X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gas%2Fcond.c;h=5996d2a59418e4f0424e77d54a0cb97517fc8981;hb=refs%2Fheads%2Fsandbox%2Fakazmin%2Fgnu_prop_segment;hp=4b6326f463c7a597c2da90cd08e3fe847433f0da;hpb=9fd07943ffd27fb0aeee0acf20262e45f6716316;p=external%2Fbinutils.git diff --git a/gas/cond.c b/gas/cond.c index 4b6326f..5996d2a 100644 --- a/gas/cond.c +++ b/gas/cond.c @@ -1,6 +1,5 @@ /* cond.c - conditional assembly pseudo-ops, and .include - Copyright 1990, 1991, 1992, 1993, 1995, 1997, 1998, 2000, 2001, 2002, - 2003, 2005, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 1990-2019 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -29,15 +28,17 @@ scanned. */ struct obstack cond_obstack; -struct file_line { - char *file; +struct file_line +{ + const char *file; unsigned int line; }; /* We push one of these structures for each .if, and pop it at the .endif. */ -struct conditional_frame { +struct conditional_frame +{ /* The source file & line number of the "if". */ struct file_line if_file_line; /* The source file & line of the "else". */ @@ -78,7 +79,7 @@ s_ifdef (int test_defined) SKIP_WHITESPACE (); name = input_line_pointer; - if (!is_name_beginner (*name)) + if (!is_name_beginner (*name) && *name != '"') { as_bad (_("invalid identifier for \".ifdef\"")); obstack_1grow (&cond_obstack, 0); @@ -86,12 +87,12 @@ s_ifdef (int test_defined) return; } - c = get_symbol_end (); + c = get_symbol_name (& name); symbolP = symbol_find (name); - *input_line_pointer = c; + (void) restore_line_pointer (c); initialize_cframe (&cframe); - + if (cframe.dead_tree) cframe.ignoring = 1; else @@ -109,9 +110,9 @@ s_ifdef (int test_defined) cframe.ignoring = ! (test_defined ^ is_defined); } - current_cframe = ((struct conditional_frame *) - obstack_copy (&cond_obstack, &cframe, - sizeof (cframe))); + current_cframe = + (struct conditional_frame *) obstack_alloc (&cond_obstack, sizeof cframe); + memcpy (current_cframe, &cframe, sizeof cframe); if (LISTING_SKIP_COND () && cframe.ignoring @@ -129,7 +130,7 @@ s_if (int arg) struct conditional_frame cframe; int t; char *stop = NULL; - char stopc; + char stopc = 0; if (flag_mri) stop = mri_comment_field (&stopc); @@ -167,8 +168,9 @@ s_if (int arg) using an undefined result. No big deal. */ initialize_cframe (&cframe); cframe.ignoring = cframe.dead_tree || ! t; - current_cframe = ((struct conditional_frame *) - obstack_copy (&cond_obstack, &cframe, sizeof (cframe))); + current_cframe = + (struct conditional_frame *) obstack_alloc (&cond_obstack, sizeof cframe); + memcpy (current_cframe, & cframe, sizeof cframe); if (LISTING_SKIP_COND () && cframe.ignoring @@ -191,7 +193,7 @@ s_ifb (int test_blank) struct conditional_frame cframe; initialize_cframe (&cframe); - + if (cframe.dead_tree) cframe.ignoring = 1; else @@ -203,9 +205,9 @@ s_ifb (int test_blank) cframe.ignoring = (test_blank == !is_eol); } - current_cframe = ((struct conditional_frame *) - obstack_copy (&cond_obstack, &cframe, - sizeof (cframe))); + current_cframe = + (struct conditional_frame *) obstack_alloc (&cond_obstack, sizeof cframe); + memcpy (current_cframe, &cframe, sizeof cframe); if (LISTING_SKIP_COND () && cframe.ignoring @@ -262,7 +264,7 @@ void s_ifc (int arg) { char *stop = NULL; - char stopc; + char stopc = 0; char *s1, *s2; int len1, len2; int res; @@ -284,10 +286,11 @@ s_ifc (int arg) initialize_cframe (&cframe); cframe.ignoring = cframe.dead_tree || ! (res ^ arg); - current_cframe = ((struct conditional_frame *) - obstack_copy (&cond_obstack, &cframe, sizeof (cframe))); - - if (LISTING_SKIP_COND () + current_cframe = + (struct conditional_frame *) obstack_alloc (&cond_obstack, sizeof cframe); + memcpy (current_cframe, &cframe, sizeof cframe); + + if (LISTING_SKIP_COND () && cframe.ignoring && (cframe.previous_cframe == NULL || ! cframe.previous_cframe->ignoring)) @@ -318,8 +321,8 @@ s_elseif (int arg) } else { - as_where (¤t_cframe->else_file_line.file, - ¤t_cframe->else_file_line.line); + current_cframe->else_file_line.file + = as_where (¤t_cframe->else_file_line.line); current_cframe->dead_tree |= !current_cframe->ignoring; current_cframe->ignoring = current_cframe->dead_tree; @@ -424,8 +427,8 @@ s_else (int arg ATTRIBUTE_UNUSED) } else { - as_where (¤t_cframe->else_file_line.file, - ¤t_cframe->else_file_line.line); + current_cframe->else_file_line.file + = as_where (¤t_cframe->else_file_line.line); current_cframe->ignoring = current_cframe->dead_tree | !current_cframe->ignoring; @@ -478,8 +481,9 @@ s_ifeqs (int arg) initialize_cframe (&cframe); cframe.ignoring = cframe.dead_tree || ! (res ^ arg); - current_cframe = ((struct conditional_frame *) - obstack_copy (&cond_obstack, &cframe, sizeof (cframe))); + current_cframe = + (struct conditional_frame *) obstack_alloc (&cond_obstack, sizeof cframe); + memcpy (current_cframe, &cframe, sizeof cframe); if (LISTING_SKIP_COND () && cframe.ignoring @@ -528,8 +532,8 @@ static void initialize_cframe (struct conditional_frame *cframe) { memset (cframe, 0, sizeof (*cframe)); - as_where (&cframe->if_file_line.file, - &cframe->if_file_line.line); + cframe->if_file_line.file + = as_where (&cframe->if_file_line.line); cframe->previous_cframe = current_cframe; cframe->dead_tree = current_cframe != NULL && current_cframe->ignoring; cframe->macro_nest = macro_nest; @@ -549,6 +553,7 @@ cond_finish_check (int nest) as_bad (_("end of macro inside conditional")); else as_bad (_("end of file inside conditional")); + as_bad_where (current_cframe->if_file_line.file, current_cframe->if_file_line.line, _("here is the start of the unterminated conditional"));