new file from bothner, fixes sparc cross-disassembly core dumps
This commit is contained in:
David D. Zuhn
parent
ab37d4f663
commit
6ba70f641e
1 changed files with 87 additions and 67 deletions
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@ -24,6 +24,11 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <stdio.h>
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#include "opcode/m68k.h"
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#ifndef GDB
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#define fprintf_filtered fprintf
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#define fputs_filtered fputs
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#endif
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/* Sign-extend an (unsigned char). */
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#if __STDC__ == 1
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#define COERCE_SIGNED_CHAR(ch) ((signed char)(ch))
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@ -57,11 +62,24 @@ static int fetch_arg ();
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#define NEXTLONG(p) \
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(p += 4, (((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1])
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#define NEXTSINGLE(p) \
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(p += 4, *((float *)(p - 4)))
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/* NEXTSINGLE and NEXTDOUBLE handle alignment problems, but not
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* byte-swapping or other float format differences. FIXME! */
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#define NEXTDOUBLE(p) \
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(p += 8, *((double *)(p - 8)))
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union number {
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double d;
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float f;
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char c[10];
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};
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#define NEXTSINGLE(val, p) \
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{ int i; union number u;\
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for (i = 0; i < sizeof(float); i++) u.c[i] = *p++; \
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val = u.f; }
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#define NEXTDOUBLE(val, p) \
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{ int i; union number u;\
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for (i = 0; i < sizeof(double); i++) u.c[i] = *p++; \
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val = u.d; }
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#define NEXTEXTEND(p) \
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(p += 12, 0.0) /* Need a function to convert from extended to double
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@ -127,11 +145,11 @@ unsigned char *buffer;
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/* Handle undefined instructions. */
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if (best < 0)
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{
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fprintf (stream, "0%o", (unsigned) (buffer[0] << 8) + buffer[1]);
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fprintf_filtered (stream, "0%o", (unsigned) (buffer[0] << 8) + buffer[1]);
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return 2;
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}
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fprintf (stream, "%s", m68k_opcodes[best].name);
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fprintf_filtered (stream, "%s", m68k_opcodes[best].name);
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/* Point at first word of argument data,
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and at descriptor for first argument. */
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@ -158,14 +176,14 @@ unsigned char *buffer;
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d = m68k_opcodes[best].args;
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if (*d)
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fputs (" ", stream);
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fputs_filtered (" ", stream);
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while (*d)
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{
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p = print_insn_arg (d, buffer, p, addr + p - buffer, stream);
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d += 2;
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if (*d && *(d - 2) != 'I' && *d != 'k')
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fputs (",", stream);
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fputs_filtered (",", stream);
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}
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return p - buffer;
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}
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@ -189,15 +207,15 @@ print_insn_arg (d, buffer, p, addr, stream)
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switch (*d)
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{
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case 'C':
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fprintf (stream, "ccr");
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fprintf_filtered (stream, "ccr");
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break;
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case 'S':
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fprintf (stream, "sr");
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fprintf_filtered (stream, "sr");
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break;
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case 'U':
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fprintf (stream, "usp");
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fprintf_filtered (stream, "usp");
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break;
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case 'J':
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@ -211,79 +229,81 @@ print_insn_arg (d, buffer, p, addr, stream)
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for (regno = sizeof names / sizeof names[0] - 1; regno >= 0; regno--)
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if (names[regno].value == val)
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{
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fprintf (stream, names[regno].name);
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fprintf_filtered (stream, names[regno].name);
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break;
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}
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if (regno < 0)
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fprintf (stream, "%d", val);
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fprintf_filtered (stream, "%d", val);
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}
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break;
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case 'Q':
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val = fetch_arg (buffer, place, 3);
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if (val == 0) val = 8;
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fprintf (stream, "#%d", val);
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/* 0 means 8, except for the bkpt instruction... */
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if (val == 0 && d[1] != 's')
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val = 8;
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fprintf_filtered (stream, "#%d", val);
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break;
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case 'M':
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val = fetch_arg (buffer, place, 8);
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if (val & 0x80)
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val = val - 0x100;
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fprintf (stream, "#%d", val);
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fprintf_filtered (stream, "#%d", val);
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break;
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case 'T':
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val = fetch_arg (buffer, place, 4);
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fprintf (stream, "#%d", val);
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fprintf_filtered (stream, "#%d", val);
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break;
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case 'D':
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fprintf (stream, "%s", reg_names[fetch_arg (buffer, place, 3)]);
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fprintf_filtered (stream, "%s", reg_names[fetch_arg (buffer, place, 3)]);
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break;
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case 'A':
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fprintf (stream, "%s",
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fprintf_filtered (stream, "%s",
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reg_names[fetch_arg (buffer, place, 3) + 010]);
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break;
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case 'R':
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fprintf (stream, "%s", reg_names[fetch_arg (buffer, place, 4)]);
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fprintf_filtered (stream, "%s", reg_names[fetch_arg (buffer, place, 4)]);
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break;
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case 'F':
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fprintf (stream, "fp%d", fetch_arg (buffer, place, 3));
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fprintf_filtered (stream, "fp%d", fetch_arg (buffer, place, 3));
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break;
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case 'O':
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val = fetch_arg (buffer, place, 6);
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if (val & 0x20)
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fprintf (stream, "%s", reg_names [val & 7]);
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fprintf_filtered (stream, "%s", reg_names [val & 7]);
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else
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fprintf (stream, "%d", val);
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fprintf_filtered (stream, "%d", val);
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break;
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case '+':
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fprintf (stream, "%s@+",
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fprintf_filtered (stream, "%s@+",
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reg_names[fetch_arg (buffer, place, 3) + 8]);
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break;
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case '-':
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fprintf (stream, "%s@-",
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fprintf_filtered (stream, "%s@-",
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reg_names[fetch_arg (buffer, place, 3) + 8]);
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break;
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case 'k':
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if (place == 'k')
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fprintf (stream, "{%s}", reg_names[fetch_arg (buffer, place, 3)]);
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fprintf_filtered (stream, "{%s}", reg_names[fetch_arg (buffer, place, 3)]);
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else if (place == 'C')
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{
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val = fetch_arg (buffer, place, 7);
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if ( val > 63 ) /* This is a signed constant. */
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val -= 128;
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fprintf (stream, "{#%d}", val);
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fprintf_filtered (stream, "{#%d}", val);
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}
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else
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fprintf(stderr, "Invalid arg format in opcode table: \"%c%c\".",
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fprintf_filtered(stderr, "Invalid arg format in opcode table: \"%c%c\".",
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*d, place);
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break;
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@ -305,9 +325,9 @@ print_insn_arg (d, buffer, p, addr, stream)
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else if (place == 'l')
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val = NEXTLONG (p1);
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else
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fprintf(stderr, "Invalid arg format in opcode table: \"%c%c\".",
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fprintf_filtered(stderr, "Invalid arg format in opcode table: \"%c%c\".",
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*d, place);
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fprintf (stream, "#%d", val);
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fprintf_filtered (stream, "#%d", val);
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break;
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case 'B':
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@ -335,26 +355,26 @@ print_insn_arg (d, buffer, p, addr, stream)
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val = NEXTWORD (p);
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}
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else
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fprintf(stderr, "Invalid arg format in opcode table: \"%c%c\".",
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fprintf_filtered(stderr, "Invalid arg format in opcode table: \"%c%c\".",
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*d, place);
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print_address (addr + val, stream);
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break;
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case 'd':
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val = NEXTWORD (p);
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fprintf (stream, "%s@(%d)",
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fprintf_filtered (stream, "%s@(%d)",
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reg_names[fetch_arg (buffer, place, 3)], val);
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break;
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case 's':
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fprintf (stream, "%s",
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fprintf_filtered (stream, "%s",
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fpcr_names[fetch_arg (buffer, place, 3)]);
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break;
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case 'I':
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val = fetch_arg (buffer, 'd', 3); /* Get coprocessor ID... */
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if (val != 1) /* Unusual coprocessor ID? */
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fprintf (stream, "(cpid=%d) ", val);
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fprintf_filtered (stream, "(cpid=%d) ", val);
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if (place == 'i')
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p += 2; /* Skip coprocessor extended operands */
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break;
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@ -384,28 +404,28 @@ print_insn_arg (d, buffer, p, addr, stream)
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switch (val >> 3)
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{
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case 0:
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fprintf (stream, "%s", reg_names[val]);
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fprintf_filtered (stream, "%s", reg_names[val]);
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break;
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case 1:
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fprintf (stream, "%s", regname);
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fprintf_filtered (stream, "%s", regname);
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break;
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case 2:
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fprintf (stream, "%s@", regname);
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fprintf_filtered (stream, "%s@", regname);
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break;
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case 3:
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fprintf (stream, "%s@+", regname);
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fprintf_filtered (stream, "%s@+", regname);
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break;
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case 4:
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fprintf (stream, "%s@-", regname);
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fprintf_filtered (stream, "%s@-", regname);
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break;
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case 5:
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val = NEXTWORD (p);
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fprintf (stream, "%s@(%d)", regname, val);
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fprintf_filtered (stream, "%s@(%d)", regname, val);
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break;
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case 6:
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@ -417,13 +437,13 @@ print_insn_arg (d, buffer, p, addr, stream)
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{
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case 0:
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val = NEXTWORD (p);
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fprintf (stream, "@#");
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fprintf_filtered (stream, "@#");
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print_address (val, stream);
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break;
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case 1:
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val = NEXTLONG (p);
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fprintf (stream, "@#");
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fprintf_filtered (stream, "@#");
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print_address (val, stream);
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break;
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@ -456,11 +476,11 @@ print_insn_arg (d, buffer, p, addr, stream)
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break;
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case 'f':
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flval = NEXTSINGLE(p);
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NEXTSINGLE(flval, p);
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break;
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case 'F':
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flval = NEXTDOUBLE(p);
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NEXTDOUBLE(flval, p);
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break;
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case 'x':
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@ -472,17 +492,17 @@ print_insn_arg (d, buffer, p, addr, stream)
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break;
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default:
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fprintf(stderr, "Invalid arg format in opcode table: \"%c%c\".",
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fprintf_filtered(stderr, "Invalid arg format in opcode table: \"%c%c\".",
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*d, place);
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}
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if ( flt_p ) /* Print a float? */
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fprintf (stream, "#%g", flval);
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fprintf_filtered (stream, "#%g", flval);
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else
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fprintf (stream, "#%d", val);
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fprintf_filtered (stream, "#%d", val);
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break;
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default:
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fprintf (stream, "<invalid address mode 0%o>", (unsigned) val);
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fprintf_filtered (stream, "<invalid address mode 0%o>", (unsigned) val);
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}
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}
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break;
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@ -499,7 +519,7 @@ print_insn_arg (d, buffer, p, addr, stream)
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p = p1 > p ? p1 : p;
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if (val == 0)
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{
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fputs ("#0", stream);
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fputs_filtered ("#0", stream);
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break;
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}
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if (*d == 'l')
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@ -517,14 +537,14 @@ print_insn_arg (d, buffer, p, addr, stream)
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{
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int first_regno;
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if (doneany)
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fputs ("/", stream);
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fputs_filtered ("/", stream);
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doneany = 1;
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fprintf (stream, "%s", reg_names[regno]);
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fprintf_filtered (stream, "%s", reg_names[regno]);
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first_regno = regno;
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while (val & (1 << (regno + 1)))
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++regno;
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if (regno > first_regno)
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fprintf (stream, "-%s", reg_names[regno]);
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fprintf_filtered (stream, "-%s", reg_names[regno]);
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}
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}
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else if (place == '3')
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@ -534,7 +554,7 @@ print_insn_arg (d, buffer, p, addr, stream)
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val = fetch_arg (buffer, place, 8);
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if (val == 0)
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{
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fputs ("#0", stream);
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fputs_filtered ("#0", stream);
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break;
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}
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if (*d == 'l')
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@ -552,22 +572,22 @@ print_insn_arg (d, buffer, p, addr, stream)
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{
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int first_regno;
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if (doneany)
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fputs ("/", stream);
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fputs_filtered ("/", stream);
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doneany = 1;
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fprintf (stream, "fp%d", regno);
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fprintf_filtered (stream, "fp%d", regno);
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first_regno = regno;
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while (val & (1 << (regno + 1)))
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++regno;
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if (regno > first_regno)
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fprintf (stream, "-fp%d", regno);
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fprintf_filtered (stream, "-fp%d", regno);
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}
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}
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else
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abort ();
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goto de_fault;
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break;
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default:
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fprintf(stderr, "Invalid arg format in opcode table: \"%c\".", *d);
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default: de_fault:
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fprintf_filtered(stderr, "Invalid arg format in opcode table: \"%c\".", *d);
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}
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return (unsigned char *) p;
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@ -708,7 +728,7 @@ bfd_vma addr;
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((word & 0x80) ? word | 0xff00 : word & 0xff)
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+ ((basereg == -1) ? addr : 0),
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stream);
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fputs (buf, stream);
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fputs_filtered (buf, stream);
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return p;
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}
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@ -736,7 +756,7 @@ bfd_vma addr;
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if ((word & 7) == 0)
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{
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print_base (basereg, base_disp, stream);
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fputs (buf, stream);
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fputs_filtered (buf, stream);
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return p;
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}
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@ -752,15 +772,15 @@ bfd_vma addr;
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outer_disp = NEXTLONG (p);
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}
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fprintf (stream, "%d(", outer_disp);
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fprintf_filtered (stream, "%d(", outer_disp);
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print_base (basereg, base_disp, stream);
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/* If postindexed, print the closeparen before the index. */
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if (word & 4)
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fprintf (stream, ")%s", buf);
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fprintf_filtered (stream, ")%s", buf);
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/* If preindexed, print the closeparen after the index. */
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else
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fprintf (stream, "%s)", buf);
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fprintf_filtered (stream, "%s)", buf);
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return p;
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}
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@ -775,9 +795,9 @@ print_base (regno, disp, stream)
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FILE *stream;
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{
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if (regno == -2)
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fprintf (stream, "%d", disp);
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fprintf_filtered (stream, "%d", disp);
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else if (regno == -1)
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fprintf (stream, "0x%x", (unsigned) disp);
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fprintf_filtered (stream, "0x%x", (unsigned) disp);
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else
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fprintf (stream, "%d(%s)", disp, reg_names[regno]);
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fprintf_filtered (stream, "%d(%s)", disp, reg_names[regno]);
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}
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