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* mips-tdep.c (mips_push_arguments): Tweak alignment of register 

value if the remaining length of a non-integral argument is smaller
	than the register size for big-endian non-EABI mode.

	* rs6000-tdep.c (branch_dest):  Handle return from signal
	handler function via sigreturn kernel call.
This commit is contained in:
Peter Schauer 1997-09-23 07:10:51 +00:00
parent 4141b1c63d
commit 0c6c5eebf4
2 changed files with 26 additions and 1 deletions
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9
gdb/ChangeLog
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@ -1,3 +1,12 @@
Tue Sep 23 00:08:18 1997 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
* mips-tdep.c (mips_push_arguments): Tweak alignment of register
value if the remaining length of a non-integral argument is smaller
than the register size for big-endian non-EABI mode.
* rs6000-tdep.c (branch_dest): Handle return from signal
handler function via sigreturn kernel call.
Mon Sep 22 15:32:06 1997 Dawn Perchik <dawn@cygnus.com>
* stabsread.h, symtab.h, dbxread.c, symtab.c, stabsread.c:

18
gdb/rs6000-tdep.c
View File

@ -97,7 +97,23 @@ branch_dest (opcode, instr, pc, safety)
ext_op = (instr>>1) & 0x3ff;
if (ext_op == 16) /* br conditional register */
dest = read_register (LR_REGNUM) & ~3;
{
dest = read_register (LR_REGNUM) & ~3;
/* If we are about to return from a signal handler, dest is
something like 0x3c90. The current frame is a signal handler
caller frame, upon completion of the sigreturn system call
execution will return to the saved PC in the frame. */
if (dest < TEXT_SEGMENT_BASE)
{
struct frame_info *fi;
fi = get_current_frame ();
if (fi != NULL)
dest = read_memory_integer (fi->frame + SIG_FRAME_PC_OFFSET,
4);
}
}
else if (ext_op == 528) /* br cond to count reg */
{