diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 90612fa65d..dd4118bf3a 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -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 * stabsread.h, symtab.h, dbxread.c, symtab.c, stabsread.c: diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index 39d7ff4e25..90893c0134 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -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 */ {