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| author | Xavier Leroy <xavierleroy@users.noreply.github.com> | 2015-03-31 10:19:44 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavierleroy@users.noreply.github.com> | 2015-03-31 10:19:44 +0200 |
| commit | 47a6b116069cff9c71466bde1fd87d0775ec9175 (patch) | |
| tree | cc6402162b64512db1f82ebbb5c94606f14ee3a8 /runtime/arm/vararg.S | |
| parent | 14f3f0dfb90c74b7e1bc96c4aee74fb88dd7923b (diff) | |
| parent | c1205952ab7e3be09cd1a0a9a4d4ee9ddeefe1ea (diff) | |
| download | compcert-47a6b116069cff9c71466bde1fd87d0775ec9175.tar.gz compcert-47a6b116069cff9c71466bde1fd87d0775ec9175.zip | |
Merge pull request #33 from AbsInt/struct-passing
ABI conformance for passing function arguments and returning function results of struct and union types
Diffstat (limited to 'runtime/arm/vararg.S')
| -rw-r--r-- | runtime/arm/vararg.S | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/runtime/arm/vararg.S b/runtime/arm/vararg.S index ae06e361..5e319b8b 100644 --- a/runtime/arm/vararg.S +++ b/runtime/arm/vararg.S @@ -75,3 +75,15 @@ FUNCTION(__compcert_va_float64) #endif bx lr ENDFUNCTION(__compcert_va_float64) + +FUNCTION(__compcert_va_composite) + @ r0 = ap parameter + @ r1 = size of the composite, in bytes + ldr r2, [r0, #0] @ r2 = pointer to next argument + ADD r3, r2, r1 @ advance by size + ADD r3, r3, #3 @ 4-align + BIC r3, r3, #3 + str r3, [r0, #0] @ update ap + mov r0, r2 @ result is pointer to composite in stack + bx lr +ENDFUNCTION(__compcert_va_composite) |