-/* BFD library support routines for the Hitachi H8/300 architecture.
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
+/* BFD library support routines for the Renesas H8/300 architecture.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
Hacked by Steve Chamberlain of Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 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 3 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.
+ 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. */
+ 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
+#include "cpu-h8300.h"
-#define DEFINE_TABLE
-#include "opcode/h8300.h"
-
-#define MAXSAME 14
-
-static struct h8_opcode * h8_opcodes_sorted[256][MAXSAME];
-
-/* Run through the opcodes and sort them into order to make them easy
- to disassemble
- */
-static void
-DEFUN_VOID(bfd_h8_disassemble_init)
+static bfd_boolean
+h8300_scan (const struct bfd_arch_info *info, const char *string)
{
- unsigned int i;
- struct h8_opcode *p;
-
- for (p = h8_opcodes; p->name; p++) {
- int where = 0;
- int n1 = 0;
- int n2 = 0;
- int n3 = 0;
- int n4= 0;
- if ((int)p->data.nib[0] < 16) {
- n1 =(int) p->data.nib[0] ;
- } else n1 = 0;
- if ((int)p->data.nib[1] < 16) {
- n2 = (int) p->data.nib[1];
- }else n2 = 0;
-
- for (i = 0; i < MAXSAME; i++) {
- int j = n1 * 16 + n2;
- if (h8_opcodes_sorted[j][i] == (struct h8_opcode *)NULL) {
- h8_opcodes_sorted[j][i] = p;
- break;
- }
+ if (*string != 'h' && *string != 'H')
+ return FALSE;
+
+ string++;
+ if (*string != '8')
+ return FALSE;
+
+ string++;
+ if (*string == '/')
+ string++;
+
+ if (*string != '3')
+ return FALSE;
+ string++;
+ if (*string != '0')
+ return FALSE;
+ string++;
+ if (*string != '0')
+ return FALSE;
+ string++;
+ if (*string == '-')
+ string++;
+
+ /* In ELF linker scripts, we typically express the architecture/machine
+ as architecture:machine.
+
+ So if we've matched so far and encounter a colon, try to match the
+ string following the colon. */
+ if (*string == ':')
+ {
+ string++;
+ return h8300_scan (info, string);
}
-
- if (i==MAXSAME)abort();
-
- /* Just make sure there are an even number of nibbles in it, and
- that the count is the same s the length */
- for (i = 0; p->data.nib[i] != E; i++) ;
- if (i & 1) abort();
- if (i/2 != p->length) abort();
- }
- for (i = 0; i < 256; i++)
- {
- if (h8_opcodes_sorted[i][0])
- p = h8_opcodes_sorted[i][0];
- else h8_opcodes_sorted[i][0] = p;
- }
-}
+ if (*string == 'h' || *string == 'H')
+ {
+ string++;
+ if (*string == 'n' || *string == 'N')
+ return (info->mach == bfd_mach_h8300hn);
-unsigned int
-DEFUN(bfd_h8_disassemble,(addr, data, stream),
-bfd_vma addr AND
-CONST bfd_byte *data AND
-FILE *stream)
-{
- /* Find the first entry in the table for this opcode */
- CONST static char *regnames[] = {
- "r0h","r1h","r2h","r3h","r4h","r5h","r6h","r7h",
- "r0l","r1l","r2l","r3l","r4l","r5l","r6l","r7l" };
-
- int rs = 0;
- int rd = 0;
- int rdisp = 0;
- int abs = 0;
- struct h8_opcode **p = h8_opcodes_sorted[(unsigned)(data[0])];
- struct h8_opcode *q;
-
- /* Find the exact opcode/arg combo */
- while (*p) {
- op_type *nib;
- unsigned int len = 0;
- q = *p++;
- nib =q->data.nib;
- while (*nib != E) {
- op_type looking_for = *nib;
- int thisnib = data[len>>1] ;
- thisnib = (len & 1) ? (thisnib & 0xf) : ((thisnib >> 4) & 0xf);
- if ((int)looking_for & (int)B31) {
- if (((int)thisnib & 0x8) ==0) goto fail;
- looking_for = (op_type)((int)looking_for & ~(int)B31);
- }
- if ((int)looking_for & (int)B30) {
- if (((int)thisnib & 0x8) !=0) goto fail;
- looking_for = (op_type)((int)looking_for & ~(int)B30);
- }
- switch (looking_for) {
- case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
- case 8: case 9: case 10: case 11: case 12: case 13: case 14: case 15:
- if ((int)looking_for != thisnib) goto fail;
- break;
- case ABS16SRC:
- case ABS16DST:
- case DISPSRC:
- case DISPDST:
- case IMM16:
- abs = (data[len>>1]) * 256 + data[(len+2)>>1];
- len+=3;
- nib+=3;
- break;
- case DISPREG:
- rdisp = thisnib;
- break;
- case KBIT:
- abs = thisnib == 0x8 ? 2:1;
- break;
- case IMM8:
- case ABS8SRC:
- case ABS8DST:
- case DISP8:
- abs= data[len>>1];
- len++;
- nib++;
- break;
- case IMM3:
- abs = thisnib ;
- break;
- case RS8:
- case RS16:
- case RSINC:
- case RSIND:
- rs = thisnib;
- break;
- case RD16:
- case RDDEC:
- case RD8:
- case RDIND:
- rd = thisnib;
- break;
- default:
- fprintf(stream, "Dont understand \n");
- goto found;
- }
- len++;
- nib++;
+ return (info->mach == bfd_mach_h8300h);
}
- goto found;
- fail:
- ;
-
- }
- fprintf(stream, "%02x %02x .word\tH'%x,H'%x",
- data[0], data[1],
- data[0], data[1]);
- return 2;
- found:;
- { int i;
-
- for (i = 0; i < q->length; i++) {
- fprintf(stream, "%02x ", data[i]);
- }
- for (; i < 6; i++) {
- fprintf(stream, " ");
- }
- }
- fprintf(stream, "%s\t",q->name);
- /* Now print out the args */
+ else if (*string == 's' || *string == 'S')
{
- op_type *args = q->args.nib;
- int hadone = 0;
- while (*args != E) {
- if (hadone)
- fprintf(stream, ",");
- switch ((int)(*args) & ~((int)B30|(int)B31)) {
- case IMM16:
- case IMM8:
- case IMM3:
- fprintf(stream, "#0x%x", (unsigned)abs); break;
- case RD8:
- fprintf(stream, "%s", regnames[rd]); break;
- case RS8:
- fprintf(stream, "%s",regnames[rs]); break;
- case RD16:
- fprintf(stream, "r%d", rd& 0x7); break;
- case RS16:
- fprintf(stream, "r%d", rs & 0x7); break;
- case RSINC:
- fprintf(stream, "@r%d+", rs & 0x7); break;
- case RDDEC:
- fprintf(stream, "@-r%d", rd & 0x7); break;
- case RDIND:
- fprintf(stream, "@r%d", rd & 0x7); break;
- case RSIND:
- fprintf(stream, "@r%d",rs & 0x7); break;
- case ABS8SRC:
- case ABS16SRC:
- case ABS16DST:
- case ABS8DST:
- fprintf(stream, "@0x%x", (unsigned)abs); break;
- case DISP8:
- fprintf(stream, ".%s%d (%x)",(char)abs>0 ? "+" :"", (char)abs,
- addr + (char)abs);
- break;
- case DISPSRC:
- case DISPDST:
- fprintf(stream, "@(0x%x,r%d)", abs, rdisp & 0x7); break;
- case CCR:
- fprintf(stream, "ccr"); break;
- case KBIT:
- fprintf(stream, "#%d",abs); break;
- default:
- abort();
- }
- hadone = 1;
- args++;
- }
- }
- return q->length;
-}
-
-
-
-unsigned int DEFUN(print_insn_h8300,(addr, data, file),
-bfd_vma addr AND
-CONST char *data AND
-PTR file)
-{
- static boolean init;
- if (!init) {
- bfd_h8_disassemble_init();
- init= 1;
- }
-
- return bfd_h8_disassemble(addr, (bfd_byte *)data, file);
-}
-
-/*
-Relocations for the H8
-
-*/
-static bfd_reloc_status_type
-DEFUN(howto16_callback,(abfd, reloc_entry, symbol_in, data, ignore_input_section),
-bfd *abfd AND
-arelent *reloc_entry AND
-asymbol *symbol_in AND
-unsigned char *data AND
-asection *ignore_input_section)
-{
- long relocation = 0;
- bfd_vma addr = reloc_entry->address;
- long x = bfd_get_16(abfd, (bfd_byte *)data + addr);
-
- HOWTO_PREPARE(relocation, symbol_in);
+ string++;
+ if (*string == 'n' || *string == 'N')
+ return (info->mach == bfd_mach_h8300sn);
- x = (x + relocation + reloc_entry->addend);
+ if (*string == 'x' || *string == 'X')
+ {
+ string++;
+ if (*string == 'n' || *string == 'N')
+ return (info->mach == bfd_mach_h8300sxn);
- bfd_put_16(abfd, x, (bfd_byte *)data + addr);
- return bfd_reloc_ok;
-}
-
-
-static bfd_reloc_status_type
-DEFUN(howto8_callback,(abfd, reloc_entry, symbol_in, data, ignore_input_section),
-bfd *abfd AND
-arelent *reloc_entry AND
-asymbol *symbol_in AND
-unsigned char *data AND
-asection *ignore_input_section)
-{
- long relocation = 0;
- bfd_vma addr = reloc_entry->address;
- long x = bfd_get_8(abfd, (bfd_byte *)data + addr);
-
- HOWTO_PREPARE(relocation, symbol_in);
-
- x = (x + relocation + reloc_entry->addend);
+ return (info->mach == bfd_mach_h8300sx);
+ }
- bfd_put_8(abfd, x, (bfd_byte *)data + addr);
- return bfd_reloc_ok;
+ return (info->mach == bfd_mach_h8300s);
+ }
+ else
+ return info->mach == bfd_mach_h8300;
}
+/* This routine is provided two arch_infos and works out the machine
+ which would be compatible with both and returns a pointer to its
+ info structure. */
-static bfd_reloc_status_type
-DEFUN(howto8_FFnn_callback,(abfd, reloc_entry, symbol_in, data, ignore_input_section),
-bfd *abfd AND
-arelent *reloc_entry AND
-asymbol *symbol_in AND
-unsigned char *data AND
-asection *ignore_input_section)
+static const bfd_arch_info_type *
+compatible (const bfd_arch_info_type *in, const bfd_arch_info_type *out)
{
- long relocation = 0;
- bfd_vma addr = reloc_entry->address;
-
- long x = bfd_get_8(abfd, (bfd_byte *)data + addr);
- abort();
- HOWTO_PREPARE(relocation, symbol_in);
-
- x = (x + relocation + reloc_entry->addend);
-
- bfd_put_8(abfd, x, (bfd_byte *)data + addr);
- return bfd_reloc_ok;
+ if (in->arch != out->arch)
+ return 0;
+ if (in->mach == bfd_mach_h8300sx && out->mach == bfd_mach_h8300s)
+ return in;
+ if (in->mach == bfd_mach_h8300s && out->mach == bfd_mach_h8300sx)
+ return out;
+ if (in->mach == bfd_mach_h8300sxn && out->mach == bfd_mach_h8300sn)
+ return in;
+ if (in->mach == bfd_mach_h8300sn && out->mach == bfd_mach_h8300sxn)
+ return out;
+ /* It's really not a good idea to mix and match modes. */
+ if (in->mach != out->mach)
+ return 0;
+ else
+ return in;
}
-static bfd_reloc_status_type
-DEFUN(howto8_pcrel_callback,(abfd, reloc_entry, symbol_in, data, ignore_input_section),
-bfd *abfd AND
-arelent *reloc_entry AND
-asymbol *symbol_in AND
-unsigned char *data AND
-asection *ignore_input_section)
-{
- long relocation = 0;
- bfd_vma addr = reloc_entry->address;
- long x = bfd_get_8(abfd, (bfd_byte *)data + addr);
- abort();
- HOWTO_PREPARE(relocation, symbol_in);
-
- x = (x + relocation + reloc_entry->addend);
+#define N(word, addr, number, name, print, default, next) \
+ { word, addr, 8, bfd_arch_h8300, number, name, print, 1, default, \
+ compatible, h8300_scan, bfd_arch_default_fill, next, 0 }
- bfd_put_8(abfd, x, (bfd_byte *)data + addr);
- return bfd_reloc_ok;
-}
+static const bfd_arch_info_type h8300sxn_info_struct =
+ N (32, 16, bfd_mach_h8300sxn, "h8300sxn", "h8300sxn", FALSE, NULL);
+static const bfd_arch_info_type h8300sx_info_struct =
+ N (32, 32, bfd_mach_h8300sx, "h8300sx", "h8300sx", FALSE, &h8300sxn_info_struct);
-static reloc_howto_type howto_16
- = NEWHOWTO(howto16_callback,"abs16",1,0,0);
-static reloc_howto_type howto_8
- = NEWHOWTO(howto8_callback,"abs8",0,0,0);
+static const bfd_arch_info_type h8300sn_info_struct =
+ N (32, 16, bfd_mach_h8300sn, "h8300sn", "h8300sn", FALSE, &h8300sx_info_struct);
-static reloc_howto_type howto_8_FFnn
- = NEWHOWTO(howto8_FFnn_callback,"ff00+abs8",0,0,0);
+static const bfd_arch_info_type h8300hn_info_struct =
+ N (32, 16, bfd_mach_h8300hn, "h8300hn", "h8300hn", FALSE, &h8300sn_info_struct);
-static reloc_howto_type howto_8_pcrel
- = NEWHOWTO(howto8_pcrel_callback,"pcrel8",0,1,1);
+static const bfd_arch_info_type h8300s_info_struct =
+ N (32, 32, bfd_mach_h8300s, "h8300s", "h8300s", FALSE, & h8300hn_info_struct);
+static const bfd_arch_info_type h8300h_info_struct =
+ N (32, 32, bfd_mach_h8300h, "h8300h", "h8300h", FALSE, &h8300s_info_struct);
+const bfd_arch_info_type bfd_h8300_arch =
+ N (16, 16, bfd_mach_h8300, "h8300", "h8300", TRUE, &h8300h_info_struct);
-static CONST struct reloc_howto_struct *
-DEFUN(local_bfd_reloc_type_lookup,(arch, code),
- CONST struct bfd_arch_info *arch AND
- bfd_reloc_code_type code)
-{
- switch (code) {
- case BFD_RELOC_16:
- return &howto_16;
- case BFD_RELOC_8_FFnn:
- return &howto_8_FFnn;
- case BFD_RELOC_8:
- return &howto_8;
- case BFD_RELOC_8_PCREL:
- return &howto_8_pcrel;
- }
- return (reloc_howto_type *)NULL;
-}
-
-int bfd_default_scan_num_mach();
+/* Pad the given address to 32 bits, converting 16-bit and 24-bit
+ addresses into the values they would have had on a h8s target. */
-static boolean
-DEFUN(h8300_scan,(info, string),
-CONST struct bfd_arch_info *info AND
-CONST char *string)
+bfd_vma
+bfd_h8300_pad_address (bfd *abfd, bfd_vma address)
{
- if (strcmp(string,"h8300") == 0) return true;
- if (strcmp(string,"H8300") == 0) return true;
- if (strcmp(string,"h8/300") == 0) return true;
- if (strcmp(string,"H8/300") == 0) return true;
- return false;
-}
+ /* Cope with bfd_vma's larger than 32 bits. */
+ address &= 0xffffffffu;
-static bfd_arch_info_type arch_info_struct =
- {
- 16, /* 16 bits in a word */
- 16, /* 16 bits in an address */
- 8, /* 8 bits in a byte */
- bfd_arch_h8300,
- 0, /* only 1 machine */
- "H8/300", /* arch_name */
- "H8/300", /* printable name */
- true, /* the default machine */
- bfd_default_compatible,
- h8300_scan,
- print_insn_h8300,
- local_bfd_reloc_type_lookup,
- 0,
- };
-
-void
-DEFUN_VOID(bfd_h8300_arch)
-{
- bfd_arch_linkin(&arch_info_struct);
+ switch (bfd_get_mach (abfd))
+ {
+ case bfd_mach_h8300:
+ case bfd_mach_h8300hn:
+ case bfd_mach_h8300sn:
+ case bfd_mach_h8300sxn:
+ /* Sign extend a 16-bit address. */
+ if (address >= 0x8000)
+ return address | 0xffff0000u;
+ return address;
+
+ case bfd_mach_h8300h:
+ /* Sign extend a 24-bit address. */
+ if (address >= 0x800000)
+ return address | 0xff000000u;
+ return address;
+
+ case bfd_mach_h8300s:
+ case bfd_mach_h8300sx:
+ return address;
+
+ default:
+ abort ();
+ }
}
projects / deliverable / binutils-gdb.git / blobdiff