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cdecl calling convention expects the callee to pop the hidden pointer on

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struct return. For example, GCC and LLVM comply with this (tested on IA32).

ACK doesn't seem to follow this convention and expects the caller to clean up
the stack. Compiling hand-written ACK-compliant assembly code (returning a 
struct) with GCC or LLVM used to break things (4-bytes misaligned stack).

The patch fixes this problem.
This commit is contained in:
Lorenzo Cavallaro
2010-03-24 17:25:17 +00:00
parent 5fd3f34273
commit a16308efdb
10 changed files with 57 additions and 8 deletions
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3
include/Makefile
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@@ -21,7 +21,8 @@ INCS+= minix/a.out.h minix/bitmap.h minix/callnr.h minix/cdrom.h \
minix/rs.h minix/safecopies.h minix/sef.h minix/sound.h \
minix/sys_config.h minix/sysinfo.h minix/syslib.h \
minix/sysutil.h minix/tty.h minix/type.h minix/types.h \
minix/u64.h minix/vfsif.h minix/vm.h
minix/u64.h minix/vfsif.h minix/vm.h \
minix/compiler.h minix/compiler-ack.h
INCS+= net/hton.h net/if.h net/ioctl.h net/netlib.h
INCS+= net/gen/arp_io.h net/gen/dhcp.h net/gen/ether.h \
net/gen/eth_hdr.h net/gen/eth_io.h net/gen/icmp.h \