Tue Jun 23 17:32:26 1998 Michael Snyder <msnyder@cleaver.cygnus.com>
* rs6000-tdep.c (pop_dummy_frame): use memcpy.
(push_arguments): use memset.
(various other places): fix up indentation and long lines.
This commit is contained in:
Michael Snyder
parent
59b8f2097f
commit
75621b2b2c
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@ -1,3 +1,9 @@
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Tue Jun 23 17:32:26 1998 Michael Snyder <msnyder@cleaver.cygnus.com>
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* rs6000-tdep.c (pop_dummy_frame): use memcpy.
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(push_arguments): use memset.
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(various other places): fix up indentation and long lines.
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Tue Jun 23 11:58:35 1998 Jason Molenda (crash@bugshack.cygnus.com)
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* configure.in: s/lXext/-lXext/ for Jillian's change.
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@ -268,7 +268,8 @@ skip_prologue (pc, fdata)
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continue;
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} else if (((op & 0xfc1f0000) == 0xbc010000) || /* stm Rx, NUM(r1) */
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((op & 0xfc1f0000) == 0x90010000 && /* st rx,NUM(r1), rx >= r13 */
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((op & 0xfc1f0000) == 0x90010000 && /* st rx,NUM(r1),
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rx >= r13 */
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(op & 0x03e00000) >= 0x01a00000)) {
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reg = GET_SRC_REG (op);
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@ -278,43 +279,52 @@ skip_prologue (pc, fdata)
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}
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continue;
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} else if ((op & 0xffff0000) == 0x3c000000) { /* addis 0,0,NUM, used for >= 32k frames */
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} else if ((op & 0xffff0000) == 0x3c000000) { /* addis 0,0,NUM, used
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for >= 32k frames */
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fdata->offset = (op & 0x0000ffff) << 16;
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fdata->frameless = 0;
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continue;
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} else if ((op & 0xffff0000) == 0x60000000) { /* ori 0,0,NUM, 2nd half of >= 32k frames */
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} else if ((op & 0xffff0000) == 0x60000000) { /* ori 0,0,NUM, 2nd ha
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lf of >= 32k frames */
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fdata->offset |= (op & 0x0000ffff);
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fdata->frameless = 0;
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continue;
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} else if ((op & 0xffff0000) == lr_reg) { /* st Rx,NUM(r1) where Rx == lr */
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} else if ((op & 0xffff0000) == lr_reg) { /* st Rx,NUM(r1)
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where Rx == lr */
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fdata->lr_offset = SIGNED_SHORT (op) + offset;
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fdata->nosavedpc = 0;
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lr_reg = 0;
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continue;
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} else if ((op & 0xffff0000) == cr_reg) { /* st Rx,NUM(r1) where Rx == cr */
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} else if ((op & 0xffff0000) == cr_reg) { /* st Rx,NUM(r1)
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where Rx == cr */
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fdata->cr_offset = SIGNED_SHORT (op) + offset;
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cr_reg = 0;
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continue;
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} else if (op == 0x48000005) { /* bl .+4 used in -mrelocatable */
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} else if (op == 0x48000005) { /* bl .+4 used in
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-mrelocatable */
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continue;
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} else if (op == 0x48000004) { /* b .+4 (xlc) */
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break;
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} else if (((op & 0xffff0000) == 0x801e0000 || /* lwz 0,NUM(r30), used in V.4 -mrelocatable */
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op == 0x7fc0f214) && /* add r30,r0,r30, used in V.4 -mrelocatable */
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} else if (((op & 0xffff0000) == 0x801e0000 || /* lwz 0,NUM(r30), used
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in V.4 -mrelocatable */
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op == 0x7fc0f214) && /* add r30,r0,r30, used
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in V.4 -mrelocatable */
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lr_reg == 0x901e0000) {
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continue;
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} else if ((op & 0xffff0000) == 0x3fc00000 || /* addis 30,0,foo@ha, used in V.4 -mminimal-toc */
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} else if ((op & 0xffff0000) == 0x3fc00000 || /* addis 30,0,foo@ha, used
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in V.4 -mminimal-toc */
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(op & 0xffff0000) == 0x3bde0000) { /* addi 30,30,foo@l */
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continue;
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} else if ((op & 0xfc000000) == 0x48000000) { /* bl foo, to save fprs??? */
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} else if ((op & 0xfc000000) == 0x48000000) { /* bl foo,
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to save fprs??? */
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fdata->frameless = 0;
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/* Don't skip over the subroutine call if it is not within the first
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@ -330,8 +340,8 @@ skip_prologue (pc, fdata)
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prologue. */
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if (op == 0x4def7b82 || op == 0) /* crorc 15, 15, 15 */
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break; /* don't skip over this branch */
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break; /* don't skip over
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this branch */
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continue;
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/* update stack pointer */
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@ -482,7 +492,7 @@ push_dummy_frame ()
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pc = read_register(PC_REGNUM);
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store_address (pc_targ, 4, pc);
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(void) skip_prologue (get_pc_function_start (pc) + FUNCTION_START_OFFSET, &fdata);
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skip_prologue (get_pc_function_start (pc) + FUNCTION_START_OFFSET, &fdata);
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dummy_frame_addr [dummy_frame_count++] = sp;
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@ -522,7 +532,7 @@ push_dummy_frame ()
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for (ii=1; ii <= (LAST_SP_REGNUM-FIRST_SP_REGNUM+1); ++ii) {
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write_memory (sp-384-(ii*4),
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®isters[REGISTER_BYTE (FPLAST_REGNUM + ii)], 4);
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®isters[REGISTER_BYTE (FPLAST_REGNUM + ii)], 4);
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}
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/* Save sp or so called back chain right here. */
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@ -583,7 +593,7 @@ pop_dummy_frame ()
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order to secure astack space. Thus, saved %sp (or %r1) value, is not the
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one we should restore. Change it with the one we need. */
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*(int*)®isters [REGISTER_BYTE(FP_REGNUM)] = sp;
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memcpy (®isters [REGISTER_BYTE(FP_REGNUM)], (char *) &sp, sizeof (int));
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/* Now we can restore all registers. */
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@ -757,8 +767,9 @@ push_arguments (nargs, args, sp, struct_return, struct_addr)
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printf_unfiltered (
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"Fatal Error: a floating point parameter #%d with a size > 8 is found!\n", argno);
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memcpy (®isters[REGISTER_BYTE(FP0_REGNUM + 1 + f_argno)], VALUE_CONTENTS (arg),
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len);
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memcpy (®isters[REGISTER_BYTE(FP0_REGNUM + 1 + f_argno)],
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VALUE_CONTENTS (arg),
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len);
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++f_argno;
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}
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@ -766,11 +777,10 @@ push_arguments (nargs, args, sp, struct_return, struct_addr)
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/* Argument takes more than one register. */
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while (argbytes < len) {
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*(int*)®isters[REGISTER_BYTE(ii+3)] = 0;
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memset (®isters[REGISTER_BYTE(ii+3)], 0, sizeof(int));
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memcpy (®isters[REGISTER_BYTE(ii+3)],
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((char*)VALUE_CONTENTS (arg))+argbytes,
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(len - argbytes) > 4 ? 4 : len - argbytes);
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((char*)VALUE_CONTENTS (arg))+argbytes,
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(len - argbytes) > 4 ? 4 : len - argbytes);
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++ii, argbytes += 4;
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if (ii >= 8)
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@ -780,7 +790,7 @@ push_arguments (nargs, args, sp, struct_return, struct_addr)
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--ii;
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}
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else { /* Argument can fit in one register. No problem. */
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*(int*)®isters[REGISTER_BYTE(ii+3)] = 0;
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memset (®isters[REGISTER_BYTE(ii+3)], 0, sizeof(int));
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memcpy (®isters[REGISTER_BYTE(ii+3)], VALUE_CONTENTS (arg), len);
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}
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++argno;
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@ -827,8 +837,9 @@ ran_out_of_registers_for_arguments:
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completely, push the rest of it into stack. */
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if (argbytes) {
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write_memory (
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sp+24+(ii*4), ((char*)VALUE_CONTENTS (arg))+argbytes, len - argbytes);
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write_memory (sp+24+(ii*4),
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((char*)VALUE_CONTENTS (arg))+argbytes,
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len - argbytes);
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++argno;
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ii += ((len - argbytes + 3) & -4) / 4;
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}
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@ -848,8 +859,9 @@ ran_out_of_registers_for_arguments:
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printf_unfiltered (
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"Fatal Error: a floating point parameter #%d with a size > 8 is found!\n", argno);
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memcpy (®isters[REGISTER_BYTE(FP0_REGNUM + 1 + f_argno)], VALUE_CONTENTS (arg),
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len);
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memcpy (®isters[REGISTER_BYTE(FP0_REGNUM + 1 + f_argno)],
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VALUE_CONTENTS (arg),
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len);
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++f_argno;
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}
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@ -892,8 +904,9 @@ extract_return_value (valtype, regbuf, valbuf)
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necessary. */
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if (TYPE_LENGTH (valtype) > 4) /* this is a double */
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memcpy (valbuf, ®buf[REGISTER_BYTE (FP0_REGNUM + 1)],
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TYPE_LENGTH (valtype));
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memcpy (valbuf,
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®buf[REGISTER_BYTE (FP0_REGNUM + 1)],
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TYPE_LENGTH (valtype));
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else { /* float */
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memcpy (&dd, ®buf[REGISTER_BYTE (FP0_REGNUM + 1)], 8);
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ff = (float)dd;
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@ -906,7 +919,8 @@ extract_return_value (valtype, regbuf, valbuf)
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&& TYPE_LENGTH (valtype) < REGISTER_RAW_SIZE (3))
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offset = REGISTER_RAW_SIZE (3) - TYPE_LENGTH (valtype);
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memcpy (valbuf, regbuf + REGISTER_BYTE (3) + offset,
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memcpy (valbuf,
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regbuf + REGISTER_BYTE (3) + offset,
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TYPE_LENGTH (valtype));
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}
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}
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