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2004-03-24 Andrew Cagney <cagney@redhat.com>

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* 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.
This commit is contained in:
Andrew Cagney
2004-03-24 23:14:39 +00:00
parent 38f443c80e
commit 1196bfdaf9
3 changed files with 30 additions and 5 deletions
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7
gdb/tramp-frame.h
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@@ -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.