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5489fcc3 KR |
1 | #include "cg_arcs.h" |
2 | #include "call_graph.h" | |
3 | #include "core.h" | |
4 | #include "gmon_io.h" | |
5 | #include "gmon_out.h" | |
6 | #include "symtab.h" | |
7 | #include "sym_ids.h" | |
8 | ||
9 | extern void | |
12516a37 KR |
10 | DEFUN (cg_tally, (from_pc, self_pc, count), |
11 | bfd_vma from_pc AND bfd_vma self_pc AND int count) | |
5489fcc3 | 12 | { |
12516a37 KR |
13 | Sym *parent; |
14 | Sym *child; | |
5489fcc3 | 15 | |
12516a37 KR |
16 | parent = sym_lookup (&symtab, from_pc); |
17 | child = sym_lookup (&symtab, self_pc); | |
5489fcc3 | 18 | |
12516a37 KR |
19 | /* |
20 | * Keep arc if it is on INCL_ARCS table or if the INCL_ARCS table | |
21 | * is empty and it is not in the EXCL_ARCS table. | |
22 | */ | |
23 | if (sym_id_arc_is_present (&syms[INCL_ARCS], parent, child) | |
24 | || (syms[INCL_ARCS].len == 0 | |
25 | && !sym_id_arc_is_present (&syms[EXCL_ARCS], parent, child))) | |
5489fcc3 | 26 | { |
12516a37 KR |
27 | child->ncalls += count; |
28 | DBG (TALLYDEBUG, | |
29 | printf ("[cg_tally] arc from %s to %s traversed %d times\n", | |
5489fcc3 | 30 | parent->name, child->name, count)); |
12516a37 KR |
31 | arc_add (parent, child, count); |
32 | } /* if */ | |
33 | } /* cg_tally */ | |
5489fcc3 KR |
34 | |
35 | ||
36 | /* | |
37 | * Read a record from file IFP describing an arc in the function | |
38 | * call-graph and the count of how many times the arc has been | |
39 | * traversed. FILENAME is the name of file IFP and is provided | |
40 | * for formatting error-messages only. | |
41 | */ | |
42 | void | |
12516a37 | 43 | DEFUN (cg_read_rec, (ifp, filename), FILE * ifp AND CONST char *filename) |
5489fcc3 | 44 | { |
12516a37 KR |
45 | bfd_vma from_pc, self_pc; |
46 | struct gmon_cg_arc_record arc; | |
47 | int count; | |
5489fcc3 | 48 | |
12516a37 KR |
49 | if (fread (&arc, sizeof (arc), 1, ifp) != 1) |
50 | { | |
51 | fprintf (stderr, "%s: %s: unexpected end of file\n", | |
52 | whoami, filename); | |
53 | done (1); | |
54 | } /* if */ | |
55 | from_pc = get_vma (core_bfd, (bfd_byte *) arc.from_pc); | |
56 | self_pc = get_vma (core_bfd, (bfd_byte *) arc.self_pc); | |
57 | count = bfd_get_32 (core_bfd, (bfd_byte *) arc.count); | |
58 | DBG (SAMPLEDEBUG, | |
59 | printf ("[cg_read_rec] frompc 0x%lx selfpc 0x%lx count %d\n", | |
5489fcc3 | 60 | from_pc, self_pc, count)); |
12516a37 KR |
61 | /* add this arc: */ |
62 | cg_tally (from_pc, self_pc, count); | |
63 | } /* cg_read_rec */ | |
5489fcc3 KR |
64 | |
65 | ||
66 | /* | |
67 | * Write all the arcs in the call-graph to file OFP. FILENAME is | |
68 | * the name of OFP and is provided for formatting error-messages | |
69 | * only. | |
70 | */ | |
71 | void | |
12516a37 | 72 | DEFUN (cg_write_arcs, (ofp, filename), FILE * ofp AND const char *filename) |
5489fcc3 | 73 | { |
12516a37 KR |
74 | const unsigned char tag = GMON_TAG_CG_ARC; |
75 | struct gmon_cg_arc_record raw_arc; | |
76 | Arc *arc; | |
77 | Sym *sym; | |
5489fcc3 | 78 | |
12516a37 KR |
79 | for (sym = symtab.base; sym < symtab.limit; sym++) |
80 | { | |
81 | for (arc = sym->cg.children; arc; arc = arc->next_child) | |
82 | { | |
83 | put_vma (core_bfd, arc->parent->addr, (bfd_byte *) raw_arc.from_pc); | |
84 | put_vma (core_bfd, arc->child->addr, (bfd_byte *) raw_arc.self_pc); | |
85 | bfd_put_32 (core_bfd, arc->count, (bfd_byte *) raw_arc.count); | |
86 | if (fwrite (&tag, sizeof (tag), 1, ofp) != 1 | |
87 | || fwrite (&raw_arc, sizeof (raw_arc), 1, ofp) != 1) | |
5489fcc3 | 88 | { |
12516a37 KR |
89 | perror (filename); |
90 | done (1); | |
91 | } /* if */ | |
92 | DBG (SAMPLEDEBUG, | |
93 | printf ("[cg_write_arcs] frompc 0x%lx selfpc 0x%lx count %d\n", | |
94 | arc->parent->addr, arc->child->addr, arc->count)); | |
95 | } /* for */ | |
96 | } /* for */ | |
97 | } /* cg_write_arcs */ | |
5489fcc3 | 98 | |
12516a37 | 99 | /*** end of call_graph.c ***/ |