gs_seg_helpers.h

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#pragma once
 
#include <stdint.h>
#include <setjmp.h>
#include <string.h>
 
#include <sysio/chain/webassembly/sys-vm-oc/sys-vm-oc.h>
 
#ifdef __clang__
   #define GS_PTR __attribute__((address_space(256)))
#else
   #define GS_PTR __seg_gs
#endif
 
//This is really rather unfortunate, but on the upside it does allow a static assert to know if
//the values ever slide which would be a PIC breaking event we'd want to know about at compile
//time.
#define EOS_VM_OC_CONTROL_BLOCK_OFFSET (-18944)
#define EOS_VM_OC_MEMORY_STRIDE (UINT64_C(8589963264))
 
#ifdef __cplusplus
extern "C" {
#endif
 
int32_t eos_vm_oc_grow_memory(int32_t grow, int32_t max);
sigjmp_buf* eos_vm_oc_get_jmp_buf();
void* eos_vm_oc_get_exception_ptr();
void* eos_vm_oc_get_bounce_buffer_list();
 
#ifdef __cplusplus
}
#endif