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-rw-r--r--gprof/symtab.c271
1 files changed, 0 insertions, 271 deletions
diff --git a/gprof/symtab.c b/gprof/symtab.c
deleted file mode 100644
index 53b261a70ef..00000000000
--- a/gprof/symtab.c
+++ /dev/null
@@ -1,271 +0,0 @@
-#include "gprof.h"
-#include "cg_arcs.h"
-#include "corefile.h"
-#include "symtab.h"
-
-Sym_Table symtab;
-
-
-/*
- * Initialize a symbol (so it's empty).
- */
-void
-DEFUN (sym_init, (sym), Sym * sym)
-{
- memset (sym, 0, sizeof (*sym));
- /*
- * It is not safe to assume that a binary zero corresponds to
- * a floating-point 0.0, so initialize floats explicitly:
- */
- sym->hist.time = 0.0;
- sym->cg.child_time = 0.0;
- sym->cg.prop.fract = 0.0;
- sym->cg.prop.self = 0.0;
- sym->cg.prop.child = 0.0;
-}
-
-
-/*
- * Compare the function entry-point of two symbols and return <0, =0,
- * or >0 depending on whether the left value is smaller than, equal
- * to, or greater than the right value. If two symbols are equal
- * but one has is_func set and the other doesn't, we make the
- * non-function symbol one "bigger" so that the function symbol will
- * survive duplicate removal. Finally, if both symbols have the
- * same is_func value, we discriminate against is_static such that
- * the global symbol survives.
- */
-static int
-DEFUN (cmp_addr, (lp, rp), const PTR lp AND const PTR rp)
-{
- Sym *left = (Sym *) lp;
- Sym *right = (Sym *) rp;
-
- if (left->addr > right->addr)
- {
- return 1;
- }
- else if (left->addr < right->addr)
- {
- return -1;
- }
-
- if (left->is_func != right->is_func)
- {
- return right->is_func - left->is_func;
- }
-
- return left->is_static - right->is_static;
-}
-
-
-void
-DEFUN (symtab_finalize, (tab), Sym_Table * tab)
-{
- Sym *src, *dst;
- bfd_vma prev_addr;
-
- if (!tab->len)
- {
- return;
- }
-
- /*
- * Sort symbol table in order of increasing function addresses:
- */
- qsort (tab->base, tab->len, sizeof (Sym), cmp_addr);
-
- /*
- * Remove duplicate entries to speed-up later processing and
- * set end_addr if its not set yet:
- */
- prev_addr = tab->base[0].addr + 1;
- for (src = dst = tab->base; src < tab->limit; ++src)
- {
- if (src->addr == prev_addr)
- {
- /*
- * If same address, favor global symbol over static one,
- * then function over line number. If both symbols are
- * either static or global and either function or line, check
- * whether one has name beginning with underscore while
- * the other doesn't. In such cases, keep sym without
- * underscore. This takes cares of compiler generated
- * symbols (such as __gnu_compiled, __c89_used, etc.).
- */
- if ((!src->is_static && dst[-1].is_static)
- || ((src->is_static == dst[-1].is_static)
- && ((src->is_func && !dst[-1].is_func)
- || ((src->is_func == dst[-1].is_func)
- && ((src->name[0] != '_' && dst[-1].name[0] == '_')
- || (src->name[0]
- && src->name[1] != '_'
- && dst[-1].name[1] == '_'))))))
- {
- DBG (AOUTDEBUG | IDDEBUG,
- printf ("[symtab_finalize] favor %s@%c%c over %s@%c%c",
- src->name, src->is_static ? 't' : 'T',
- src->is_func ? 'F' : 'f',
- dst[-1].name, dst[-1].is_static ? 't' : 'T',
- dst[-1].is_func ? 'F' : 'f');
- printf (" (addr=%lx)\n", (unsigned long) src->addr));
- dst[-1] = *src;
- }
- else
- {
- DBG (AOUTDEBUG | IDDEBUG,
- printf ("[symtab_finalize] favor %s@%c%c over %s@%c%c",
- dst[-1].name, dst[-1].is_static ? 't' : 'T',
- dst[-1].is_func ? 'F' : 'f',
- src->name, src->is_static ? 't' : 'T',
- src->is_func ? 'F' : 'f');
- printf (" (addr=%lx)\n", (unsigned long) src->addr));
- }
- }
- else
- {
- if (dst > tab->base && dst[-1].end_addr == 0)
- {
- dst[-1].end_addr = src->addr - 1;
- }
-
- /* retain sym only if it has a non-empty address range: */
- if (!src->end_addr || src->addr <= src->end_addr)
- {
- *dst++ = *src;
- prev_addr = src->addr;
- }
- }
- }
- if (tab->len > 0 && dst[-1].end_addr == 0)
- {
- dst[-1].end_addr = core_text_sect->vma + core_text_sect->_raw_size - 1;
- }
-
- DBG (AOUTDEBUG | IDDEBUG,
- printf ("[symtab_finalize]: removed %d duplicate entries\n",
- tab->len - (int) (dst - tab->base)));
-
- tab->limit = dst;
- tab->len = tab->limit - tab->base;
-
- DBG (AOUTDEBUG | IDDEBUG,
- unsigned int j;
-
- for (j = 0; j < tab->len; ++j)
- {
- printf ("[symtab_finalize] 0x%lx-0x%lx\t%s\n",
- (long) tab->base[j].addr, (long) tab->base[j].end_addr,
- tab->base[j].name);
- }
- );
-}
-
-
-#ifdef DEBUG
-
-Sym *
-DEFUN (dbg_sym_lookup, (symtab, address), Sym_Table * symtab AND bfd_vma address)
-{
- long low, mid, high;
- Sym *sym;
-
- fprintf (stderr, "[dbg_sym_lookup] address 0x%lx\n",
- (unsigned long) address);
-
- sym = symtab->base;
- for (low = 0, high = symtab->len - 1; low != high;)
- {
- mid = (high + low) >> 1;
- fprintf (stderr, "[dbg_sym_lookup] low=0x%lx, mid=0x%lx, high=0x%lx\n",
- low, mid, high);
- fprintf (stderr, "[dbg_sym_lookup] sym[m]=0x%lx sym[m + 1]=0x%lx\n",
- (unsigned long) sym[mid].addr,
- (unsigned long) sym[mid + 1].addr);
- if (sym[mid].addr <= address && sym[mid + 1].addr > address)
- {
- return &sym[mid];
- }
- if (sym[mid].addr > address)
- {
- high = mid;
- }
- else
- {
- low = mid + 1;
- }
- }
- fprintf (stderr, "[dbg_sym_lookup] binary search fails???\n");
- return 0;
-}
-
-#endif /* DEBUG */
-
-
-/*
- * Look up an address in the symbol-table that is sorted by address.
- * If address does not hit any symbol, 0 is returned.
- */
-Sym *
-DEFUN (sym_lookup, (symtab, address), Sym_Table * symtab AND bfd_vma address)
-{
- long low, high;
- long mid = -1;
- Sym *sym;
-#ifdef DEBUG
- int probes = 0;
-#endif /* DEBUG */
-
- if (!symtab->len)
- {
- return 0;
- }
-
- sym = symtab->base;
- for (low = 0, high = symtab->len - 1; low != high;)
- {
- DBG (LOOKUPDEBUG, ++probes);
- mid = (high + low) / 2;
- if (sym[mid].addr <= address && sym[mid + 1].addr > address)
- {
- if (address > sym[mid].end_addr)
- {
- /*
- * Address falls into gap between sym[mid] and
- * sym[mid + 1]:
- */
- return 0;
- }
- else
- {
- DBG (LOOKUPDEBUG,
- printf ("[sym_lookup] %d probes (symtab->len=%u)\n",
- probes, symtab->len - 1));
- return &sym[mid];
- }
- }
- if (sym[mid].addr > address)
- {
- high = mid;
- }
- else
- {
- low = mid + 1;
- }
- }
- if (sym[mid + 1].addr <= address)
- {
- if (address > sym[mid + 1].end_addr)
- {
- /* address is beyond end of sym[mid + 1]: */
- return 0;
- }
- else
- {
- DBG (LOOKUPDEBUG, printf ("[sym_lookup] %d (%u) probes, fall off\n",
- probes, symtab->len - 1));
- return &sym[mid + 1];
- }
- }
- return 0;
-}
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