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- #include "cg_arcs.h"
- #include "call_graph.h"
- #include "core.h"
- #include "gmon_io.h"
- #include "gmon_out.h"
- #include "symtab.h"
- #include "sym_ids.h"
-
- extern void
- DEFUN (cg_tally, (from_pc, self_pc, count),
- bfd_vma from_pc AND bfd_vma self_pc AND int count)
- {
- Sym *parent;
- Sym *child;
-
- parent = sym_lookup (&symtab, from_pc);
- child = sym_lookup (&symtab, self_pc);
-
- /*
- * Keep arc if it is on INCL_ARCS table or if the INCL_ARCS table
- * is empty and it is not in the EXCL_ARCS table.
- */
- if (sym_id_arc_is_present (&syms[INCL_ARCS], parent, child)
- || (syms[INCL_ARCS].len == 0
- && !sym_id_arc_is_present (&syms[EXCL_ARCS], parent, child)))
- {
- child->ncalls += count;
- DBG (TALLYDEBUG,
- printf ("[cg_tally] arc from %s to %s traversed %d times\n",
- parent->name, child->name, count));
- arc_add (parent, child, count);
- }
- }
-
-
- /*
- * Read a record from file IFP describing an arc in the function
- * call-graph and the count of how many times the arc has been
- * traversed. FILENAME is the name of file IFP and is provided
- * for formatting error-messages only.
- */
- void
- DEFUN (cg_read_rec, (ifp, filename), FILE * ifp AND CONST char *filename)
- {
- bfd_vma from_pc, self_pc;
- struct gmon_cg_arc_record arc;
- int count;
-
- if (fread (&arc, sizeof (arc), 1, ifp) != 1)
- {
- fprintf (stderr, "%s: %s: unexpected end of file\n",
- whoami, filename);
- done (1);
- }
- from_pc = get_vma (core_bfd, (bfd_byte *) arc.from_pc);
- self_pc = get_vma (core_bfd, (bfd_byte *) arc.self_pc);
- count = bfd_get_32 (core_bfd, (bfd_byte *) arc.count);
- DBG (SAMPLEDEBUG,
- printf ("[cg_read_rec] frompc 0x%lx selfpc 0x%lx count %d\n",
- from_pc, self_pc, count));
- /* add this arc: */
- cg_tally (from_pc, self_pc, count);
- }
-
-
- /*
- * Write all the arcs in the call-graph to file OFP. FILENAME is
- * the name of OFP and is provided for formatting error-messages
- * only.
- */
- void
- DEFUN (cg_write_arcs, (ofp, filename), FILE * ofp AND const char *filename)
- {
- const unsigned char tag = GMON_TAG_CG_ARC;
- struct gmon_cg_arc_record raw_arc;
- Arc *arc;
- Sym *sym;
-
- for (sym = symtab.base; sym < symtab.limit; sym++)
- {
- for (arc = sym->cg.children; arc; arc = arc->next_child)
- {
- put_vma (core_bfd, arc->parent->addr, (bfd_byte *) raw_arc.from_pc);
- put_vma (core_bfd, arc->child->addr, (bfd_byte *) raw_arc.self_pc);
- bfd_put_32 (core_bfd, arc->count, (bfd_byte *) raw_arc.count);
- if (fwrite (&tag, sizeof (tag), 1, ofp) != 1
- || fwrite (&raw_arc, sizeof (raw_arc), 1, ofp) != 1)
- {
- perror (filename);
- done (1);
- }
- DBG (SAMPLEDEBUG,
- printf ("[cg_write_arcs] frompc 0x%lx selfpc 0x%lx count %d\n",
- arc->parent->addr, arc->child->addr, arc->count));
- }
- }
- }
-