From baa62830ed84d45b414ff677b7bce900a21923ce Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Thu, 10 May 2018 16:23:44 -0600 Subject: [PATCH] Remove some unneeded psymtab initializations allocate_psymtab has long cleared the new psymtab that is returned. This patch documents this behavior and then removes some redundant initializations. gdb/ChangeLog 2019-01-10 Tom Tromey * xcoffread.c (xcoff_end_psymtab): Remove some initializations. * psymtab.c (allocate_psymtab): Add comment. * psympriv.h (allocate_psymtab): Add comment. * dwarf2read.c (dwarf2_create_include_psymtab): Remove some initializations. * dbxread.c (dbx_end_psymtab): Remove some initializations. --- gdb/ChangeLog | 9 +++++++++ gdb/dbxread.c | 7 ------- gdb/dwarf2read.c | 6 ------ gdb/psympriv.h | 10 ++++++++-- gdb/psymtab.c | 2 ++ gdb/xcoffread.c | 7 ------- 6 files changed, 19 insertions(+), 22 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index dc64607..99b5afd 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,14 @@ 2019-01-10 Tom Tromey + * xcoffread.c (xcoff_end_psymtab): Remove some initializations. + * psymtab.c (allocate_psymtab): Add comment. + * psympriv.h (allocate_psymtab): Add comment. + * dwarf2read.c (dwarf2_create_include_psymtab): Remove some + initializations. + * dbxread.c (dbx_end_psymtab): Remove some initializations. + +2019-01-10 Tom Tromey + * symfile.h (mdebug_build_psymtabs, elfmdebug_build_psymtabs): Don't declare. * mipsread.c: Include mdebugread.h. diff --git a/gdb/dbxread.c b/gdb/dbxread.c index e3a9520..743fced 100644 --- a/gdb/dbxread.c +++ b/gdb/dbxread.c @@ -2057,13 +2057,6 @@ dbx_end_psymtab (struct objfile *objfile, struct partial_symtab *pst, subpst->dependencies[0] = pst; subpst->number_of_dependencies = 1; - subpst->globals_offset = - subpst->n_global_syms = - subpst->statics_offset = - subpst->n_static_syms = 0; - - subpst->readin = 0; - subpst->compunit_symtab = 0; subpst->read_symtab = pst->read_symtab; } diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index ddf07f1..40d173a 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -6592,13 +6592,7 @@ dwarf2_create_include_psymtab (const char *name, struct partial_symtab *pst, subpst->dependencies[0] = pst; subpst->number_of_dependencies = 1; - subpst->globals_offset = 0; - subpst->n_global_syms = 0; - subpst->statics_offset = 0; - subpst->n_static_syms = 0; - subpst->compunit_symtab = NULL; subpst->read_symtab = pst->read_symtab; - subpst->readin = 0; /* No private part is necessary for include psymtabs. This property can be used to differentiate between such include psymtabs and diff --git a/gdb/psympriv.h b/gdb/psympriv.h index e28adfe..76893f2 100644 --- a/gdb/psympriv.h +++ b/gdb/psympriv.h @@ -290,8 +290,14 @@ extern struct partial_symtab *start_psymtab_common (struct objfile *, extern void end_psymtab_common (struct objfile *, struct partial_symtab *); -extern struct partial_symtab *allocate_psymtab (const char *, - struct objfile *) +/* Allocate a new partial symbol table associated with OBJFILE. + FILENAME (which must be non-NULL) is the filename of this partial + symbol table; it is copied into the appropriate storage. A new + partial symbol table is returned; aside from "next" and "filename", + its fields are initialized to zero. */ + +extern struct partial_symtab *allocate_psymtab (const char *filename, + struct objfile *objfile) ATTRIBUTE_NONNULL (1); extern void discard_psymtab (struct objfile *, struct partial_symtab *); diff --git a/gdb/psymtab.c b/gdb/psymtab.c index d5bd5b1..1a54ea9 100644 --- a/gdb/psymtab.c +++ b/gdb/psymtab.c @@ -1677,6 +1677,8 @@ init_psymbol_list (struct objfile *objfile, int total_symbols) objfile->static_psymbols.reserve (total_symbols / 10); } +/* See psympriv.h. */ + struct partial_symtab * allocate_psymtab (const char *filename, struct objfile *objfile) { diff --git a/gdb/xcoffread.c b/gdb/xcoffread.c index b8ab292..41ff583 100644 --- a/gdb/xcoffread.c +++ b/gdb/xcoffread.c @@ -2103,13 +2103,6 @@ xcoff_end_psymtab (struct objfile *objfile, struct partial_symtab *pst, subpst->dependencies[0] = pst; subpst->number_of_dependencies = 1; - subpst->globals_offset = - subpst->n_global_syms = - subpst->statics_offset = - subpst->n_static_syms = 0; - - subpst->readin = 0; - subpst->compunit_symtab = NULL; subpst->read_symtab = pst->read_symtab; } -- 2.7.4