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80 lines
2.1 KiB
Zig
Vendored
80 lines
2.1 KiB
Zig
Vendored
const std = @import("std");
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/// place uninitialized global variables in a common block
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common: bool,
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/// Place each function into its own section in the output file if the target supports arbitrary sections
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func_sections: bool,
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/// Place each data item into its own section in the output file if the target supports arbitrary sections
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data_sections: bool,
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pic_level: PicLevel,
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/// Generate position-independent code that can only be linked into executables
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is_pie: bool,
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optimization_level: OptimizationLevel,
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/// Generate debug information
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debug: DebugFormat,
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dwarf_version: DwarfVersion,
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pub const DebugFormat = union(enum) {
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strip,
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dwarf: std.dwarf.Format,
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code_view,
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};
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pub const DwarfVersion = enum(u3) {
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@"0" = 0,
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@"2" = 2,
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@"3" = 3,
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@"4" = 4,
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@"5" = 5,
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};
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pub const PicLevel = enum(u8) {
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/// Do not generate position-independent code
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none = 0,
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/// Generate position-independent code (PIC) suitable for use in a shared library, if supported for the target machine.
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one = 1,
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/// If supported for the target machine, emit position-independent code, suitable for dynamic linking and avoiding
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/// any limit on the size of the global offset table.
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two = 2,
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};
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pub const OptimizationLevel = enum {
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@"0",
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@"1",
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@"2",
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@"3",
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/// Optimize for size
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s,
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/// Disregard strict standards compliance
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fast,
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/// Optimize debugging experience
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g,
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/// Optimize aggressively for size rather than speed
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z,
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const level_map = std.StaticStringMap(OptimizationLevel).initComptime(.{
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.{ "0", .@"0" },
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.{ "1", .@"1" },
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.{ "2", .@"2" },
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.{ "3", .@"3" },
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.{ "s", .s },
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.{ "fast", .fast },
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.{ "g", .g },
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.{ "z", .z },
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});
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pub fn fromString(str: []const u8) ?OptimizationLevel {
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return level_map.get(str);
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}
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};
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pub const default: @This() = .{
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.common = false,
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.func_sections = false,
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.data_sections = false,
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.pic_level = .none,
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.is_pie = false,
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.optimization_level = .@"0",
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.debug = .strip,
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.dwarf_version = .@"0",
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};
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