On 09/12/14 11:43, Janne Grunau wrote:
The ':req' requires a macro argument to be non blank. Gas-preprocessor can safely ignore it since it is only expected to handle input gnu as considers valid. --- gas-preprocessor.pl | 4 ++-- test.S | 6 ++++++ 2 files changed, 8 insertions(+), 2 deletions(-)diff --git a/gas-preprocessor.pl b/gas-preprocessor.pl index fbf0853..c402838 100755 --- a/gas-preprocessor.pl +++ b/gas-preprocessor.pl @@ -413,7 +413,7 @@ sub parse_line { foreach my $i (0 .. $#args) { my @argpair = split(/=/, $args[$i]); $macro_args{$current_macro}[$i] = $argpair[0]; - $argpair[0] =~ s/:vararg$//; + $argpair[0] =~ s/:(req|vararg)$//; $macro_args_default{$current_macro}{$argpair[0]} = $argpair[1]; } # ensure %macro_lines has the macro name added as a key @@ -587,7 +587,7 @@ sub expand_macros { die "Too many arguments to macro $macro"; } } else { - $argname =~ s/:vararg$//; + $argname =~ s/:(req|vararg)$//; $replacements{$argname} = $args[$i]; } } diff --git a/test.S b/test.S index acf59e9..818bab1 100644 --- a/test.S +++ b/test.S @@ -92,3 +92,9 @@ argtest3 1 2 6 / 2 alttest 5 alttest 15 .noaltmacro + +.macro req_mod_test first:req + mov r0, #\first +.endm + +req_mod_test 3
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