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fix alignment of registers structure

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Niko Matsakis 2012-01-06 07:45:06 -08:00
parent 82cb906dd8
commit fefae72a53
1 changed files with 3 additions and 6 deletions
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9
src/rt/arch/x86_64/context.h
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@ -21,21 +21,18 @@ T align_down(T sp)
// The struct in which we store the saved data. This is mostly the // The struct in which we store the saved data. This is mostly the
// volatile registers and instruction pointer, but it also includes // volatile registers and instruction pointer, but it also includes
// RCX/RDI which are used to pass arguments. The indices for each // RCX/RDI which are used to pass arguments. The indices for each
// register are found in "regs.h": // register are found in "regs.h". Note that the alignment must be
// 16 bytes so that SSE instructions can be used.
#include "regs.h" #include "regs.h"
struct registers_t { struct registers_t {
uint64_t data[RUSTRT_MAX]; uint64_t data[RUSTRT_MAX];
}; } __attribute__((aligned(16)));
extern "C" void __morestack(void *args, void *fn_ptr, uintptr_t stack_ptr); extern "C" void __morestack(void *args, void *fn_ptr, uintptr_t stack_ptr);
class context { class context {
public: public:
#ifdef __FreeBSD__
registers_t regs __attribute__((aligned(16)));
#else
registers_t regs; registers_t regs;
#endif
context(); context();