authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2020-03-21 22:30:46-04:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2020-03-21 22:30:46-04:00
log2b65dc10328cc437b21114e3c87fac2ef6ef9adc
treee40cec4e13ea3f1605b47ff84e8bc956162dde6c
parent4b0ddb817bb5d4effd8cd2dd0844ac278e35e1d5
signature Commit is signed but in an unrecognized format.

zig cc: detect optimization and debug flags

7 files changed, 159 insertions(+), 24 deletions(-)

src-self-hosted/clang_options.zig+5-5
...@@ -46,23 +46,23 @@ pub const CliArg = struct {...@@ -46,23 +46,23 @@ pub const CliArg = struct {
46 multi_arg: u8,46 multi_arg: u8,
47 };47 };
4848
49 pub fn matchEql(self: CliArg, arg: []const u8) bool {49 pub fn matchEql(self: CliArg, arg: []const u8) u2 {
50 if (self.pd1 and arg.len >= self.name.len + 1 and50 if (self.pd1 and arg.len >= self.name.len + 1 and
51 mem.startsWith(u8, arg, "-") and mem.eql(u8, arg[1..], self.name))51 mem.startsWith(u8, arg, "-") and mem.eql(u8, arg[1..], self.name))
52 {52 {
53 return true;53 return 1;
54 }54 }
55 if (self.pd2 and arg.len >= self.name.len + 2 and55 if (self.pd2 and arg.len >= self.name.len + 2 and
56 mem.startsWith(u8, arg, "--") and mem.eql(u8, arg[2..], self.name))56 mem.startsWith(u8, arg, "--") and mem.eql(u8, arg[2..], self.name))
57 {57 {
58 return true;58 return 2;
59 }59 }
60 if (self.psl and arg.len >= self.name.len + 1 and60 if (self.psl and arg.len >= self.name.len + 1 and
61 mem.startsWith(u8, arg, "/") and mem.eql(u8, arg[1..], self.name))61 mem.startsWith(u8, arg, "/") and mem.eql(u8, arg[1..], self.name))
62 {62 {
63 return true;63 return 1;
64 }64 }
65 return false;65 return 0;
66 }66 }
6767
68 pub fn matchStartsWith(self: CliArg, arg: []const u8) usize {68 pub fn matchStartsWith(self: CliArg, arg: []const u8) usize {
src-self-hosted/clang_options_data.zig+41-13
...@@ -35,7 +35,14 @@ flagpd1("MV"),...@@ -35,7 +35,14 @@ flagpd1("MV"),
35flagpd1("Mach"),35flagpd1("Mach"),
36flagpd1("O0"),36flagpd1("O0"),
37flagpd1("O4"),37flagpd1("O4"),
38flagpd1("O"),38.{
39 .name = "O",
40 .syntax = .flag,
41 .zig_equivalent = .optimize,
42 .pd1 = true,
43 .pd2 = false,
44 .psl = false,
45},
39flagpd1("ObjC"),46flagpd1("ObjC"),
40flagpd1("ObjC++"),47flagpd1("ObjC++"),
41flagpd1("P"),48flagpd1("P"),
...@@ -1485,7 +1492,7 @@ flagpd1("###"),...@@ -1485,7 +1492,7 @@ flagpd1("###"),
1485.{1492.{
1486 .name = "debug",1493 .name = "debug",
1487 .syntax = .flag,1494 .syntax = .flag,
1488 .zig_equivalent = .other,1495 .zig_equivalent = .debug,
1489 .pd1 = false,1496 .pd1 = false,
1490 .pd2 = true,1497 .pd2 = true,
1491 .psl = false,1498 .psl = false,
...@@ -1701,7 +1708,7 @@ flagpd1("###"),...@@ -1701,7 +1708,7 @@ flagpd1("###"),
1701.{1708.{
1702 .name = "optimize",1709 .name = "optimize",
1703 .syntax = .flag,1710 .syntax = .flag,
1704 .zig_equivalent = .other,1711 .zig_equivalent = .optimize,
1705 .pd1 = false,1712 .pd1 = false,
1706 .pd2 = true,1713 .pd2 = true,
1707 .psl = false,1714 .psl = false,
...@@ -2034,7 +2041,7 @@ flagpd1("fno-semantic-interposition"),...@@ -2034,7 +2041,7 @@ flagpd1("fno-semantic-interposition"),
2034.{2041.{
2035 .name = "O1",2042 .name = "O1",
2036 .syntax = .flag,2043 .syntax = .flag,
2037 .zig_equivalent = .other,2044 .zig_equivalent = .optimize,
2038 .pd1 = true,2045 .pd1 = true,
2039 .pd2 = false,2046 .pd2 = false,
2040 .psl = true,2047 .psl = true,
...@@ -2042,7 +2049,7 @@ flagpd1("fno-semantic-interposition"),...@@ -2042,7 +2049,7 @@ flagpd1("fno-semantic-interposition"),
2042.{2049.{
2043 .name = "O2",2050 .name = "O2",
2044 .syntax = .flag,2051 .syntax = .flag,
2045 .zig_equivalent = .other,2052 .zig_equivalent = .optimize,
2046 .pd1 = true,2053 .pd1 = true,
2047 .pd2 = false,2054 .pd2 = false,
2048 .psl = true,2055 .psl = true,
...@@ -2083,7 +2090,7 @@ flagpd1("fno-ident"),...@@ -2083,7 +2090,7 @@ flagpd1("fno-ident"),
2083.{2090.{
2084 .name = "Og",2091 .name = "Og",
2085 .syntax = .flag,2092 .syntax = .flag,
2086 .zig_equivalent = .other,2093 .zig_equivalent = .optimize,
2087 .pd1 = true,2094 .pd1 = true,
2088 .pd2 = false,2095 .pd2 = false,
2089 .psl = true,2096 .psl = true,
...@@ -3088,7 +3095,14 @@ flagpd1("g0"),...@@ -3088,7 +3095,14 @@ flagpd1("g0"),
3088flagpd1("g1"),3095flagpd1("g1"),
3089flagpd1("g2"),3096flagpd1("g2"),
3090flagpd1("g3"),3097flagpd1("g3"),
3091flagpd1("g"),3098.{
3099 .name = "g",
3100 .syntax = .flag,
3101 .zig_equivalent = .debug,
3102 .pd1 = true,
3103 .pd2 = false,
3104 .psl = false,
3105},
3092sepd1("gcc-toolchain"),3106sepd1("gcc-toolchain"),
3093flagpd1("gcodeview"),3107flagpd1("gcodeview"),
3094flagpd1("gcodeview-ghash"),3108flagpd1("gcodeview-ghash"),
...@@ -4954,7 +4968,7 @@ joinpd1("flto-jobs="),...@@ -4954,7 +4968,7 @@ joinpd1("flto-jobs="),
4954.{4968.{
4955 .name = "fsanitize=",4969 .name = "fsanitize=",
4956 .syntax = .comma_joined,4970 .syntax = .comma_joined,
4957 .zig_equivalent = .other,4971 .zig_equivalent = .sanitize,
4958 .pd1 = true,4972 .pd1 = true,
4959 .pd2 = false,4973 .pd2 = false,
4960 .psl = false,4974 .psl = false,
...@@ -4997,7 +5011,7 @@ joinpd1("segs_read_"),...@@ -4997,7 +5011,7 @@ joinpd1("segs_read_"),
4997.{5011.{
4998 .name = "optimize=",5012 .name = "optimize=",
4999 .syntax = .joined,5013 .syntax = .joined,
5000 .zig_equivalent = .other,5014 .zig_equivalent = .optimize,
5001 .pd1 = false,5015 .pd1 = false,
5002 .pd2 = true,5016 .pd2 = true,
5003 .psl = false,5017 .psl = false,
...@@ -5187,7 +5201,7 @@ joinpd1("Rpass="),...@@ -5187,7 +5201,7 @@ joinpd1("Rpass="),
5187.{5201.{
5188 .name = "debug=",5202 .name = "debug=",
5189 .syntax = .joined,5203 .syntax = .joined,
5190 .zig_equivalent = .other,5204 .zig_equivalent = .debug,
5191 .pd1 = false,5205 .pd1 = false,
5192 .pd2 = true,5206 .pd2 = true,
5193 .psl = false,5207 .psl = false,
...@@ -5231,7 +5245,14 @@ joinpd1("mtune="),...@@ -5231,7 +5245,14 @@ joinpd1("mtune="),
5231 .psl = false,5245 .psl = false,
5232},5246},
5233joinpd1("weak-l"),5247joinpd1("weak-l"),
5234joinpd1("Ofast"),5248.{
5249 .name = "Ofast",
5250 .syntax = .joined,
5251 .zig_equivalent = .optimize,
5252 .pd1 = true,
5253 .pd2 = false,
5254 .psl = false,
5255},
5235jspd1("Tdata"),5256jspd1("Tdata"),
5236jspd1("Ttext"),5257jspd1("Ttext"),
5237.{5258.{
...@@ -5584,7 +5605,14 @@ jspd1("G"),...@@ -5584,7 +5605,14 @@ jspd1("G"),
5584jspd1("I"),5605jspd1("I"),
5585jspd1("J"),5606jspd1("J"),
5586jspd1("L"),5607jspd1("L"),
5587joinpd1("O"),5608.{
5609 .name = "O",
5610 .syntax = .joined,
5611 .zig_equivalent = .optimize,
5612 .pd1 = true,
5613 .pd2 = false,
5614 .psl = false,
5615},
5588joinpd1("R"),5616joinpd1("R"),
5589jspd1("T"),5617jspd1("T"),
5590jspd1("U"),5618jspd1("U"),
...@@ -5619,7 +5647,7 @@ joinpd1("Z"),...@@ -5619,7 +5647,7 @@ joinpd1("Z"),
5619.{5647.{
5620 .name = "O",5648 .name = "O",
5621 .syntax = .joined,5649 .syntax = .joined,
5622 .zig_equivalent = .other,5650 .zig_equivalent = .optimize,
5623 .pd1 = true,5651 .pd1 = true,
5624 .pd2 = false,5652 .pd2 = false,
5625 .psl = true,5653 .psl = true,
src-self-hosted/stage2.zig+12-6
...@@ -1248,6 +1248,9 @@ pub const ClangArgIterator = extern struct {...@@ -1248,6 +1248,9 @@ pub const ClangArgIterator = extern struct {
1248 rdynamic,1248 rdynamic,
1249 wl,1249 wl,
1250 preprocess,1250 preprocess,
1251 optimize,
1252 debug,
1253 sanitize,
1251 };1254 };
12521255
1253 fn init(argv: []const [*:0]const u8) ClangArgIterator {1256 fn init(argv: []const [*:0]const u8) ClangArgIterator {
...@@ -1284,11 +1287,14 @@ pub const ClangArgIterator = extern struct {...@@ -1284,11 +1287,14 @@ pub const ClangArgIterator = extern struct {
1284 }1287 }
12851288
1286 find_clang_arg: for (clang_args) |clang_arg| switch (clang_arg.syntax) {1289 find_clang_arg: for (clang_args) |clang_arg| switch (clang_arg.syntax) {
1287 .flag => if (clang_arg.matchEql(arg)) {1290 .flag => {
1288 self.zig_equivalent = clang_arg.zig_equivalent;1291 const prefix_len = clang_arg.matchEql(arg);
1289 self.only_arg = arg.ptr;1292 if (prefix_len > 0) {
1293 self.zig_equivalent = clang_arg.zig_equivalent;
1294 self.only_arg = arg.ptr + prefix_len;
12901295
1291 break :find_clang_arg;1296 break :find_clang_arg;
1297 }
1292 },1298 },
1293 .joined, .comma_joined => {1299 .joined, .comma_joined => {
1294 // joined example: --target=foo1300 // joined example: --target=foo
...@@ -1338,7 +1344,7 @@ pub const ClangArgIterator = extern struct {...@@ -1338,7 +1344,7 @@ pub const ClangArgIterator = extern struct {
1338 break :find_clang_arg;1344 break :find_clang_arg;
1339 }1345 }
1340 },1346 },
1341 .separate => if (clang_arg.matchEql(arg)) {1347 .separate => if (clang_arg.matchEql(arg) > 0) {
1342 if (self.next_index >= self.argv_len) {1348 if (self.next_index >= self.argv_len) {
1343 std.debug.warn("Expected parameter after '{}'\n", .{arg});1349 std.debug.warn("Expected parameter after '{}'\n", .{arg});
1344 process.exit(1);1350 process.exit(1);
...@@ -1355,7 +1361,7 @@ pub const ClangArgIterator = extern struct {...@@ -1355,7 +1361,7 @@ pub const ClangArgIterator = extern struct {
1355 @panic("TODO");1361 @panic("TODO");
1356 }1362 }
1357 },1363 },
1358 .multi_arg => if (clang_arg.matchEql(arg)) {1364 .multi_arg => if (clang_arg.matchEql(arg) > 0) {
1359 @panic("TODO");1365 @panic("TODO");
1360 },1366 },
1361 }1367 }
src/codegen.cpp+1
...@@ -9269,6 +9269,7 @@ void add_cc_args(CodeGen *g, ZigList<const char *> &args, const char *out_dep_pa...@@ -9269,6 +9269,7 @@ void add_cc_args(CodeGen *g, ZigList<const char *> &args, const char *out_dep_pa
9269 case BuildModeDebug:9269 case BuildModeDebug:
9270 // windows c runtime requires -D_DEBUG if using debug libraries9270 // windows c runtime requires -D_DEBUG if using debug libraries
9271 args.append("-D_DEBUG");9271 args.append("-D_DEBUG");
9272 args.append("-Og");
92729273
9273 if (g->libc_link_lib != nullptr) {9274 if (g->libc_link_lib != nullptr) {
9274 args.append("-fstack-protector-strong");9275 args.append("-fstack-protector-strong");
src/main.cpp+41
...@@ -580,6 +580,7 @@ static int main0(int argc, char **argv) {...@@ -580,6 +580,7 @@ static int main0(int argc, char **argv) {
580 return stage2_fmt(argc, argv);580 return stage2_fmt(argc, argv);
581 } else if (argc >= 2 && strcmp(argv[1], "cc") == 0) {581 } else if (argc >= 2 && strcmp(argv[1], "cc") == 0) {
582 emit_h = false;582 emit_h = false;
583 strip = true;
583584
584 bool c_arg = false;585 bool c_arg = false;
585 Stage2ClangArgIterator it;586 Stage2ClangArgIterator it;
...@@ -664,6 +665,42 @@ static int main0(int argc, char **argv) {...@@ -664,6 +665,42 @@ static int main0(int argc, char **argv) {
664 case Stage2ClangArgPreprocess:665 case Stage2ClangArgPreprocess:
665 only_preprocess = true;666 only_preprocess = true;
666 break;667 break;
668 case Stage2ClangArgOptimize:
669 // alright what release mode do they want?
670 if (strcmp(it.only_arg, "Os") == 0) {
671 build_mode = BuildModeSmallRelease;
672 } else if (strcmp(it.only_arg, "O2") == 0 ||
673 strcmp(it.only_arg, "O3") == 0 ||
674 strcmp(it.only_arg, "O4") == 0)
675 {
676 build_mode = BuildModeFastRelease;
677 } else if (strcmp(it.only_arg, "Og") == 0) {
678 build_mode = BuildModeDebug;
679 } else {
680 for (size_t i = 0; i < it.other_args_len; i += 1) {
681 clang_argv.append(it.other_args_ptr[i]);
682 }
683 }
684 break;
685 case Stage2ClangArgDebug:
686 strip = false;
687 if (strcmp(it.only_arg, "-g") == 0) {
688 // we handled with strip = false above
689 } else {
690 for (size_t i = 0; i < it.other_args_len; i += 1) {
691 clang_argv.append(it.other_args_ptr[i]);
692 }
693 }
694 break;
695 case Stage2ClangArgSanitize:
696 if (strcmp(it.only_arg, "undefined") == 0) {
697 want_sanitize_c = WantCSanitizeEnabled;
698 } else {
699 for (size_t i = 0; i < it.other_args_len; i += 1) {
700 clang_argv.append(it.other_args_ptr[i]);
701 }
702 }
703 break;
667 }704 }
668 }705 }
669 // Parse linker args706 // Parse linker args
...@@ -715,6 +752,10 @@ static int main0(int argc, char **argv) {...@@ -715,6 +752,10 @@ static int main0(int argc, char **argv) {
715 }752 }
716 }753 }
717754
755 if (want_sanitize_c == WantCSanitizeEnabled && build_mode == BuildModeFastRelease) {
756 build_mode = BuildModeSafeRelease;
757 }
758
718 if (!nostdlib && !have_libc) {759 if (!nostdlib && !have_libc) {
719 have_libc = true;760 have_libc = true;
720 link_libs.append("c");761 link_libs.append("c");
src/stage2.h+3
...@@ -334,6 +334,9 @@ enum Stage2ClangArg {...@@ -334,6 +334,9 @@ enum Stage2ClangArg {
334 Stage2ClangArgRDynamic,334 Stage2ClangArgRDynamic,
335 Stage2ClangArgWL,335 Stage2ClangArgWL,
336 Stage2ClangArgPreprocess,336 Stage2ClangArgPreprocess,
337 Stage2ClangArgOptimize,
338 Stage2ClangArgDebug,
339 Stage2ClangArgSanitize,
337};340};
338341
339// ABI warning342// ABI warning
tools/update_clang_options.zig+56
...@@ -90,6 +90,62 @@ const known_options = [_]KnownOpt{...@@ -90,6 +90,62 @@ const known_options = [_]KnownOpt{
90 .name = "assemble",90 .name = "assemble",
91 .ident = "driver_punt",91 .ident = "driver_punt",
92 },92 },
93 .{
94 .name = "O1",
95 .ident = "optimize",
96 },
97 .{
98 .name = "O2",
99 .ident = "optimize",
100 },
101 .{
102 .name = "Og",
103 .ident = "optimize",
104 },
105 .{
106 .name = "O",
107 .ident = "optimize",
108 },
109 .{
110 .name = "Ofast",
111 .ident = "optimize",
112 },
113 .{
114 .name = "optimize",
115 .ident = "optimize",
116 },
117 .{
118 .name = "g",
119 .ident = "debug",
120 },
121 .{
122 .name = "debug",
123 .ident = "debug",
124 },
125 .{
126 .name = "g-dwarf",
127 .ident = "debug",
128 },
129 .{
130 .name = "g-dwarf-2",
131 .ident = "debug",
132 },
133 .{
134 .name = "g-dwarf-3",
135 .ident = "debug",
136 },
137 .{
138 .name = "g-dwarf-4",
139 .ident = "debug",
140 },
141 .{
142 .name = "g-dwarf-5",
143 .ident = "debug",
144 },
145 .{
146 .name = "fsanitize",
147 .ident = "sanitize",
148 },
93};149};
94150
95const blacklisted_options = [_][]const u8{};151const blacklisted_options = [_][]const u8{};