aboutsummaryrefslogtreecommitdiff
path: root/gprof/sparc.c
diff options
context:
space:
mode:
authorKen Raeburn <raeburn@cygnus>1995-02-07 22:34:18 +0000
committerKen Raeburn <raeburn@cygnus>1995-02-07 22:34:18 +0000
commit5489fcc3d9dbb1f529dddb19b615e23d8ed59dc7 (patch)
tree1a79cfffd92f2afb67780dd7372c1759c49791aa /gprof/sparc.c
parent2559e01429d193b7957c106a6a8b0598476f9845 (diff)
downloadgdb-5489fcc3d9dbb1f529dddb19b615e23d8ed59dc7.zip
gdb-5489fcc3d9dbb1f529dddb19b615e23d8ed59dc7.tar.gz
gdb-5489fcc3d9dbb1f529dddb19b615e23d8ed59dc7.tar.bz2
Lots of changes from David Mosberger-Tang; see ChangeLog and NOTES for details:
Alpha support. Long options. New file format to support more information; backwards compatibility. Line-level profiling, on systems where bfd_find_nearest_line works. Selective display of data.
Diffstat (limited to 'gprof/sparc.c')
-rw-r--r--gprof/sparc.c162
1 files changed, 55 insertions, 107 deletions
diff --git a/gprof/sparc.c b/gprof/sparc.c
index 2fd7c65..98e29ce 100644
--- a/gprof/sparc.c
+++ b/gprof/sparc.c
@@ -16,116 +16,64 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+#include "gprof.h"
+#include "cg_arcs.h"
+#include "core.h"
+#include "hist.h"
+#include "symtab.h"
-#ifndef lint
-static char sccsid[] = "@(#)tahoe.c 1.5 (Berkeley) 6/1/90";
-#endif /* not lint */
-#include "gprof.h"
-
- /*
- * a namelist entry to be the child of indirect callf
- */
-nltype indirectchild = {
- "(*)" , /* the name */
- (unsigned long) 0 , /* the pc entry point */
- (unsigned long) 0 , /* entry point aligned to histogram */
- (double) 0.0 , /* ticks in this routine */
- (double) 0.0 , /* cumulative ticks in children */
- (long) 0 , /* how many times called */
- (long) 0 , /* how many calls to self */
- (double) 1.0 , /* propagation fraction */
- (double) 0.0 , /* self propagation time */
- (double) 0.0 , /* child propagation time */
- (bool) 0 , /* print flag */
- (int) 0 , /* index in the graph list */
- (int) 0 , /* graph call chain top-sort order */
- (int) 0 , /* internal number of cycle on */
- (struct nl *) &indirectchild , /* pointer to head of cycle */
- (struct nl *) 0 , /* pointer to next member of cycle */
- (arctype *) 0 , /* list of caller arcs */
- (arctype *) 0 /* list of callee arcs */
- };
-
-findcall( parentp , p_lowpc , p_highpc )
- nltype *parentp;
- unsigned long p_lowpc;
- unsigned long p_highpc;
+void
+find_call(parent, p_lowpc, p_highpc)
+ Sym *parent;
+ bfd_vma p_lowpc;
+ bfd_vma p_highpc;
{
- unsigned char *instructp;
- long length;
- nltype *childp;
- unsigned long destpc;
-
- if ( textspace == 0 ) {
+ bfd_vma dest_pc, delta;
+ unsigned int *instr;
+ Sym *child;
+
+ delta = (bfd_vma) core_text_space - core_text_sect->vma;
+
+ if (core_text_space == 0) {
return;
- }
- if ( p_lowpc < s_lowpc ) {
+ } /* if */
+ if (p_lowpc < s_lowpc) {
p_lowpc = s_lowpc;
- }
- if ( p_highpc > s_highpc ) {
+ } /* if */
+ if (p_highpc > s_highpc) {
p_highpc = s_highpc;
- }
-# ifdef DEBUG
- if ( debug & CALLDEBUG ) {
- printf( "[findcall] %s: 0x%x to 0x%x\n" ,
- parentp -> name , p_lowpc , p_highpc );
- }
-# endif DEBUG
- for ( instructp = textspace + p_lowpc ;
- instructp < textspace + p_highpc ;
- instructp += length ) {
- length = 1;
- if ( (*instructp & CALL) ) {
-# ifdef DEBUG
- if ( debug & CALLDEBUG ) {
- printf( "[findcall]\t0x%x:callf" , instructp - textspace );
- }
-# endif DEBUG
- length = 4; /* constant length in a SPARC */
- /*
- * regular pc relative addressing
- * check that this is the address of
- * a function.
- */
- destpc = ( (unsigned long)instructp + (*(long *)instructp & ~CALL) )
- - (unsigned long) textspace;
- if ( destpc >= s_lowpc && destpc <= s_highpc ) {
- childp = nllookup( destpc );
-# ifdef DEBUG
- if ( debug & CALLDEBUG ) {
- printf( "[findcall]\tdestpc 0x%x" , destpc );
- printf( " childp->name %s" , childp -> name );
- printf( " childp->value 0x%x\n" ,
- childp -> value );
- }
-# endif DEBUG
- if ( childp -> value == destpc ) {
- /*
- * a hit
- */
- addarc( parentp , childp , (long) 0 );
- length += 4; /* constant lengths */
- continue;
- }
- goto botched;
- }
- /*
- * else:
- * it looked like a callf,
- * but it wasn't to anywhere.
- */
- botched:
- /*
- * something funny going on.
- */
-# ifdef DEBUG
- if ( debug & CALLDEBUG ) {
- printf( "[findcall]\tbut it's a botch\n" );
- }
-# endif DEBUG
- length = 1;
- continue;
- }
- }
- }
+ } /* if */
+ DBG(CALLDEBUG, printf("[find_call] %s: 0x%lx to 0x%lx\n",
+ parent->name, p_lowpc, p_highpc));
+ for (instr = (unsigned int*)(p_lowpc + delta);
+ instr < (unsigned int*)(p_highpc + delta);
+ ++instr)
+ {
+ if ((*instr & CALL)) {
+ DBG(CALLDEBUG,
+ printf("[find_call] 0x%lx: callf", (bfd_vma) instr - delta));
+ /*
+ * Regular pc relative addressing check that this is the
+ * address of a function.
+ */
+ dest_pc = ((bfd_vma) (instr + (*instr & ~CALL))) - delta;
+ if (dest_pc >= s_lowpc && dest_pc <= s_highpc) {
+ child = sym_lookup(&symtab, dest_pc);
+ DBG(CALLDEBUG,
+ printf("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n",
+ dest_pc, child->name, child->addr));
+ if (child->addr == dest_pc) {
+ /* a hit: */
+ arc_add(parent, child, 0);
+ continue;
+ } /* if */
+ } /* if */
+ /*
+ * Something funny going on.
+ */
+ DBG(CALLDEBUG, printf("\tbut it's a botch\n"));
+ } /* if */
+ } /* for */
+} /* find_call */
+ /*** end of sparc.c ***/