diff options
Diffstat (limited to 'gdb/convex-tdep.c')
| -rw-r--r-- | gdb/convex-tdep.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gdb/convex-tdep.c b/gdb/convex-tdep.c index 8eeb2b348a0..fd490b107ed 100644 --- a/gdb/convex-tdep.c +++ b/gdb/convex-tdep.c @@ -42,6 +42,45 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "gdbcmd.h" +CORE_ADDR +convex_skip_prologue (pc) + CORE_ADDR pc; +{ + int op, ix; + op = read_memory_integer (pc, 2); + if ((op & 0xffc7) == 0x5ac0) + pc += 2; + else if (op == 0x1580) + pc += 4; + else if (op == 0x15c0) + pc += 6; + if ((read_memory_integer (pc, 2) & 0xfff8) == 0x7c40 + && (read_memory_integer (pc + 2, 2) & 0xfff8) == 0x1240 + && (read_memory_integer (pc + 8, 2) & 0xfff8) == 0x7c48) + pc += 10; + if (read_memory_integer (pc, 2) == 0x1240) + pc += 6; + for (;;) + { + op = read_memory_integer (pc, 2); + ix = (op >> 3) & 7; + if (ix != 6) + break; + if ((op & 0xfcc0) == 0x3000) + pc += 4; + else if ((op & 0xfcc0) == 0x3040) + pc += 6; + else if ((op & 0xfcc0) == 0x2800) + pc += 4; + else if ((op & 0xfcc0) == 0x2840) + pc += 6; + else + break; + } + return pc; +} + + exec_file_command (filename, from_tty) char *filename; int from_tty; |