From 0a07598a6944a2848e1b7d33d0baad774fb9156a Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Mon, 14 Jan 2013 20:51:43 +0000 Subject: PR symtab/14931: * psymtab.c (struct psymtab_state): New. (discard_psymtabs_upto, make_cleanup_discard_psymtabs): New functions. * psympriv.h (make_cleanup_discard_psymtabs): Declare. * dwarf2read.c (dwarf2_build_psymtabs): Catch exceptions. gdb/testsuite * gdb.dwarf2/dw2-error.exp: New file. * gdb.dwarf2/dw2-error.c: New file. * gdb.dwarf2/dw2-error.S: New file. --- gdb/psymtab.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'gdb/psymtab.c') diff --git a/gdb/psymtab.c b/gdb/psymtab.c index 5181ec3885f..24aef99b1b7 100644 --- a/gdb/psymtab.c +++ b/gdb/psymtab.c @@ -1798,6 +1798,44 @@ discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) objfile->free_psymtabs = pst; } +/* An object of this type is passed to discard_psymtabs_upto. */ + +struct psymtab_state +{ + /* The objfile where psymtabs are discarded. */ + + struct objfile *objfile; + + /* The first psymtab to save. */ + + struct partial_symtab *save; +}; + +/* A cleanup function used by make_cleanup_discard_psymtabs. */ + +static void +discard_psymtabs_upto (void *arg) +{ + struct psymtab_state *state = arg; + + while (state->objfile->psymtabs != state->save) + discard_psymtab (state->objfile, state->objfile->psymtabs); +} + +/* Return a new cleanup that discards all psymtabs created in OBJFILE + after this function is called. */ + +struct cleanup * +make_cleanup_discard_psymtabs (struct objfile *objfile) +{ + struct psymtab_state *state = XNEW (struct psymtab_state); + + state->objfile = objfile; + state->save = objfile->psymtabs; + + return make_cleanup_dtor (discard_psymtabs_upto, state, xfree); +} + static void -- cgit v1.2.1