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| author | Doug Evans <dje@google.com> | 2009-11-05 21:17:00 +0000 |
|---|---|---|
| committer | Doug Evans <dje@google.com> | 2009-11-05 21:17:00 +0000 |
| commit | bba66b87eff7244120daed405cf524916e1652a4 (patch) | |
| tree | 270b8216c8b9dd8503dbe4da10ed20cf76c059bf /gdb/amd64-tdep.c | |
| parent | 52efb61a1cc2775bbc56266db0e1749fba7ae449 (diff) | |
| download | gdb-bba66b87eff7244120daed405cf524916e1652a4.zip gdb-bba66b87eff7244120daed405cf524916e1652a4.tar.gz gdb-bba66b87eff7244120daed405cf524916e1652a4.tar.bz2 | |
* amd64-tdep.c (amd64_init_frame_cache): Enhance comment describing
saved_regs.
Diffstat (limited to 'gdb/amd64-tdep.c')
| -rw-r--r-- | gdb/amd64-tdep.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gdb/amd64-tdep.c b/gdb/amd64-tdep.c index 51560cf..b47c4c3 100644 --- a/gdb/amd64-tdep.c +++ b/gdb/amd64-tdep.c @@ -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; |