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Don't let a branch unit nop terminate the prologue scan.

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Kevin Buettner
2001-08-31 19:58:41 +00:00
parent 28cfee261d
commit 902d7086d7
2 changed files with 9 additions and 3 deletions
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5
gdb/ChangeLog
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@@ -1,3 +1,8 @@
2001-08-31 Kevin Buettner <kevinb@redhat.com>
* ia64-tdep.c (examine_prologue): Don't let a branch unit nop
terminate the prologue scan.
2001-08-30 Jim Blandy <jimb@redhat.com>
* symfile.c (sections_overlap): New function.

7
gdb/ia64-tdep.c
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@@ -860,10 +860,11 @@ examine_prologue (CORE_ADDR pc, CORE_ADDR lim_pc, struct frame_info *frame)
if (next_pc == 0)
break;
if (it == B || ((instr & 0x3fLL) != 0LL))
if ((it == B && ((instr & 0x1e1f800003f) != 0x04000000000))
|| ((instr & 0x3fLL) != 0LL))
{
/* Exit loop upon hitting a branch instruction or a predicated
instruction. */
/* Exit loop upon hitting a non-nop branch instruction
or a predicated instruction. */
break;
}
else if (it == I && ((instr & 0x1eff8000000LL) == 0x00188000000LL))