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| author | Alex Rønne Petersen <alex@alexrp.com> | 2024-07-22 13:22:42 +0200 |
|---|---|---|
| committer | Alex Rønne Petersen <alex@alexrp.com> | 2024-07-22 14:39:55 +0200 |
| commit | 8ffc41f74705246e61f3c02c253d40b1464ea2bf (patch) | |
| tree | 778d7f1a94ca07049cfdfb8925749b8fb1ece9eb /lib/std | |
| parent | c53673276be9de837add3a3c4e948b10cdd7e1a6 (diff) | |
| download | zig-8ffc41f74705246e61f3c02c253d40b1464ea2bf.tar.gz zig-8ffc41f74705246e61f3c02c253d40b1464ea2bf.zip | |
start: Add POSIX s390x startup code.
Diffstat (limited to 'lib/std')
| -rw-r--r-- | lib/std/start.zig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/std/start.zig b/lib/std/start.zig index ff524d5d64..caca4c7be3 100644 --- a/lib/std/start.zig +++ b/lib/std/start.zig @@ -363,6 +363,15 @@ fn _start() callconv(.Naked) noreturn { \\ mtlr 0 \\ b %[posixCallMainAndExit] , + .s390x => + // Set up the stack frame (register save area and cleared back-chain slot). + // Note: Stack pointer is guaranteed by ABI to be 8-byte aligned as required. + \\ lgr %r2, %r15 + \\ aghi %r15, -160 + \\ lghi %r0, 0 + \\ stg %r0, 0(%r15) + \\ jg %[posixCallMainAndExit] + , .sparc64 => // argc is stored after a register window (16 registers) plus stack bias \\ mov %%g0, %%i6 |