diff options
Diffstat (limited to 'usr/src/lib/libproc/common/Pcontrol.h')
| -rw-r--r-- | usr/src/lib/libproc/common/Pcontrol.h | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/usr/src/lib/libproc/common/Pcontrol.h b/usr/src/lib/libproc/common/Pcontrol.h index 8ac88d33cb..5a4d606c9d 100644 --- a/usr/src/lib/libproc/common/Pcontrol.h +++ b/usr/src/lib/libproc/common/Pcontrol.h @@ -19,7 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -53,12 +53,31 @@ extern "C" { * These may change without affecting clients of libproc. */ +/* + * sym_tbl_t contains a primary and an (optional) auxiliary symbol table, which + * we wish to treat as a single logical symbol table. In this logical table, + * the data from the auxiliary table preceeds that from the primary. Symbol + * indices start at [0], which is the first item in the auxiliary table + * if there is one. The sole purpose for this is so that we can treat the + * combination of .SUNW_ldynsym and .dynsym sections as a logically single + * entity without having to violate the public interface to libelf. + * + * Both tables must share the same string table section. + * + * The symtab_getsym() function serves as a gelf_getsym() replacement + * that is aware of the two tables and makes them look like a single table + * to the caller. + * + */ typedef struct sym_tbl { /* symbol table */ - Elf_Data *sym_data; /* start of table */ - size_t sym_symn; /* number of entries */ + Elf_Data *sym_data_pri; /* primary table */ + Elf_Data *sym_data_aux; /* auxiliary table */ + size_t sym_symn_aux; /* number of entries in auxiliary table */ + size_t sym_symn; /* total number of entries in both tables */ char *sym_strs; /* ptr to strings */ size_t sym_strsz; /* size of string table */ - GElf_Shdr sym_hdr; /* symbol table section header */ + GElf_Shdr sym_hdr_pri; /* primary symbol table section header */ + GElf_Shdr sym_hdr_aux; /* auxiliary symbol table section header */ GElf_Shdr sym_strhdr; /* string table section header */ Elf *sym_elf; /* faked-up ELF handle from core file */ void *sym_elfmem; /* data for faked-up ELF handle */ |