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| author | Alex Rønne Petersen <alex@alexrp.com> | 2024-07-24 17:35:47 +0200 |
|---|---|---|
| committer | Alex Rønne Petersen <alex@alexrp.com> | 2024-07-24 21:56:54 +0200 |
| commit | 52653ec82bcc8e10fee9b6d9997b2de41a22a93a (patch) | |
| tree | 55966498e4fbaa59318c29f8c6f4bc2d16cbc387 /lib/std/start.zig | |
| parent | 714e7433930e68698b1e33c1de13dc5514cd5a77 (diff) | |
| download | zig-52653ec82bcc8e10fee9b6d9997b2de41a22a93a.tar.gz zig-52653ec82bcc8e10fee9b6d9997b2de41a22a93a.zip | |
start: Align the stack on powerpc just in case.
The kernel does this as required, but we cannot trust dynamic linkers to do it.
Diffstat (limited to 'lib/std/start.zig')
| -rw-r--r-- | lib/std/start.zig | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/std/start.zig b/lib/std/start.zig index 35485a6995..015f2c077f 100644 --- a/lib/std/start.zig +++ b/lib/std/start.zig @@ -351,8 +351,9 @@ fn _start() callconv(.Naked) noreturn { \\ j %[posixCallMainAndExit] , .powerpc, .powerpcle => - // Setup the initial stack frame and clear the back chain pointer. + // Set up the initial stack frame, and clear the back chain pointer. \\ mr 3, 1 + \\ clrrwi 1, 1, 4 \\ li 0, 0 \\ stwu 1, -16(1) \\ stw 0, 0(1) @@ -360,7 +361,7 @@ fn _start() callconv(.Naked) noreturn { \\ b %[posixCallMainAndExit] , .powerpc64, .powerpc64le => - // Setup the initial stack frame and clear the back chain pointer. + // Set up the ToC and initial stack frame, and clear the back chain pointer. \\ addis 2, 12, .TOC. - %[_start]@ha \\ addi 2, 2, .TOC. - %[_start]@l \\ mr 3, 1 |