diff options
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 10 | ||||
| -rw-r--r-- | gas/config/tc-ia64.c | 18 |
2 files changed, 24 insertions, 4 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index d7259a5..f18a868 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,13 @@ +2001-02-21 David Mosberger <davidm@hpl.hp.com> + + * config/tc-ia64.c (struct unwind): Add member "prologue_count". + (dot_proc): Clear unwind.prologue_count to zero. + (dot_prologue): Increment unwind.prologue_count. + (dot_restore): If second operand is omitted, use + unwind.prologue_count -1 for "ecount" (# of additional regions to + pop). Decrement unwind.prologue_count by number of regions + popped. + 2001-02-21 Nick Clifton <nickc@redhat.com> * doc/as.texinfo (Section): Note that some flags to the COFF diff --git a/gas/config/tc-ia64.c b/gas/config/tc-ia64.c index df566e2..56f80d9 100644 --- a/gas/config/tc-ia64.c +++ b/gas/config/tc-ia64.c @@ -624,6 +624,7 @@ static struct /* TRUE if processing unwind directives in a prologue region. */ int prologue; int prologue_mask; + unsigned int prologue_count; /* number of .prologues seen so far */ } unwind; typedef void (*vbyte_func) PARAMS ((int, char *, char *)); @@ -3047,7 +3048,7 @@ dot_restore (dummy) int dummy ATTRIBUTE_UNUSED; { expressionS e1, e2; - unsigned long ecount = 0; + unsigned long ecount; /* # of _additional_ regions to pop */ int sep; sep = parse_operand (&e1); @@ -3060,14 +3061,21 @@ dot_restore (dummy) if (sep == ',') { parse_operand (&e2); - if (e1.X_op != O_constant) + if (e2.X_op != O_constant || e2.X_add_number < 0) { - as_bad ("Second operand to .restore must be constant"); + as_bad ("Second operand to .restore must be a constant >= 0"); return; } - ecount = e1.X_op; + ecount = e2.X_add_number; } + else + ecount = unwind.prologue_count - 1; add_unwind_entry (output_epilogue (ecount)); + + if (ecount < unwind.prologue_count) + unwind.prologue_count -= ecount + 1; + else + unwind.prologue_count = 0; } static void @@ -3710,6 +3718,7 @@ dot_proc (dummy) demand_empty_rest_of_line (); ia64_do_align (16); + unwind.prologue_count = 0; unwind.list = unwind.tail = unwind.current_entry = NULL; unwind.personality_routine = 0; } @@ -3764,6 +3773,7 @@ dot_prologue (dummy) unwind.prologue = 1; unwind.prologue_mask = mask; + ++unwind.prologue_count; } static void |