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* x86, asm: Flip RESTORE_ARGS arguments logicBorislav Petkov2011-06-031-13/+8
| | | | | | | | | | | ... thus getting rid of the "else" part of the conditional statement in the macro. No functionality change. Signed-off-by: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1306873314-32523-4-git-send-email-bp@alien8.de Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* x86, asm: Flip SAVE_ARGS arguments logicBorislav Petkov2011-06-031-5/+3
| | | | | | | | | | This saves us the else part of the conditional statement in the macro. No functionality change. Signed-off-by: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1306873314-32523-3-git-send-email-bp@alien8.de Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* x86, asm: Thin down SAVE/RESTORE_* asm macrosBorislav Petkov2011-06-031-60/+41
| | | | | | | | | | | Use dwarf2 cfi annotation macros, making SAVE/RESTORE_* marginally more readable. No functionality change. Signed-off-by: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1306873314-32523-2-git-send-email-bp@alien8.de Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* x86, asm: Fix CFI macro invocations to deal with shortcomings in gasJan Beulich2010-10-191-25/+27
| | | | | | | | | | | | | | | | | | gas prior to (perhaps) 2.16.90 has problems with passing non- parenthesized expressions containing spaces to macros. Spaces, however, get inserted by cpp between any macro expanding to a number and a subsequent + or -. For the +, current x86 gas then removes the space again (future gas may not do so), but for the - the space gets retained and is then considered a separator between macro arguments. Fix the respective definitions for both the - and + cases, so that they neither contain spaces nor make cpp insert any (the latter by adding seemingly redundant parentheses). Signed-off-by: Jan Beulich <jbeulich@novell.com> LKML-Reference: <4CBDBEBA020000780001E05A@vpn.id2.novell.com> Cc: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* x86: document 64-bit and 32-bit function call convention ABIIngo Molnar2009-02-031-3/+53
| | | | | | - also clean up the calling.h file a tiny bit Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, um: ... and asm-x86 moveAl Viro2008-10-221-0/+170
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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