diff options
Diffstat (limited to 'src/cmd/dist/buildruntime.c')
| -rw-r--r-- | src/cmd/dist/buildruntime.c | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/src/cmd/dist/buildruntime.c b/src/cmd/dist/buildruntime.c index d22e09955..e561937fb 100644 --- a/src/cmd/dist/buildruntime.c +++ b/src/cmd/dist/buildruntime.c @@ -127,174 +127,8 @@ mkzgoos(char *dir, char *file) bfree(&out); } -static struct { - char *goarch; - char *goos; - char *hdr; -} zasmhdr[] = { - {"386", "", - "#define get_tls(r) MOVL TLS, r\n" - "#define g(r) 0(r)(TLS*1)\n" - }, - {"amd64p32", "", - "#define get_tls(r) MOVL TLS, r\n" - "#define g(r) 0(r)(TLS*1)\n" - }, - {"amd64", "", - "#define get_tls(r) MOVQ TLS, r\n" - "#define g(r) 0(r)(TLS*1)\n" - }, - - {"arm", "", - "#define LR R14\n" - }, - - {"power64", "", - "#define g R30\n" - }, - {"power64le", "", - "#define g R30\n" - }, -}; - #define MAXWINCB 2000 /* maximum number of windows callbacks allowed */ -// mkzasm writes zasm_$GOOS_$GOARCH.h, -// which contains struct offsets for use by -// assembly files. It also writes a copy to the work space -// under the name zasm_GOOS_GOARCH.h (no expansion). -// -void -mkzasm(char *dir, char *file) -{ - int i, n; - char *aggr, *p; - Buf in, b, b1, out, exp; - Vec argv, lines, fields; - - binit(&in); - binit(&b); - binit(&b1); - binit(&out); - binit(&exp); - vinit(&argv); - vinit(&lines); - vinit(&fields); - - bwritestr(&out, "// auto generated by go tool dist\n\n"); - if(streq(goos, "linux")) { - bwritestr(&out, "// +build !android\n\n"); - } - - for(i=0; i<nelem(zasmhdr); i++) { - if(hasprefix(goarch, zasmhdr[i].goarch) && hasprefix(goos, zasmhdr[i].goos)) { - bwritestr(&out, zasmhdr[i].hdr); - goto ok; - } - } - fatal("unknown $GOOS/$GOARCH in mkzasm"); -ok: - - copyfile(bpathf(&b, "%s/pkg/%s_%s/textflag.h", goroot, goos, goarch), - bpathf(&b1, "%s/src/cmd/ld/textflag.h", goroot), 0); - - // Run 6c -D GOOS_goos -D GOARCH_goarch -I workdir -a -n -o workdir/proc.acid proc.c - // to get acid [sic] output. Run once without the -a -o workdir/proc.acid in order to - // report compilation failures (the -o redirects all messages, unfortunately). - vreset(&argv); - vadd(&argv, bpathf(&b, "%s/%sc", tooldir, gochar)); - vadd(&argv, "-D"); - vadd(&argv, bprintf(&b, "GOOS_%s", goos)); - vadd(&argv, "-D"); - vadd(&argv, bprintf(&b, "GOARCH_%s", goarch)); - vadd(&argv, "-I"); - vadd(&argv, bprintf(&b, "%s", workdir)); - vadd(&argv, "-I"); - vadd(&argv, bprintf(&b, "%s/pkg/%s_%s", goroot, goos, goarch)); - vadd(&argv, "-n"); - vadd(&argv, "-a"); - vadd(&argv, "-o"); - vadd(&argv, bpathf(&b, "%s/proc.acid", workdir)); - vadd(&argv, "proc.c"); - runv(nil, dir, CheckExit, &argv); - readfile(&in, bpathf(&b, "%s/proc.acid", workdir)); - - // Convert input like - // aggr G - // { - // Gobuf 24 sched; - // 'Y' 48 stack0; - // } - // StackMin = 128; - // into output like - // #define g_sched 24 - // #define g_stack0 48 - // #define const_StackMin 128 - aggr = nil; - splitlines(&lines, bstr(&in)); - for(i=0; i<lines.len; i++) { - splitfields(&fields, lines.p[i]); - if(fields.len == 2 && streq(fields.p[0], "aggr")) { - if(streq(fields.p[1], "G")) - aggr = "g"; - else if(streq(fields.p[1], "M")) - aggr = "m"; - else if(streq(fields.p[1], "P")) - aggr = "p"; - else if(streq(fields.p[1], "Gobuf")) - aggr = "gobuf"; - else if(streq(fields.p[1], "LibCall")) - aggr = "libcall"; - else if(streq(fields.p[1], "WinCallbackContext")) - aggr = "cbctxt"; - else if(streq(fields.p[1], "SEH")) - aggr = "seh"; - else if(streq(fields.p[1], "Alg")) - aggr = "alg"; - else if(streq(fields.p[1], "Panic")) - aggr = "panic"; - else if(streq(fields.p[1], "Stack")) - aggr = "stack"; - } - if(hasprefix(lines.p[i], "}")) - aggr = nil; - if(aggr && hasprefix(lines.p[i], "\t") && fields.len >= 2) { - n = fields.len; - p = fields.p[n-1]; - if(p[xstrlen(p)-1] == ';') - p[xstrlen(p)-1] = '\0'; - bwritestr(&out, bprintf(&b, "#define %s_%s %s\n", aggr, fields.p[n-1], fields.p[n-2])); - } - if(fields.len == 3 && streq(fields.p[1], "=")) { // generated from enumerated constants - p = fields.p[2]; - if(p[xstrlen(p)-1] == ';') - p[xstrlen(p)-1] = '\0'; - bwritestr(&out, bprintf(&b, "#define const_%s %s\n", fields.p[0], p)); - } - } - - // Some #defines that are used for .c files. - if(streq(goos, "windows")) { - bwritestr(&out, bprintf(&b, "#define cb_max %d\n", MAXWINCB)); - } - - xgetenv(&exp, "GOEXPERIMENT"); - bwritestr(&out, bprintf(&b, "#define GOEXPERIMENT \"%s\"\n", bstr(&exp))); - - // Write both to file and to workdir/zasm_GOOS_GOARCH.h. - writefile(&out, file, 0); - writefile(&out, bprintf(&b, "%s/zasm_GOOS_GOARCH.h", workdir), 0); - - bfree(&in); - bfree(&b); - bfree(&b1); - bfree(&out); - bfree(&exp); - vfree(&argv); - vfree(&lines); - vfree(&fields); -} - // mkzsys writes zsys_$GOOS_$GOARCH.s, // which contains arch or os specific asm code. // @@ -333,143 +167,3 @@ mkzsys(char *dir, char *file) bfree(&out); } - -static char *runtimedefs[] = { - "defs.c", - "malloc.c", - "mcache.c", - "mgc0.c", - "proc.c", - "parfor.c", - "stack.c", -}; - -// mkzruntimedefs writes zruntime_defs_$GOOS_$GOARCH.h, -// which contains Go struct definitions equivalent to the C ones. -// Mostly we just write the output of 6c -q to the file. -// However, we run it on multiple files, so we have to delete -// the duplicated definitions, and we don't care about the funcs, -// so we delete those too. -// -void -mkzruntimedefs(char *dir, char *file) -{ - int i, skip; - char *p; - Buf in, b, b1, out; - Vec argv, lines, fields, seen; - - binit(&in); - binit(&b); - binit(&b1); - binit(&out); - vinit(&argv); - vinit(&lines); - vinit(&fields); - vinit(&seen); - - bwritestr(&out, "// auto generated by go tool dist\n" - "\n"); - - if(streq(goos, "linux")) { - bwritestr(&out, "// +build !android\n\n"); - } - - bwritestr(&out, - "package runtime\n" - "import \"unsafe\"\n" - "var _ unsafe.Pointer\n" - "\n" - ); - - // Do not emit definitions for these. - vadd(&seen, "true"); - vadd(&seen, "false"); - vadd(&seen, "raceenabled"); - vadd(&seen, "allgs"); - - // Run 6c -D GOOS_goos -D GOARCH_goarch -I workdir -q -n -o workdir/runtimedefs - // on each of the runtimedefs C files. - vadd(&argv, bpathf(&b, "%s/%sc", tooldir, gochar)); - vadd(&argv, "-D"); - vadd(&argv, bprintf(&b, "GOOS_%s", goos)); - vadd(&argv, "-D"); - vadd(&argv, bprintf(&b, "GOARCH_%s", goarch)); - vadd(&argv, "-I"); - vadd(&argv, bprintf(&b, "%s", workdir)); - vadd(&argv, "-I"); - vadd(&argv, bprintf(&b, "%s/pkg/%s_%s", goroot, goos, goarch)); - vadd(&argv, "-q"); - vadd(&argv, "-n"); - vadd(&argv, "-o"); - vadd(&argv, bpathf(&b, "%s/runtimedefs", workdir)); - vadd(&argv, ""); - p = argv.p[argv.len-1]; - for(i=0; i<nelem(runtimedefs); i++) { - argv.p[argv.len-1] = runtimedefs[i]; - runv(nil, dir, CheckExit, &argv); - readfile(&b, bpathf(&b1, "%s/runtimedefs", workdir)); - bwriteb(&in, &b); - } - argv.p[argv.len-1] = p; - - // Process the aggregate output. - skip = 0; - splitlines(&lines, bstr(&in)); - for(i=0; i<lines.len; i++) { - p = lines.p[i]; - // Drop comment and func lines. - if(hasprefix(p, "//") || hasprefix(p, "func")) - continue; - - // Note beginning of type or var decl, which can be multiline. - // Remove duplicates. The linear check of seen here makes the - // whole processing quadratic in aggregate, but there are only - // about 100 declarations, so this is okay (and simple). - if(hasprefix(p, "type ") || hasprefix(p, "var ") || hasprefix(p, "const ")) { - splitfields(&fields, p); - if(fields.len < 2) - continue; - if(find(fields.p[1], seen.p, seen.len) >= 0) { - if(streq(fields.p[fields.len-1], "{")) - skip = 1; // skip until } - continue; - } - vadd(&seen, fields.p[1]); - } - - // Const lines are printed in original case (usually upper). Add a leading _ as needed. - if(hasprefix(p, "const ")) { - if('A' <= p[6] && p[6] <= 'Z') - bwritestr(&out, "const _"); - else - bwritestr(&out, "const "); - bwritestr(&out, p+6); - continue; - } - - if(skip) { - if(hasprefix(p, "}")) - skip = 0; - continue; - } - - bwritestr(&out, p); - } - - // Some windows specific const. - if(streq(goos, "windows")) { - bwritestr(&out, bprintf(&b, "const cb_max = %d\n", MAXWINCB)); - } - - writefile(&out, file, 0); - - bfree(&in); - bfree(&b); - bfree(&b1); - bfree(&out); - vfree(&argv); - vfree(&lines); - vfree(&fields); - vfree(&seen); -} |