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| author | Jim Wilson <wilson@tuliptree.org> | 2000-06-08 17:07:48 +0000 |
|---|---|---|
| committer | Jim Wilson <wilson@tuliptree.org> | 2000-06-08 17:07:48 +0000 |
| commit | 10850f29fee5e2d3e93878d8dac28183d07f20a1 (patch) | |
| tree | 372490edb115659c9bef27452289864387dc0d63 /gas | |
| parent | bf64bfd6baaed5dfd64fe518f84e87f95ef8665e (diff) | |
| download | gdb-10850f29fee5e2d3e93878d8dac28183d07f20a1.zip gdb-10850f29fee5e2d3e93878d8dac28183d07f20a1.tar.gz gdb-10850f29fee5e2d3e93878d8dac28183d07f20a1.tar.bz2 | |
unwind bug fixes needed for today's gcc patch.
* config/tc-ia64.c (generate_unwind_image): Call ia64_flush_insns.
(dot_endp): Don't call ia64_flush_insns.
(emit_one_bundle): Don't delete prologue/body records from
unwind_record list in first loop. Rewrite second loop to account for
this.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 8 | ||||
| -rw-r--r-- | gas/config/tc-ia64.c | 37 |
2 files changed, 24 insertions, 21 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 71831dd..1d4519d 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,11 @@ +2000-06-08 James E. Wilson <wilson@cygnus.com> + + * config/tc-ia64.c (generate_unwind_image): Call ia64_flush_insns. + (dot_endp): Don't call ia64_flush_insns. + (emit_one_bundle): Don't delete prologue/body records from + unwind_record list in first loop. Rewrite second loop to account for + this. + 2000-06-07 David Mosberger <davidm@hpl.hp.com> * config/tc-ia64.c: Add missing prototypes. diff --git a/gas/config/tc-ia64.c b/gas/config/tc-ia64.c index 0c2a70a..d2e0ec0 100644 --- a/gas/config/tc-ia64.c +++ b/gas/config/tc-ia64.c @@ -2942,6 +2942,10 @@ generate_unwind_image () int size; unsigned char *unw_rec; + /* Force out pending instructions, to make sure all unwind records have + a valid slot_number field. */ + ia64_flush_insns (); + /* Generate the unwind record. */ size = output_unw_records (unwind.list, (void **) &unw_rec); if (size % 8 != 0) @@ -3561,7 +3565,6 @@ dot_endp (dummy) demand_empty_rest_of_line (); insn_group_break (1, 0, 0); - ia64_flush_insns (); /* If there was a .handlerdata, we haven't generated an image yet. */ if (unwind.info == 0) @@ -5239,21 +5242,12 @@ emit_one_bundle () /* Set the slot number for prologue/body records now as those refer to the current point, not the point after the instruction has been issued: */ - prev = 0; + /* Don't try to delete prologue/body records here, as that will cause + them to also be deleted from the master list of unwind records. */ for (ptr = md.slot[curr].unwind_record; ptr; ptr = ptr->next) - { - if (ptr->r.type == prologue || ptr->r.type == prologue_gr - || ptr->r.type == body) - { - ptr->slot_number = (unsigned long) f + i; - if (prev) - prev->next = ptr->next; - else - md.slot[curr].unwind_record = ptr->next; - } - else - prev = ptr; - } + if (ptr->r.type == prologue || ptr->r.type == prologue_gr + || ptr->r.type == body) + ptr->slot_number = (unsigned long) f + i; if (idesc->flags & IA64_OPCODE_SLOT2) { @@ -5453,13 +5447,14 @@ emit_one_bundle () build_insn (md.slot + curr, insn + i); - /* Set slot counts for unwind records. */ - while (md.slot[curr].unwind_record) - { - md.slot[curr].unwind_record->slot_number = (unsigned long) f + i; - md.slot[curr].unwind_record = md.slot[curr].unwind_record->next; - } + /* Set slot counts for non prologue/body unwind records. */ + for (ptr = md.slot[curr].unwind_record; ptr; ptr = ptr->next) + if (ptr->r.type != prologue && ptr->r.type != prologue_gr + && ptr->r.type != body) + ptr->slot_number = (unsigned long) f + i; + md.slot[curr].unwind_record = NULL; unwind.next_slot_number = (unsigned long) f + i + ((i == 2)?(0x10-2):1); + if (required_unit == IA64_UNIT_L) { know (i == 1); |