#cdecl

[ngodingkode-blog-blog]

How to force cdecl on variadic function

How to force cdecl on variadic function

I’m writing a 64bit operating system using g++, and I have a variadic function like:

void DbgPrint(const char *fmt, ...);

which shall behave quite like printf. The problem here is that g++ follows the System V ABI, and thus it passes the first arguments in RDI, RSI, RDX, RCX, R8, R9, then pushes remaining (if any) on the stack.

Using the old stdarg.h macros va_start, va_arg, etc, with cdecl,…

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[lessonslearnedfordevs]

[homebrewupdates-blog]

cdecl version 2.5 for OS X

The formula for cdecl was recently updated to version 2.5.

To install cdecl on your Mac, open your Terminal application and run the following commands;

brew update brew install cdecl

 The updated formula is as follows:

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require 'formula' class Cdecl < Formula url 'http://cdecl.org/files/cdecl-blocks-2.5.tar.gz' homepage 'http://cdecl.org/' md5 'c1927e146975b1c7524cbaf07a7c10f8' def install # Fix namespace clash with Lion's getline inreplace "cdecl.c", "getline", "cdecl_getline" inreplace "Makefile" do |s| s.change_make_var! "CC", ENV.cc s.change_make_var! "CFLAGS", "#{ENV.cflags} -DBSD -DUSE_READLINE" s.change_make_var! "LIBS", "-lreadline" s.change_make_var! "BINDIR", bin s.change_make_var! "MANDIR", man1 end system "make" bin.mkdir man1.mkpath system "make install" end end

Currently cdecl has no dependencies in homebrew.

See which packages depend on cdecl.