mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2026-01-06 13:33:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add option for overriding the stack size

Browse Source 
This commit adds a `--stack [size]` link-time option to zig compiler
allowing the user to override the default stack size set for the
specified executable/library format. This is currently limited to
ELF, COFF and Wasm however (i.e., Mach-O is excluded).
This commit is contained in:
Jakub Konka 2020-06-05 22:21:33 +02:00 committed by Andrew Kelley
parent cde7c75676
commit 0ff5d7b24e
2 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/link.cpp
View File

@ -2101,9 +2101,10 @@ static void construct_linker_job_wasm(LinkJob *lj) {
lj->args.append("-error-limit=0");
// Increase the default stack size to a more reasonable value of 1MB instead of
// the default of 1 Wasm page being 64KB.
// the default of 1 Wasm page being 64KB, unless overriden by the user.
size_t stack_size = (g->stack_size_override == 0) ? 1048576 : g->stack_size_override;
lj->args.append("-z");
lj->args.append("stack-size=1048576");
lj->args.append(buf_ptr(buf_sprintf("stack-size=%" ZIG_PRI_usize, stack_size)));
if (g->out_type != OutTypeExe) {
lj->args.append("--no-entry"); // So lld doesn't look for _start.

3
src/main.cpp
View File

@ -126,6 +126,7 @@ static int print_full_usage(const char *arg0, FILE *file, int return_code) {
" -l[lib] alias for --library\n"
" -rdynamic add all symbols to the dynamic symbol table\n"
" -rpath [path] add directory to the runtime library search path\n"
" --stack [size] (linux, windows, Wasm) override default stack size\n"
" --subsystem [subsystem] (windows) /SUBSYSTEM:<subsystem> to the linker\n"
" -F[dir] (darwin) add search path for frameworks\n"
" -framework [name] (darwin) link against framework\n"
@ -1231,6 +1232,8 @@ static int main0(int argc, char **argv) {
ver_patch = atoi(argv[i]);
} else if (strcmp(arg, "--test-cmd") == 0) {
test_exec_args.append(argv[i]);
} else if (strcmp(arg, "--stack") == 0) {
stack_size_override = atoi(argv[i]);
} else if (strcmp(arg, "--subsystem") == 0) {
if (strcmp(argv[i], "console") == 0) {
subsystem = TargetSubsystemConsole;