diff options
| author | Keith Randall <khr@golang.org> | 2013-08-29 12:36:59 -0700 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2013-08-29 12:36:59 -0700 |
| commit | 99727813962faed41ef1ef8eaabe0fa41e48be58 (patch) | |
| tree | 9896ac4580944564cea403984e2d78dbb9433217 /src/cmd/cc | |
| parent | 8c0b259ac20f59b8375ca648bd3b99088d3fde69 (diff) | |
| download | go-99727813962faed41ef1ef8eaabe0fa41e48be58.tar.gz | |
cmd/cc,runtime: change preprocessor to expand macros inside of
#pragma textflag and #pragma dataflag directives.
Update dataflag directives to use symbols instead of integer constants.
R=golang-dev, bradfitz
CC=golang-dev
https://codereview.appspot.com/13310043
Diffstat (limited to 'src/cmd/cc')
| -rw-r--r-- | src/cmd/cc/dpchk.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/cmd/cc/dpchk.c b/src/cmd/cc/dpchk.c index 34163ff92..606bf40dd 100644 --- a/src/cmd/cc/dpchk.c +++ b/src/cmd/cc/dpchk.c @@ -567,7 +567,19 @@ pragfpround(void) void pragtextflag(void) { - textflag = getnsn(); + Sym *s; + + s = getsym(); + if(s == S) { + textflag = getnsn(); + } else { + if(s->macro) { + macexpand(s, symb); + } + if(symb[0] < '0' || symb[0] > '9') + yyerror("pragma textflag not an integer"); + textflag = atoi(symb); + } while(getnsc() != '\n') ; if(debug['f']) @@ -577,7 +589,19 @@ pragtextflag(void) void pragdataflag(void) { - dataflag = getnsn(); + Sym *s; + + s = getsym(); + if(s == S) { + dataflag = getnsn(); + } else { + if(s->macro) { + macexpand(s, symb); + } + if(symb[0] < '0' || symb[0] > '9') + yyerror("pragma dataflag not an integer"); + dataflag = atoi(symb); + } while(getnsc() != '\n') ; if(debug['f']) |