OpenE2K/binutils-gdb
12
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Support saving saved regs with multiple stores in addition to store multiple instructions in prologue.

Browse Source
This commit is contained in:
Michael Meissner 1995-03-03 17:39:37 +00:00
parent 8b0f5a9df9
commit 629b6214ad
2 changed files with 18 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
Fri Mar 3 12:33:24 1995 Michael Meissner <meissner@tiktok.cygnus.com>
* rs6000-tdep.c (skip_prologue): Skip multiple stores of the saved
registers that GCC emits on the PowerPC by default in addition to
the store multiple instruction used on the Power series.
Fri Mar 3 00:54:58 1995 Doug Evans <dje@canuck.cygnus.com>
* sparc-tdep.c (decode_asi): New function.

21
gdb/rs6000-tdep.c
View File

@ -209,25 +209,28 @@ CORE_ADDR pc;
If the next is not a nop, this branch was part of the function
prologue. */
if (op == 0x4def7b82 || /* crorc 15, 15, 15 */
if (op == 0x4def7b82 || /* crorc 15, 15, 15 */
op == 0x0)
return pc - 4; /* don't skip over this branch */
return pc - 4; /* don't skip over this branch */
}
if ((op & 0xfc1f0000) == 0xd8010000) { /* stfd Rx,NUM(r1) */
pc += 4; /* store floating register double */
if ((op & 0xfc1f0000) == 0xd8010000) { /* stfd Rx,NUM(r1) */
pc += 4; /* store floating register double */
op = read_memory_integer (pc, 4);
}
if ((op & 0xfc1f0000) == 0xbc010000) { /* stm Rx, NUM(r1) */
if ((op & 0xfc1f0000) == 0xbc010000) { /* stm Rx, NUM(r1) */
pc += 4;
op = read_memory_integer (pc, 4);
}
while (((tmp = op >> 16) == 0x9001) || /* st r0, NUM(r1) */
(tmp == 0x9421) || /* stu r1, NUM(r1) */
(tmp == 0x93e1)) /* st r31,NUM(r1) */
{
while ((op & 0xfc1f0000) == 0x9001 && /* st rx,NUM(r1), rx >= r13 */
(op & 0x03e00000) >= 0x01a00000) {
pc += 4;
op = read_memory_integer (pc, 4);
}
if ((op & 0xfc1f0000) == 0x94210000) { /* stu r1,NUM(r1) */
pc += 4;
op = read_memory_integer (pc, 4);
}