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CFI: if summarisation fails, don't add the result to our collection of

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CfiSI records.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3587
This commit is contained in:
Julian Seward 2005-05-02 00:34:19 +00:00
parent 6d35a0cb59
commit b7221a869c
1 changed files with 19 additions and 11 deletions
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30
coregrind/vg_dwarf.c
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@ -1217,11 +1217,11 @@ static ULong read_ULong ( UChar* data )
static Addr read_Addr ( UChar* data )
{
if (sizeof(Addr) == 4)
return read_UInt(data);
else if (sizeof(Addr) == 8)
return read_ULong(data);
vg_assert(0);
if (sizeof(Addr) == 4)
return read_UInt(data);
else if (sizeof(Addr) == 8)
return read_ULong(data);
vg_assert(0);
}
static UChar read_UChar ( UChar* data )
@ -1550,8 +1550,8 @@ Bool run_CF_instructions ( SegInfo* si,
UWord fde_arange,
UnwindContext* restore_ctx )
{
CfiSI cfisi;
CfiSI cfisi;
Bool summ_ok;
Int j, i = 0;
Addr loc_prev;
if (0) ppUnwindContext(ctx);
@ -1566,16 +1566,24 @@ Bool run_CF_instructions ( SegInfo* si,
i += j;
if (0) ppUnwindContext(ctx);
if (loc_prev != ctx->loc && si) {
summarise_context ( &cfisi, loc_prev, ctx );
VG_(addCfiSI)(si, &cfisi);
summ_ok = summarise_context ( &cfisi, loc_prev, ctx );
if (summ_ok) {
VG_(addCfiSI)(si, &cfisi);
if (VG_(clo_trace_cfi))
VG_(ppCfiSI)(&cfisi);
}
}
}
if (ctx->loc < fde_arange) {
loc_prev = ctx->loc;
ctx->loc = fde_arange;
if (si) {
summarise_context ( &cfisi, loc_prev, ctx );
VG_(addCfiSI)(si, &cfisi);
summ_ok = summarise_context ( &cfisi, loc_prev, ctx );
if (summ_ok) {
VG_(addCfiSI)(si, &cfisi);
if (VG_(clo_trace_cfi))
VG_(ppCfiSI)(&cfisi);
}
}
}
return True;