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* amd64-tdep.c (amd64_init_frame_cache): Enhance comment describing

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saved_regs.
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Doug Evans 2009-11-05 21:17:00 +00:00
parent 52efb61a1c
commit bba66b87ef
2 changed files with 9 additions and 1 deletions
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gdb/ChangeLog
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@ -1,3 +1,8 @@
2009-11-05 Doug Evans <dje@google.com>
* amd64-tdep.c (amd64_init_frame_cache): Enhance comment describing
saved_regs.
2009-11-05 Daniel Jacobowitz <dan@codesourcery.com>
* top.c (execute_command): Select a frame before checking the current

5
gdb/amd64-tdep.c
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@ -1402,7 +1402,10 @@ amd64_init_frame_cache (struct amd64_frame_cache *cache)
cache->pc = 0;
/* Saved registers. We initialize these to -1 since zero is a valid
offset (that's where %rbp is supposed to be stored). */
offset (that's where %rbp is supposed to be stored).
The values start out as being offsets, and are later converted to
addresses (at which point -1 is interpreted as an address, still meaning
"invalid"). */
for (i = 0; i < AMD64_NUM_SAVED_REGS; i++)
cache->saved_regs[i] = -1;
cache->saved_sp = 0;