diff options
Diffstat (limited to 'libdw/dwarf_formref_die.c')
| -rw-r--r-- | libdw/dwarf_formref_die.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/libdw/dwarf_formref_die.c b/libdw/dwarf_formref_die.c index 90a4b2d3..6926c1a8 100644 --- a/libdw/dwarf_formref_die.c +++ b/libdw/dwarf_formref_die.c @@ -56,13 +56,15 @@ Dwarf_Die * -dwarf_formref_die (attr, die_mem) +__libdw_formref_die_rdlock (attr, die_mem) Dwarf_Attribute *attr; Dwarf_Die *die_mem; { if (attr == NULL) return NULL; + Dwarf *dbg = attr->cu->dbg; + Dwarf_Off offset; if (attr->form == DW_FORM_ref_addr) { @@ -73,18 +75,33 @@ dwarf_formref_die (attr, die_mem) : attr->cu->offset_size); if (ref_size == 8) - offset = read_8ubyte_unaligned (attr->cu->dbg, attr->valp); + offset = read_8ubyte_unaligned (dbg, attr->valp); else - offset = read_4ubyte_unaligned (attr->cu->dbg, attr->valp); + offset = read_4ubyte_unaligned (dbg, attr->valp); } else { /* Other forms produce an offset from the CU. */ - if (unlikely (__libdw_formref (attr, &offset) != 0)) + if (unlikely (__libdw_formref_rdlock (attr, &offset) != 0)) return NULL; offset += attr->cu->start; } - return INTUSE(dwarf_offdie) (attr->cu->dbg, offset, die_mem); + return __libdw_offdie_rdlock (dbg, offset, die_mem); +} + +Dwarf_Die * +dwarf_formref_die (attr, die_mem) + Dwarf_Attribute *attr; + Dwarf_Die *die_mem; +{ + if (attr == NULL) + return NULL; + + rwlock_rdlock (attr->cu->dbg->lock); + Dwarf_Die *retval = __libdw_formref_die_rdlock (attr, die_mem); + rwlock_unlock (attr->cu->dbg->lock); + + return retval; } INTDEF (dwarf_formref_die) |