fcontext_sparc.hpp

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// Copyright 2023 owent
 
#pragma once
 
#include <libcopp/utils/config/libcopp_build_features.h>
 
// clang-format off
#include <libcopp/utils/config/stl_include_prefix.h>  // NOLINT(build/include_order)
// clang-format on
#include <stdint.h>
#include <cstddef>
// clang-format off
#include <libcopp/utils/config/stl_include_suffix.h>  // NOLINT(build/include_order)
// clang-format on
 
#include "libcopp/fcontext/detail/config.hpp"
#include "libcopp/utils/features.h"
 
#ifdef COPP_HAS_ABI_HEADERS
#  include COPP_ABI_PREFIX
#endif
 
LIBCOPP_COPP_NAMESPACE_BEGIN
namespace fcontext {
 
extern "C" {
 
#define COPP_BOOST_CONTEXT_CALLDECL
 
// if defined(_LP64) we are compiling for sparc64, otherwise it is 32 bit
// sparc.
 
struct stack_t {
  void *sp;
  std::size_t size;
 
  stack_t() : sp(0), size(0) {}
};
 
struct fp_t {
#ifdef _LP64
  uint64_t fp_freg[32];
  uint64_t fp_fprs, fp_fsr;
#else
  uint64_t fp_freg[16];
  uint32_t fp_fsr;
#endif
 
  fp_t()
      : fp_freg(),
#ifdef _LP64
        fp_fprs(),
#endif
        fp_fsr() {
  }
}
#ifdef _LP64
__attribute__((__aligned__(64)))  // allow VIS instructions to be used
#endif
;
 
struct fcontext_t {
  fp_t fc_fp;  // fpu stuff first, for easier alignement
#ifdef _LP64
  uint64_t
#else
  uint32_t
#endif
      fc_greg[8];
  stack_t fc_stack;
 
  fcontext_t() : fc_fp(), fc_greg(), fc_stack() {}
};
}
}  // namespace fcontext
LIBCOPP_COPP_NAMESPACE_END
 
#ifdef COPP_HAS_ABI_HEADERS
#  include COPP_ABI_SUFFIX
#endif