diff options
Diffstat (limited to 'gas/config/tc-fr30.c')
-rw-r--r-- | gas/config/tc-fr30.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gas/config/tc-fr30.c b/gas/config/tc-fr30.c index accb3895f..50cb233 100644 --- a/gas/config/tc-fr30.c +++ b/gas/config/tc-fr30.c @@ -557,3 +557,65 @@ md_atof (type, litP, sizeP) return 0; } +/* Determines if the symbol starting at START and ending in + a colon that was at the location pointed to by INPUT_LINE_POINTER + (but which has now been replaced bu a NUL) is in fact an + LDI:8, LDI:20 or LDI:32 instruction. If it is, then it + restores the colon, adbvances INPUT_LINE_POINTER to the real end + of the instruction/symbol, and returns the character that really + terminated the symbol. Otherwise it returns 0. */ +char +fr30_is_label_start (start) + char * start; +{ + char * i_l_p = input_line_pointer; + char c; + + /* Check to see if the symbol parsed so far is 'ldi' */ + if ( (start[0] != 'l' && start[0] != 'L') + || (start[1] != 'd' && start[1] != 'D') + || (start[2] != 'i' && start[2] != 'I') + || start[3] != 0) + return 0; + + /* Check to see if the text following the colon is '8' */ + if (i_l_p[1] == '8' && (i_l_p[2] == ' ' || i_l_p[2] == '\t')) + { + /* Restore the colon, and advance input_line_pointer to + the end of the new symbol. */ + * i_l_p = ':'; + input_line_pointer += 2; + c = * input_line_pointer; + * input_line_pointer = 0; + + return c; + } + + /* Check to see if the text following the colon is '20' */ + if (i_l_p[1] == '2' && i_l_p[2] =='0' && (i_l_p[3] == ' ' || i_l_p[3] == '\t')) + { + /* Restore the colon, and advance input_line_pointer to + the end of the new symbol. */ + * i_l_p = ':'; + input_line_pointer += 3; + c = * input_line_pointer; + * input_line_pointer = 0; + + return c; + } + + /* Check to see if the text following the colon is '32' */ + if (i_l_p[1] == '3' && i_l_p[2] =='2' && (i_l_p[3] == ' ' || i_l_p[3] == '\t')) + { + /* Restore the colon, and advance input_line_pointer to + the end of the new symbol. */ + * i_l_p = ':'; + input_line_pointer += 3; + c = * input_line_pointer; + * input_line_pointer = 0; + + return c; + } + + return 0; +} |