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38 lines
1.3 KiB
Diff
38 lines
1.3 KiB
Diff
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Status: submitted for comments
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2004-11-13 Daniel Jacobowitz <dan@debian.org>
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* sparc-tdep.c (sparc_software_single_step): Handle stepping to NULL.
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Index: gdb-6.3/gdb/sparc-tdep.c
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===================================================================
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--- gdb-6.3.orig/gdb/sparc-tdep.c 2004-06-06 22:02:55.000000000 -0400
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+++ gdb-6.3/gdb/sparc-tdep.c 2004-11-13 17:06:05.000000000 -0500
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@@ -1026,10 +1026,10 @@
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if (insert_breakpoints_p)
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{
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- CORE_ADDR pc;
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+ CORE_ADDR pc, orig_npc;
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pc = sparc_address_from_register (tdep->pc_regnum);
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- npc = sparc_address_from_register (tdep->npc_regnum);
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+ orig_npc = npc = sparc_address_from_register (tdep->npc_regnum);
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/* Analyze the instruction at PC. */
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nnpc = sparc_analyze_control_transfer (pc, &npc);
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@@ -1039,9 +1039,10 @@
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target_insert_breakpoint (nnpc, nnpc_save);
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/* Assert that we have set at least one breakpoint, and that
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- they're not set at the same spot. */
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- gdb_assert (npc != 0 || nnpc != 0);
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- gdb_assert (nnpc != npc);
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+ they're not set at the same spot - unless we're going
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+ from here straight to NULL, i.e. a call or jump to 0. */
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+ gdb_assert (npc != 0 || nnpc != 0 || orig_npc == 0);
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+ gdb_assert (nnpc != npc || orig_npc == 0);
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}
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else
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{
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