diff options
| -rw-r--r-- | gas/ChangeLog | 4 | ||||
| -rw-r--r-- | gas/read.c | 107 |
2 files changed, 58 insertions, 53 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 80ae7bd..31d5b75 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,7 @@ +2003-08-16 Benjamin Kalytta <bkausbk@web.de> + + * read.c (s_print): Check for NULL. + 2003-08-16 Alan Modra <amodra@bigpond.net.au> * write.c (fixup_segment): When handling an expression involving @@ -51,17 +51,17 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA /* Set by the object-format or the target. */ #ifndef TC_IMPLICIT_LCOMM_ALIGNMENT -#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \ +#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \ do \ - { \ - if ((SIZE) >= 8) \ - (P2VAR) = 3; \ - else if ((SIZE) >= 4) \ - (P2VAR) = 2; \ - else if ((SIZE) >= 2) \ - (P2VAR) = 1; \ - else \ - (P2VAR) = 0; \ + { \ + if ((SIZE) >= 8) \ + (P2VAR) = 3; \ + else if ((SIZE) >= 4) \ + (P2VAR) = 2; \ + else if ((SIZE) >= 2) \ + (P2VAR) = 1; \ + else \ + (P2VAR) = 0; \ } \ while (0) #endif @@ -473,7 +473,7 @@ pobegin () /* Now portable ones. Skip any that we've seen already. */ pop_table_name = "standard"; pop_insert (potable); - + #ifdef TARGET_USE_CFIPOP pop_table_name = "cfi"; pop_override_ok = 1; @@ -601,8 +601,8 @@ read_a_source_file (name) } /* In MRI mode, we need to handle the MACRO - pseudo-op specially: we don't want to put the - symbol in the symbol table. */ + pseudo-op specially: we don't want to put the + symbol in the symbol table. */ if (!mri_line_macro #ifdef TC_START_LABEL_WITHOUT_COLON && TC_START_LABEL_WITHOUT_COLON(c, @@ -685,10 +685,10 @@ read_a_source_file (name) c = get_symbol_end (); /* name's delimiter. */ /* C is character after symbol. - That character's place in the input line is now '\0'. - S points to the beginning of the symbol. - [In case of pseudo-op, s->'.'.] - Input_line_pointer->'\0' where c was. */ + That character's place in the input line is now '\0'. + S points to the beginning of the symbol. + [In case of pseudo-op, s->'.'.] + Input_line_pointer->'\0' where c was. */ if (TC_START_LABEL (c, input_line_pointer)) { if (flag_m68k_mri) @@ -754,7 +754,7 @@ read_a_source_file (name) if (NO_PSEUDO_DOT || flag_m68k_mri) { /* The MRI assembler and the m88k use pseudo-ops - without a period. */ + without a period. */ pop = (pseudo_typeS *) hash_find (po_hash, s); if (pop != NULL && pop->poc_handler == NULL) pop = NULL; @@ -765,16 +765,16 @@ read_a_source_file (name) { /* PSEUDO - OP. - WARNING: c has next char, which may be end-of-line. - We lookup the pseudo-op table with s+1 because we - already know that the pseudo-op begins with a '.'. */ + WARNING: c has next char, which may be end-of-line. + We lookup the pseudo-op table with s+1 because we + already know that the pseudo-op begins with a '.'. */ if (pop == NULL) pop = (pseudo_typeS *) hash_find (po_hash, s + 1); /* In MRI mode, we may need to insert an - automatic alignment directive. What a hack - this is. */ + automatic alignment directive. What a hack + this is. */ if (mri_pending_align && (pop == NULL || !((pop->poc_handler == cons @@ -821,8 +821,8 @@ read_a_source_file (name) input_line_pointer++; /* Input_line is restored. - Input_line_pointer->1st non-blank char - after pseudo-operation. */ + Input_line_pointer->1st non-blank char + after pseudo-operation. */ (*pop->poc_handler) (pop->poc_val); /* If that was .end, just get out now. */ @@ -1605,7 +1605,7 @@ s_app_file (appfile) = (!new_logical_line (s, appfile ? -2 : -1) && appfile); /* In MRI mode, the preprocessor may have inserted an extraneous - backquote. */ + backquote. */ if (flag_m68k_mri && *input_line_pointer == '\'' && is_end_of_line[(unsigned char) input_line_pointer[1]]) @@ -1656,7 +1656,7 @@ s_end (ignore) if (flag_mri) { /* The MRI assembler permits the start symbol to follow .end, - but we don't support that. */ + but we don't support that. */ SKIP_WHITESPACE (); if (!is_end_of_line[(unsigned char) *input_line_pointer] && *input_line_pointer != '*' @@ -1782,18 +1782,18 @@ s_fill (ignore) memset (p, 0, (unsigned int) size); /* The magic number BSD_FILL_SIZE_CROCK_4 is from BSD 4.2 VAX - flavoured AS. The following bizarre behaviour is to be - compatible with above. I guess they tried to take up to 8 - bytes from a 4-byte expression and they forgot to sign - extend. */ + flavoured AS. The following bizarre behaviour is to be + compatible with above. I guess they tried to take up to 8 + bytes from a 4-byte expression and they forgot to sign + extend. */ #define BSD_FILL_SIZE_CROCK_4 (4) md_number_to_chars (p, (valueT) fill, (size > BSD_FILL_SIZE_CROCK_4 ? BSD_FILL_SIZE_CROCK_4 : (int) size)); /* Note: .fill (),0 emits no frag (since we are asked to .fill 0 bytes) - but emits no error message because it seems a legal thing to do. - It is a degenerate case of .fill but could be emitted by a + but emits no error message because it seems a legal thing to do. + It is a degenerate case of .fill but could be emitted by a compiler. */ } demand_empty_rest_of_line (); @@ -2129,8 +2129,8 @@ s_lcomm_internal (needs_align, bytes_p) #ifdef OBJ_COFF /* The symbol may already have been created with a preceding - ".globl" directive -- be careful not to step on storage class - in that case. Otherwise, set it to static. */ + ".globl" directive -- be careful not to step on storage class + in that case. Otherwise, set it to static. */ if (S_GET_STORAGE_CLASS (symbolP) != C_EXT) { S_SET_STORAGE_CLASS (symbolP, C_STAT); @@ -2665,7 +2665,8 @@ s_print (ignore) int len; s = demand_copy_C_string (&len); - printf ("%s\n", s); + if (s != NULL) + printf ("%s\n", s); demand_empty_rest_of_line (); } @@ -2832,7 +2833,7 @@ s_set (equiv) #ifndef NO_LISTING /* When doing symbol listings, play games with dummy fragments living outside the normal fragment chain to record the file and line info - for this symbol. */ + for this symbol. */ if (listing & LISTING_SYMBOLS) { extern struct list_info_struct *listing_tail; @@ -3200,11 +3201,11 @@ discard_rest_of_line () } /* In: Pointer to a symbol. - Input_line_pointer->expression. + Input_line_pointer->expression. Out: Input_line_pointer->just after any whitespace after expression. - Tried to set symbol to value of expression. - Will change symbols type, value, and frag; */ + Tried to set symbol to value of expression. + Will change symbols type, value, and frag; */ void pseudo_set (symbolP) @@ -3301,7 +3302,7 @@ pseudo_set (symbolP) } } -/* cons() +/* cons() CONStruct more frag of .bytes, or .words etc. Should need_pass_2 be 1 then emit no frag(s). @@ -4119,7 +4120,7 @@ hex_float (float_type, bytes) return length; } -/* float_cons() +/* float_cons() CONStruct some more frag chars of .floats .ffloats etc. Makes 0 or more new frags. @@ -4162,15 +4163,15 @@ float_cons (float_type) SKIP_WHITESPACE (); /* Skip any 0{letter} that may be present. Don't even check if the - letter is legal. Someone may invent a "z" format and this routine - has no use for such information. Lusers beware: you get - diagnostics if your input is ill-conditioned. */ + letter is legal. Someone may invent a "z" format and this routine + has no use for such information. Lusers beware: you get + diagnostics if your input is ill-conditioned. */ if (input_line_pointer[0] == '0' && ISALPHA (input_line_pointer[1])) input_line_pointer += 2; /* Accept :xxxx, where the x's are hex digits, for a floating - point with the exact digits specified. */ + point with the exact digits specified. */ if (input_line_pointer[0] == ':') { ++input_line_pointer; @@ -4583,7 +4584,7 @@ stringer (append_zero) /* Worker to do .ascii etc statements. */ c = 0; ignore_rest_of_line (); } - + while (c == ',' || c == '<' || c == '"') { SKIP_WHITESPACE (); @@ -4605,11 +4606,11 @@ stringer (append_zero) /* Worker to do .ascii etc statements. */ #ifndef NO_LISTING #ifdef OBJ_ELF /* In ELF, when gcc is emitting DWARF 1 debugging output, it - will emit .string with a filename in the .debug section - after a sequence of constants. See the comment in - emit_expr for the sequence. emit_expr will set - dwarf_file_string to non-zero if this string might be a - source file name. */ + will emit .string with a filename in the .debug section + after a sequence of constants. See the comment in + emit_expr for the sequence. emit_expr will set + dwarf_file_string to non-zero if this string might be a + source file name. */ if (strcmp (segment_name (now_seg), ".debug") != 0) dwarf_file_string = 0; else if (dwarf_file_string) @@ -5119,7 +5120,7 @@ s_include (arg) if (filename == NULL) { /* demand_copy_string has already printed an error and - called ignore_rest_of_line. */ + called ignore_rest_of_line. */ return; } } |