
- i = 0;
- len_ones = 0;
- while ( i < len ) {
- len_ones = (len_ones << 1) | 1;
- i++;
- }
-
- sign = (x >> (len-1)) & 1;
-
- if ( sign )
- result = ( ~0 ^ len_ones ) | ( len_ones & x );
- else
- result = len_ones & x;
-
- return result;
- }
-
- static unsigned int ones(n)
- int n;
- {
- unsigned int len_ones;
- int i;
-
- i = 0;
- len_ones = 0;
- while ( i < n ) {
- len_ones = (len_ones << 1) | 1;
- i++;
- }
-
- return len_ones;
- }
-
- void sign_unext(x,len,result)
- unsigned int x,len;
- unsigned int *result;
- {
- unsigned int len_ones;
-
- len_ones = ones(len);
-
- *result = x & len_ones;
- }
-
- unsigned long low_sign_ext(x,len)
- unsigned int x,len;
- {
- unsigned int temp1,temp2;
- unsigned int len_ones;
-
- len_ones = ones(len);
-
- temp1 = ( x & 1 ) << (len-1);
- temp2 = ( ( x & 0xfffffffe ) & len_ones ) >> 1;
- return sign_ext( (temp1 | temp2),len);
- }
-
- void low_sign_unext(x,len,result)
- unsigned int x,len;
- unsigned int *result;
- {
- unsigned int temp;
- unsigned int sign;
- unsigned int rest;
- unsigned int one_bit_at_len;
- unsigned int len_ones;
-
- len_ones = ones(len);
- one_bit_at_len = 1 << (len-1);
-
- sign_unext(x,len,&temp);
- sign = temp & one_bit_at_len;
- sign >>= (len-1);
-
- rest = temp & ( len_ones ^ one_bit_at_len );
- rest <<= 1;
-
- *result = rest | sign;
- }
-
- /* These work when 'y' is a power of two only. */
-
- long
- round_down(x,y)
- long x,y;
- {
- return x & ~(y-1);
- }
-
- long
- round(x,y)
- long x,y;
- {
- return (x + y/2) & ~(y-1);
- }
-
- long
- round_up(x,y)
- long x,y;
- {
- return x - (x | ~(y-1));
- }
-
- /* L(Symbol, Addend): */
- /* round_down (Symbol + Addend, 2048) */
-
- long
- L(Symbol, Addend)
- {
- return (round_down(Symbol + Addend, 2048)) >> 11;
- }
-
- /* R(Symbol, Addend): */
- /* Symbol + Addend - round_down (Symbol + Addend, 2048) */
-
- long
- R(Symbol, Addend)
- {
- return Symbol + Addend - round_down (Symbol + Addend, 2048);
- }
-
- /* LS(Symbol, Addend): */
- /* round (Symbol + Addend, 2048) */
-
- long
- LS(Symbol, Addend)
- {
- return round (Symbol + Addend, 2048);
- }
-
- /* RS(Symbol, Addend): */
- /* Symbol + Addend - round (Symbol + Addend, 2048) */
-
- long
- RS(Symbol, Addend)
- {
- return Symbol + Addend - round (Symbol + Addend, 2048);
- }
-
- /* LD(Symbol, Addend): */
- /* round_up (Symbol + Addend, 2048) */
-
- long
- LD(Symbol, Addend)
- {
- return (round_up (Symbol + Addend, 2048)) >> 11;
- }
-
- /* RD(Symbol, Addend): */
- /* Symbol + Addend - round_up (Symbol + Addend, 2048) */
-
- long
- RD(Symbol, Addend)
- {
- return Symbol + Addend - round_up (Symbol + Addend, 2048);
- }
-
- /* LR(Symbol, Addend): */
- /* round_down (Symbol, 2048) + round (Addend, 8192) */
-
- long
- LR(Symbol, Addend)
- {
- return (round_down (Symbol, 2048) + round (Addend, 8192)) >> 11;
- }
-
- /* RR(Symbol, Addend): */
- /* Symbol - round_down (Symbol, 2048) + */
- /* Addend - round (Addend, 8192) */
-
- long
- RR(Symbol, Addend)
- {
- return Symbol
- - round_down (Symbol, 2048)
- + Addend - round (Addend, 8192);
- }
-
- unsigned long
- DEFUN(hppa_field_adjust, (value,constant_value,r_field),
- unsigned long value AND
- unsigned long constant_value AND
- unsigned short r_field)
- {
- unsigned long init_value = value;
- value += constant_value;
- switch (r_field) {
- case e_fsel: /* F : no change */
- break;
-
- case e_lssel: /* LS : if (bit 21) then add 0x800
- arithmetic shift right 11 bits */
- if ( value & 0x00000400 )
- value += 0x800;
- value = (value & 0xfffff800) >> 11;
- BFD_ASSERT(value == LS(init_value,constant_value));
- break;
-
- case e_rssel: /* RS : Sign extend from bit 21 */
- if ( value & 0x00000400 )
- value |= 0xfffff800;
- else
- value &= 0x7ff;
- BFD_ASSERT(value == RS(init_value,constant_value));
- break;
-
- case e_lsel: /* L : Arithmetic shift right 11 bits */
- value = (value & 0xfffff800) >> 11;
- BFD_ASSERT(value == L(init_value,constant_value));
- break;
-
- case e_rsel: /* R : Set bits 0-20 to zero */
- value = value & 0x7ff;
- BFD_ASSERT(value == R(init_value,constant_value));
- break;
-
- case e_ldsel: /* LD : Add 0x800, arithmetic shift
- right 11 bits */
- value += 0x800;
- value = (value & 0xfffff800) >> 11;
- BFD_ASSERT(value == LD(init_value,constant_value));
- break;
-
- case e_rdsel: /* RD : Set bits 0-20 to one */
- value |= 0xfffff800;
- BFD_ASSERT(value == RD(init_value,constant_value));
- break;
-
- case e_lrsel: /* LR : L with "rounded" constant */
- value = value + ((constant_value + 0x1000) & 0xffffe000);
- value = (value & 0xfffff800) >> 11;
- BFD_ASSERT(value == LR(init_value,constant_value));
- break;
-
- case e_rrsel: /* RR : R with "rounded" constant */
- value = value + ((constant_value + 0x1000) & 0xffffe000);
- value = (value & 0x7ff) + constant_value - ((constant_value + 0x1000) & 0xffffe000);
- BFD_ASSERT(value == RR(init_value,constant_value));
- break;
-
- default:
- fprintf(stderr,"Unrecognized field_selector 0x%02x\n", r_field);
- break;
- }
- return value;
-
- }
-
- /* End of miscellaneous support functions. */
- #endif /* HOST_HPPAHPUX */
-
- #ifdef HOST_HPPABSD
- /* All the core file code for BSD needs to be rewritten cleanly. For
- now we do not support core files under BSD. */
-
- #define hppa_core_file_p _bfd_dummy_target
- #define hppa_core_file_failing_command _bfd_dummy_core_file_failing_command
- #define hppa_core_file_failing_signal _bfd_dummy_core_file_failing_signal
- #define hppa_core_file_matches_executable_p _bfd_dummy_core_file_matches_executable_p
- #endif /* HOST_HPPABSD */
-
- #define hppa_bfd_debug_info_start bfd_void
- #define hppa_bfd_debug_info_end bfd_void
- #define hppa_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
-
- #define hppa_openr_next_archived_file bfd_generic_openr_next_archived_file
- #define hppa_generic_stat_arch_elt bfd_generic_stat_arch_elt
- #define hppa_slurp_armap bfd_false
- #define hppa_slurp_extended_name_table _bfd_slurp_extended_name_table
- #define hppa_truncate_arname (void (*)())bfd_nullvoidptr
- #define hppa_write_armap 0
-
- #define hppa_get_lineno (struct lineno_cache_entry *(*)())bfd_nullvoidptr
- #define hppa_close_and_cleanup bfd_generic_close_and_cleanup
- #define hppa_get_section_contents bfd_generic_get_section_contents
-
- #define hppa_bfd_get_relocated_section_contents \
- bfd_generic_get_relocated_section_contents
- #define hppa_bfd_relax_section bfd_generic_relax_section
- #define hppa_bfd_seclet_link bfd_generic_seclet_link
- #define hppa_bfd_reloc_type_lookup \
- ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
- #define hppa_bfd_make_debug_symbol \
- ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
-
- bfd_target hppa_vec =
- {
- "hppa", /* name */
- bfd_target_hppa_flavour,
- true, /* target byte order */
- true, /* target headers byte order */
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
- (SEC_CODE|SEC_DATA|SEC_ROM|SEC_HAS_CONTENTS
- |SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
-
- /* leading_symbol_char: is the first char of a user symbol
- predictable, and if so what is it */
- 0,
- ' ', /* ar_pad_char */
- 16, /* ar_max_namelen */
- 3, /* minimum alignment */
- _do_getb64, _do_getb_signed_64, _do_putb64,
- _do_getb32, _do_getb_signed_32, _do_putb32,
- _do_getb16, _do_getb_signed_16, _do_putb16, /* data */
- _do_getb64, _do_getb_signed_64, _do_putb64,
- _do_getb32, _do_getb_signed_32, _do_putb32,
- _do_getb16, _do_getb_signed_16, _do_putb16, /* hdrs */
- { _bfd_dummy_target,
- hppa_object_p, /* bfd_check_format */
- bfd_generic_archive_p,
- hppa_core_file_p,
- },
- {
- bfd_false,
- hppa_mkobject,
- _bfd_generic_mkarchive,
- bfd_false
- },
- {
- bfd_false,
- hppa_write_object_contents,
- _bfd_write_archive_contents,
- bfd_false,
- },
- #undef hppa
- JUMP_TABLE(hppa),
- (PTR) 0
- };
-
- #endif /* HOST_HPPAHPUX || HOST_HPPABSD */
-