diff options
Diffstat (limited to 'gas/config/tc-z80.c')
| -rw-r--r-- | gas/config/tc-z80.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gas/config/tc-z80.c b/gas/config/tc-z80.c index e7f014c..add28a3 100644 --- a/gas/config/tc-z80.c +++ b/gas/config/tc-z80.c @@ -633,6 +633,33 @@ z80_start_line_hook (void) break; } } + /* Remove leading zeros from dollar local labels if SDCC compat enabled. */ + if (sdcc_compat && *input_line_pointer == '0') + { + char *dollar; + + /* SDCC emits at most one label definition per line, so it is + enough to look at only the first label. Hand-written asm + might use more, but then it is unlikely to use leading zeros + on dollar local labels. */ + + /* Place p at the first character after [0-9]+. */ + for (p = input_line_pointer; *p >= '0' && *p <= '9'; ++p) + ; + + /* Is this a dollar sign label? + GAS allows spaces between $ and :, but SDCC does not. */ + if (p[0] == '$' && p[1] == ':') + { + dollar = p; + /* Replace zeros with spaces until the first non-zero, + but leave the last character before $ intact (for e.g. 0$:). */ + for (p = input_line_pointer; *p == '0' && p < dollar - 1; ++p) + { + *p = ' '; + } + } + } /* Check for <label>[:] =|([.](EQU|DEFL)) <value>. */ if (is_name_beginner (*input_line_pointer)) { |