This repository was archived by the owner on Nov 22, 2025. It is now read-only.
-
-
Notifications
You must be signed in to change notification settings - Fork 15
Expand file tree
/
Copy pathlist.zig
More file actions
268 lines (246 loc) · 9.84 KB
/
list.zig
File metadata and controls
268 lines (246 loc) · 9.84 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
const std = @import("std");
const Version = std.SemanticVersion;
const mem = std.mem;
const log = std.log;
const fs = std.fs;
const fmt = std.fmt;
const assert = std.debug.assert;
pub fn main() !void {
var arena_instance = std.heap.ArenaAllocator.init(std.heap.page_allocator);
defer arena_instance.deinit();
const arena = arena_instance.allocator();
const args = try std.process.argsAlloc(arena);
const abilists_file_path = args[1];
var lib_names_buffer: [32][]const u8 = undefined;
var target_names_buffer: [64][]const u8 = undefined;
var versions_buffer: [128]Version = undefined;
var file = try std.fs.cwd().openFile(abilists_file_path, .{});
defer file.close();
var stdout_buffer: [4096]u8 = undefined;
var stdout_writer = std.fs.File.stdout().writer(&stdout_buffer);
const w = &stdout_writer.interface;
var read_buffer: [4096]u8 = undefined;
var file_reader = file.reader(&read_buffer);
const r = &file_reader.interface;
const all_libs = b: {
try w.writeAll("Libraries:\n");
const libs_len = try r.takeByte();
var i: u8 = 0;
while (i < libs_len) : (i += 1) {
const lib_name = try arena.dupe(u8, try r.takeSentinel(0));
try w.print(" {d} lib{s}.so\n", .{ i, lib_name });
lib_names_buffer[i] = lib_name;
}
break :b lib_names_buffer[0..libs_len];
};
const all_versions = b: {
try w.writeAll("Versions:\n");
const versions_len = try r.takeByte();
var i: u8 = 0;
while (i < versions_len) : (i += 1) {
const major = try r.takeByte();
const minor = try r.takeByte();
const patch = try r.takeByte();
if (patch == 0) {
try w.print(" {d} {d}.{d}\n", .{ i, major, minor });
} else {
try w.print(" {d} {d}.{d}.{d}\n", .{ i, major, minor, patch });
}
versions_buffer[i] = .{ .major = major, .minor = minor, .patch = patch };
}
break :b versions_buffer[0..versions_len];
};
const all_targets = b: {
try w.writeAll("Targets:\n");
const targets_len = try r.takeByte();
var i: u8 = 0;
while (i < targets_len) : (i += 1) {
const target_name = try arena.dupe(u8, try r.takeSentinel(0));
try w.print(" {d} {s}\n", .{ i, target_name });
target_names_buffer[i] = target_name;
}
break :b target_names_buffer[0..targets_len];
};
{
try w.writeAll("Function Symbols:\n");
const fns_len = try r.takeInt(u16, .little);
var i: u16 = 0;
var opt_symbol_name: ?[]const u8 = null;
while (i < fns_len) : (i += 1) {
const symbol_name = opt_symbol_name orelse n: {
const name = try arena.dupe(u8, try r.takeSentinel(0));
opt_symbol_name = name;
break :n name;
};
try w.print(" {s}:\n", .{symbol_name});
const targets = try r.takeLeb128(u64);
var lib_index = try r.takeByte();
const is_unversioned = (lib_index & (1 << 5)) != 0;
if (is_unversioned) {
lib_index &= ~@as(u8, 1 << 5);
}
const is_weak = (lib_index & (1 << 6)) != 0;
if (is_weak) {
lib_index &= ~@as(u8, 1 << 6);
}
const is_terminal = (lib_index & (1 << 7)) != 0;
if (is_terminal) {
lib_index &= ~@as(u8, 1 << 7);
opt_symbol_name = null;
}
var ver_buf: [128]u8 = undefined;
var ver_buf_index: usize = 0;
while (true) {
const byte = try r.takeByte();
const last = (byte & 0b1000_0000) != 0;
ver_buf[ver_buf_index] = @as(u7, @truncate(byte));
ver_buf_index += 1;
if (last) break;
}
const versions = ver_buf[0..ver_buf_index];
if (is_unversioned) try w.writeAll(" unversioned\n");
if (is_weak) try w.writeAll(" weak\n");
try w.print(" library: lib{s}.so\n", .{all_libs[lib_index]});
try w.writeAll(" versions:");
for (versions) |ver_index| {
const ver = all_versions[ver_index];
if (ver.patch == 0) {
try w.print(" {d}.{d}", .{ ver.major, ver.minor });
} else {
try w.print(" {d}.{d}.{d}", .{ ver.major, ver.minor, ver.patch });
}
}
try w.writeAll("\n");
try w.writeAll(" targets:");
for (all_targets, 0..) |target, target_i| {
if ((targets & (@as(u64, 1) << @as(u6, @intCast(target_i)))) != 0) {
try w.print(" {s}", .{target});
}
}
try w.writeAll("\n");
}
}
{
try w.writeAll("Object Symbols:\n");
const objects_len = try r.takeInt(u16, .little);
var i: u16 = 0;
var opt_symbol_name: ?[]const u8 = null;
while (i < objects_len) : (i += 1) {
const symbol_name = opt_symbol_name orelse n: {
const name = try r.takeSentinel(0);
opt_symbol_name = name;
break :n name;
};
try w.print(" {s}:\n", .{symbol_name});
const targets = try r.takeLeb128(u64);
const size = try r.takeLeb128(u16);
var lib_index = try r.takeByte();
const is_unversioned = (lib_index & (1 << 5)) != 0;
if (is_unversioned) {
lib_index &= ~@as(u8, 1 << 5);
}
const is_weak = (lib_index & (1 << 6)) != 0;
if (is_weak) {
lib_index &= ~@as(u8, 1 << 6);
}
const is_terminal = (lib_index & (1 << 7)) != 0;
if (is_terminal) {
lib_index &= ~@as(u8, 1 << 7);
opt_symbol_name = null;
}
var ver_buf: [128]u8 = undefined;
var ver_buf_index: usize = 0;
while (true) {
const byte = try r.takeByte();
const last = (byte & 0b1000_0000) != 0;
ver_buf[ver_buf_index] = @as(u7, @truncate(byte));
ver_buf_index += 1;
if (last) break;
}
const versions = ver_buf[0..ver_buf_index];
if (is_unversioned) try w.writeAll(" unversioned\n");
if (is_weak) try w.writeAll(" weak\n");
try w.print(" size: {d}\n", .{size});
try w.print(" library: lib{s}.so\n", .{all_libs[lib_index]});
try w.writeAll(" versions:");
for (versions) |ver_index| {
const ver = all_versions[ver_index];
if (ver.patch == 0) {
try w.print(" {d}.{d}", .{ ver.major, ver.minor });
} else {
try w.print(" {d}.{d}.{d}", .{ ver.major, ver.minor, ver.patch });
}
}
try w.writeAll("\n");
try w.writeAll(" targets:");
for (all_targets, 0..) |target, target_i| {
if ((targets & (@as(u64, 1) << @as(u6, @intCast(target_i)))) != 0) {
try w.print(" {s}", .{target});
}
}
try w.writeAll("\n");
}
}
{
try w.writeAll("TLS Symbols:\n");
const objects_len = try r.takeInt(u16, .little);
var i: u16 = 0;
var opt_symbol_name: ?[]const u8 = null;
while (i < objects_len) : (i += 1) {
const symbol_name = opt_symbol_name orelse n: {
const name = try r.takeSentinel(0);
opt_symbol_name = name;
break :n name;
};
try w.print(" {s}:\n", .{symbol_name});
const targets = try r.takeLeb128(u64);
const size = try r.takeLeb128(u16);
var lib_index = try r.takeByte();
const is_unversioned = (lib_index & (1 << 5)) != 0;
if (is_unversioned) {
lib_index &= ~@as(u8, 1 << 5);
}
const is_weak = (lib_index & (1 << 6)) != 0;
if (is_weak) {
lib_index &= ~@as(u8, 1 << 6);
}
const is_terminal = (lib_index & (1 << 7)) != 0;
if (is_terminal) {
lib_index &= ~@as(u8, 1 << 7);
opt_symbol_name = null;
}
var ver_buf: [128]u8 = undefined;
var ver_buf_index: usize = 0;
while (true) {
const byte = try r.takeByte();
const last = (byte & 0b1000_0000) != 0;
ver_buf[ver_buf_index] = @as(u7, @truncate(byte));
ver_buf_index += 1;
if (last) break;
}
const versions = ver_buf[0..ver_buf_index];
if (is_unversioned) try w.writeAll(" unversioned\n");
if (is_weak) try w.writeAll(" weak\n");
try w.print(" size: {d}\n", .{size});
try w.print(" library: lib{s}.so\n", .{all_libs[lib_index]});
try w.writeAll(" versions:");
for (versions) |ver_index| {
const ver = all_versions[ver_index];
if (ver.patch == 0) {
try w.print(" {d}.{d}", .{ ver.major, ver.minor });
} else {
try w.print(" {d}.{d}.{d}", .{ ver.major, ver.minor, ver.patch });
}
}
try w.writeAll("\n");
try w.writeAll(" targets:");
for (all_targets, 0..) |target, target_i| {
if ((targets & (@as(u64, 1) << @as(u6, @intCast(target_i)))) != 0) {
try w.print(" {s}", .{target});
}
}
try w.writeAll("\n");
}
}
try w.flush();
}