Commit 85ced3c8 authored by Niels Möller's avatar Niels Möller
Browse files

* sparc/aes-encrypt-internal.asm, sparc/aes-decrypt-internal.asm:

Reduced frame size to 104 bytes, since we no longer need wtxt and
tmp on the stack.

Rev: src/nettle/sparc/aes-decrypt-internal.asm:1.2
Rev: src/nettle/sparc/aes-encrypt-internal.asm:1.12
parent b02cdcfe
......@@ -51,10 +51,8 @@ C The sparc32 stack frame looks like
C
C %fp - 4: OS-dependent link field
C %fp - 8: OS-dependent link field
C %fp - 24: tmp, uint32_t[4]
C %fp - 40: wtxt, uint32_t[4]
C %fp - 136: OS register save area.
define(<FRAME_SIZE>, 136)
C %fp - 104: OS register save area.
define(<FRAME_SIZE>, 104)
.file "aes-decrypt-internal.asm"
......
......@@ -47,14 +47,17 @@ C %g1 and %g2 are TMP1 and TMP2
C Registers %g1-%g3 and %o0 - %o5 are free to use.
C I'm still slightly confused by the frame layout, specified in
C "SYSTEM V APPLICATION BINARY INTERFACE SPARC Processor Supplement".
C However, Sun's cc generates a 104 byte stack frame for a function
C with no local variables, so that should be good enough for us too.
C The sparc32 stack frame looks like
C
C %fp - 4: OS-dependent link field
C %fp - 8: OS-dependent link field
C %fp - 24: tmp, uint32_t[4]
C %fp - 40: wtxt, uint32_t[4]
C %fp - 136: OS register save area.
define(<FRAME_SIZE>, 136)
C %fp - 104: OS register save area
define(<FRAME_SIZE>, 104)
.file "aes-encrypt-internal.asm"
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment