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authorRuss Cox <rsc@golang.org>2010-01-22 17:06:20 -0800
committerRuss Cox <rsc@golang.org>2010-01-22 17:06:20 -0800
commita5b02d4bb66ff7269bdaca033382498c2a64eee9 (patch)
treec53ac65c567f463be044834b10f08f7f77dd405e /src/cmd/cc
parentca3ec49f2cbf333bb7acb104778ec18693cf7038 (diff)
downloadgolang-a5b02d4bb66ff7269bdaca033382498c2a64eee9.tar.gz
eliminate the package global name space assumption in object files
5g/6g/8g: add import statements to export metadata, mapping package path to package name. recognize "" as the path of the package in export metadata. use "" as the path of the package in object symbol names. 5c/6c/8c, 5a/6a/8a: rewrite leading . to "". so that ·Sin means Sin in this package. 5l/6l/8l: rewrite "" in symbol names as object files are read. gotest: handle new symbol names. gopack: handle new import lines in export metadata. Collectively, these changes eliminate the assumption of a global name space in the object file formats. Higher level pieces such as reflect and the computation of type hashes still depend on the assumption; we're not done yet. R=ken2, r, ken3 CC=golang-dev http://codereview.appspot.com/186263 Committer: Russ Cox <rsc@golang.org>
Diffstat (limited to 'src/cmd/cc')
-rw-r--r--src/cmd/cc/lex.c9
-rw-r--r--src/cmd/cc/lexbody8
2 files changed, 15 insertions, 2 deletions
diff --git a/src/cmd/cc/lex.c b/src/cmd/cc/lex.c
index 5a5651852..857b15206 100644
--- a/src/cmd/cc/lex.c
+++ b/src/cmd/cc/lex.c
@@ -405,6 +405,13 @@ lookup(void)
int c, n;
char *r, *w;
+ if(symb[0] == 0xc2 && symb[1] == 0xb7) {
+ // turn leading · into ""·
+ memmove(symb+2, symb, w-symb);
+ symb[0] = '"';
+ symb[1] = '"';
+ }
+
// turn · into .
for(r=w=symb; *r; r++) {
if((uchar)*r == 0xc2 && (uchar)*(r+1) == 0xb7) {
@@ -413,7 +420,7 @@ lookup(void)
}else
*w++ = *r;
}
- *w = '\0';
+ *w++ = '\0';
h = 0;
for(p=symb; *p;) {
diff --git a/src/cmd/cc/lexbody b/src/cmd/cc/lexbody
index c3b2d4529..7c726b3f5 100644
--- a/src/cmd/cc/lexbody
+++ b/src/cmd/cc/lexbody
@@ -231,7 +231,13 @@ lookup(void)
}else
*w++ = *r;
}
- *w = '\0';
+ *w++ = '\0';
+ if(symb[0] == '.') {
+ // turn leading . into "".
+ memmove(symb+2, symb, w-symb);
+ symb[0] = '"';
+ symb[1] = '"';
+ }
h = 0;
for(p=symb; c = *p; p++)