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| author | Andrew Cagney <cagney@redhat.com> | 2004-03-24 23:14:39 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2004-03-24 23:14:39 +0000 |
| commit | 1196bfdaf9becb2a90e01bec41fc18b24affad38 (patch) | |
| tree | 8dd0a5d71a7a17a3d34629f3540da394c965bea0 /gdb/tramp-frame.h | |
| parent | 38f443c80eac123969131b3692a773f31efa0f30 (diff) | |
| download | gdb-1196bfdaf9becb2a90e01bec41fc18b24affad38.zip gdb-1196bfdaf9becb2a90e01bec41fc18b24affad38.tar.gz gdb-1196bfdaf9becb2a90e01bec41fc18b24affad38.tar.bz2 | |
2004-03-24 Andrew Cagney <cagney@redhat.com>
* tramp-frame.h (TRAMP_SENTINEL_INSN): Define, document.
* tramp-frame.c: Include "gdb_assert.h".
(tramp_frame_start): Use TRAMP_SENTINEL_INSN. Use ULONGEST and
correct sizeof.
(tramp_frame_append): Validate the tramp frame's instructions.
* Makefile.in (tramp-frame.o): Update dependencies.
Diffstat (limited to 'gdb/tramp-frame.h')
| -rw-r--r-- | gdb/tramp-frame.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gdb/tramp-frame.h b/gdb/tramp-frame.h index 44e266e..54f29bb 100644 --- a/gdb/tramp-frame.h +++ b/gdb/tramp-frame.h @@ -39,6 +39,10 @@ struct trad_frame_cache; /* A trampoline descriptor. */ +/* Magic instruction that to mark the end of the signal trampoline + instruction sequence. */ +#define TRAMP_SENTINEL_INSN ((LONGEST) -1) + struct tramp_frame { /* The trampoline's entire instruction sequence. Search for this in @@ -47,7 +51,8 @@ struct tramp_frame one INSN_SIZE instruction. It is also assumed that TRAMP[0] contains the first instruction of the trampoline and hence the address of the instruction matching TRAMP[0] is the trampoline's - "func" address. */ + "func" address. The instruction sequence shall be terminated by + TRAMP_SENTINEL_INSN. */ int insn_size; ULONGEST insn[8]; /* Initialize a trad-frame cache corresponding to the tramp-frame. |