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| author | Alex Rønne Petersen <alex@alexrp.com> | 2024-07-30 04:02:32 +0200 |
|---|---|---|
| committer | Alex Rønne Petersen <alex@alexrp.com> | 2024-07-30 17:58:22 +0200 |
| commit | 78e581b86f11bfc8da277cbad7b7a30941e55e95 (patch) | |
| tree | fcbb7c27552d4e28903fd16a95385d3fdb35301c | |
| parent | 38e0f049c531e83ec2eec80d50b624e6c3b8c486 (diff) | |
| download | zig-78e581b86f11bfc8da277cbad7b7a30941e55e95.tar.gz zig-78e581b86f11bfc8da277cbad7b7a30941e55e95.zip | |
start: Copy the mips64 comment about gp to the mips32 code.
Also, don't incorrectly claim that it's only needed for dynamic linking/PIC.
| -rw-r--r-- | lib/std/start.zig | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/std/start.zig b/lib/std/start.zig index 2a61be46e4..bca0922fb3 100644 --- a/lib/std/start.zig +++ b/lib/std/start.zig @@ -293,6 +293,7 @@ fn _start() callconv(.Naked) noreturn { \\ .gpword . \\ .gpword %[posixCallMainAndExit] \\ 1: + // The `gp` register on MIPS serves a similar purpose to `r2` (ToC pointer) on PPC64. \\ lw $gp, 0($ra) \\ subu $gp, $ra, $gp \\ lw $25, 4($ra) @@ -314,8 +315,6 @@ fn _start() callconv(.Naked) noreturn { \\ .gpdword %[posixCallMainAndExit] \\ 1: // The `gp` register on MIPS serves a similar purpose to `r2` (ToC pointer) on PPC64. - // We need to set it up in order for dynamically-linked / position-independent code to - // work. \\ ld $gp, 0($ra) \\ dsubu $gp, $ra, $gp \\ ld $25, 8($ra) |