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* mips-tdep.c (mips32_next_pc): Handle JALX.

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Maciej W. Rozycki 2012-04-10 22:54:24 +00:00
parent 2f26ef89d8
commit 9e8da49c01
2 changed files with 14 additions and 8 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
2011-04-10 Maciej W. Rozycki <macro@codesourcery.com>
* mips-tdep.c (mips32_next_pc): Handle JALX.
2012-04-10 Yao Qi <yao@codesourcery.com>
* Makefile.in (gnulib/Makefile): Remove duplicated dependency.

18
gdb/mips-tdep.c
View file

@ -1203,6 +1203,16 @@ mips32_next_pc (struct frame_info *frame, CORE_ADDR pc)
&& (itype_rt (inst) & 2) == 0)
/* BC1ANY4F, BC1ANY4T: 010001 01010 xxx0x */
pc = mips32_bc1_pc (gdbarch, frame, inst, pc + 4, 4);
else if (itype_op (inst) == 29)
/* JALX: 011101 */
/* The new PC will be alternate mode. */
{
unsigned long reg;
reg = jtype_target (inst) << 2;
/* Add 1 to indicate 16-bit mode -- invert ISA mode. */
pc = ((pc + 4) & ~(CORE_ADDR) 0x0fffffff) + reg + 1;
}
else
pc += 4; /* Not a branch, next instruction is easy. */
}
@ -1295,14 +1305,6 @@ mips32_next_pc (struct frame_info *frame, CORE_ADDR pc)
pc = reg + ((pc + 4) & ~(CORE_ADDR) 0x0fffffff);
}
break;
/* FIXME case JALX : */
{
unsigned long reg;
reg = jtype_target (inst) << 2;
pc = reg + ((pc + 4) & ~(CORE_ADDR) 0x0fffffff) + 1; /* yes, +1 */
/* Add 1 to indicate 16 bit mode - Invert ISA mode */
}
break; /* The new PC will be alternate mode */
case 4: /* BEQ, BEQL */
equal_branch:
if (get_frame_register_signed (frame, itype_rs (inst)) ==