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Automate generation of assembly offsets from C structures via XTADK
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This commit is contained in:
Aiken Harris
2026-04-02 09:07:01 +02:00
parent 87a91bfeb1
commit 0fa23ccf40
7 changed files with 258 additions and 5 deletions
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14
sdk/xtadk/CMakeLists.txt Normal file
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# XT Assembly Development Kit
PROJECT(XTADK)
# Specify include directories
include_directories(
${EXECTOS_SOURCE_DIR}/sdk/xtdk
${XTADK_SOURCE_DIR}/includes)
# Specify list of XTADK source code files
list(APPEND XTADK_SOURCE
${XTADK_SOURCE_DIR}/${ARCH}/ke.cc)
# Generate assembly header from XTADK sources
generate_xtadk(xtadk "${XTADK_SOURCE}")

83
sdk/xtadk/amd64/ke.cc Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: sdk/xtadk/amd64/ke.cc
* DESCRIPTION: ADK generator for AMD64 version of Kernel Library
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#include <xtkmapi.h>
#include <adkdefs.h>
/**
* Generates a definitions file for the Kernel Library used by the XTOS kernel assembly code
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTCLINK
XTAPI
VOID
GenerateAssemblyDefinitions(VOID)
{
/* Generate KTRAP_FRAME offsets */
ADK_OFFSET(KTRAP_FRAME, Xmm0);
ADK_OFFSET(KTRAP_FRAME, Xmm1);
ADK_OFFSET(KTRAP_FRAME, Xmm2);
ADK_OFFSET(KTRAP_FRAME, Xmm3);
ADK_OFFSET(KTRAP_FRAME, Xmm4);
ADK_OFFSET(KTRAP_FRAME, Xmm5);
ADK_OFFSET(KTRAP_FRAME, Xmm6);
ADK_OFFSET(KTRAP_FRAME, Xmm7);
ADK_OFFSET(KTRAP_FRAME, Xmm8);
ADK_OFFSET(KTRAP_FRAME, Xmm9);
ADK_OFFSET(KTRAP_FRAME, Xmm10);
ADK_OFFSET(KTRAP_FRAME, Xmm11);
ADK_OFFSET(KTRAP_FRAME, Xmm12);
ADK_OFFSET(KTRAP_FRAME, Xmm13);
ADK_OFFSET(KTRAP_FRAME, Xmm14);
ADK_OFFSET(KTRAP_FRAME, Xmm15);
ADK_OFFSET(KTRAP_FRAME, MxCsr);
ADK_OFFSET(KTRAP_FRAME, PreviousMode);
ADK_OFFSET(KTRAP_FRAME, Cr2);
ADK_OFFSET(KTRAP_FRAME, Cr3);
ADK_OFFSET(KTRAP_FRAME, Dr0);
ADK_OFFSET(KTRAP_FRAME, Dr1);
ADK_OFFSET(KTRAP_FRAME, Dr2);
ADK_OFFSET(KTRAP_FRAME, Dr3);
ADK_OFFSET(KTRAP_FRAME, Dr6);
ADK_OFFSET(KTRAP_FRAME, Dr7);
ADK_OFFSET(KTRAP_FRAME, SegDs);
ADK_OFFSET(KTRAP_FRAME, SegEs);
ADK_OFFSET(KTRAP_FRAME, SegFs);
ADK_OFFSET(KTRAP_FRAME, SegGs);
ADK_OFFSET(KTRAP_FRAME, Rax);
ADK_OFFSET(KTRAP_FRAME, Rbx);
ADK_OFFSET(KTRAP_FRAME, Rcx);
ADK_OFFSET(KTRAP_FRAME, Rdx);
ADK_OFFSET(KTRAP_FRAME, R8);
ADK_OFFSET(KTRAP_FRAME, R9);
ADK_OFFSET(KTRAP_FRAME, R10);
ADK_OFFSET(KTRAP_FRAME, R11);
ADK_OFFSET(KTRAP_FRAME, R12);
ADK_OFFSET(KTRAP_FRAME, R13);
ADK_OFFSET(KTRAP_FRAME, R14);
ADK_OFFSET(KTRAP_FRAME, R15);
ADK_OFFSET(KTRAP_FRAME, Rsi);
ADK_OFFSET(KTRAP_FRAME, Rdi);
ADK_OFFSET(KTRAP_FRAME, Rbp);
ADK_OFFSET(KTRAP_FRAME, Vector);
ADK_OFFSET(KTRAP_FRAME, ErrorCode);
ADK_OFFSET(KTRAP_FRAME, ExceptionFrame);
ADK_OFFSET(KTRAP_FRAME, Rip);
ADK_OFFSET(KTRAP_FRAME, SegCs);
ADK_OFFSET(KTRAP_FRAME, Flags);
ADK_OFFSET(KTRAP_FRAME, Rsp);
ADK_OFFSET(KTRAP_FRAME, SegSs);
/* Generate KTRAP_FRAME size and REGISTERS_SIZE */
ADK_SIZE(KTRAP_FRAME);
ADK_SIZE_FROM(REGISTERS_SIZE, KTRAP_FRAME, Rax);
}

57
sdk/xtadk/i686/ke.cc Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: sdk/xtadk/i686/ke.cc
* DESCRIPTION: ADK generator for i686 version of Kernel Library
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#include <xtkmapi.h>
#include <adkdefs.h>
/**
* Generates a definitions file for the Kernel Library used by the XTOS kernel assembly code
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTCLINK
XTAPI
VOID
GenerateAssemblyDefinitions(VOID)
{
/* Generate KTRAP_FRAME offsets */
ADK_OFFSET(KTRAP_FRAME, PreviousMode);
ADK_OFFSET(KTRAP_FRAME, Cr2);
ADK_OFFSET(KTRAP_FRAME, Cr3);
ADK_OFFSET(KTRAP_FRAME, Dr0);
ADK_OFFSET(KTRAP_FRAME, Dr1);
ADK_OFFSET(KTRAP_FRAME, Dr2);
ADK_OFFSET(KTRAP_FRAME, Dr3);
ADK_OFFSET(KTRAP_FRAME, Dr6);
ADK_OFFSET(KTRAP_FRAME, Dr7);
ADK_OFFSET(KTRAP_FRAME, SegDs);
ADK_OFFSET(KTRAP_FRAME, SegEs);
ADK_OFFSET(KTRAP_FRAME, SegFs);
ADK_OFFSET(KTRAP_FRAME, SegGs);
ADK_OFFSET(KTRAP_FRAME, Eax);
ADK_OFFSET(KTRAP_FRAME, Ebx);
ADK_OFFSET(KTRAP_FRAME, Ecx);
ADK_OFFSET(KTRAP_FRAME, Edx);
ADK_OFFSET(KTRAP_FRAME, Esi);
ADK_OFFSET(KTRAP_FRAME, Edi);
ADK_OFFSET(KTRAP_FRAME, Ebp);
ADK_OFFSET(KTRAP_FRAME, Vector);
ADK_OFFSET(KTRAP_FRAME, ErrorCode);
ADK_OFFSET(KTRAP_FRAME, Eip);
ADK_OFFSET(KTRAP_FRAME, SegCs);
ADK_OFFSET(KTRAP_FRAME, Flags);
ADK_OFFSET(KTRAP_FRAME, Esp);
ADK_OFFSET(KTRAP_FRAME, SegSs);
/* Generate KTRAP_FRAME size and REGISTERS_SIZE */
ADK_SIZE(KTRAP_FRAME);
ADK_SIZE_FROM(REGISTERS_SIZE, KTRAP_FRAME, Rax);
}

19
sdk/xtadk/includes/adkdefs.h Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: sdk/xtadk/adkdefs.h
* DESCRIPTION: Definitions for XTADK
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTADK_ADKDEFS_H
#define __XTADK_ADKDEFS_H
/* Macros for calculating structure size and offsets for assembler code */
#define ADK_DEFINE(Symbol, Value) __asm__ volatile("\n\t# ==> " #Symbol " %c0" : : "i" ((SIZE_T)(Value)))
#define ADK_OFFSET(Structure, Member) ADK_DEFINE(Structure ## _ ## Member, FIELD_OFFSET(Structure, Member))
#define ADK_SIZE(Structure) ADK_DEFINE(Structure ## _SIZE, sizeof(Structure))
#define ADK_SIZE_FROM(Name, Structure, Member) ADK_DEFINE(Structure ## _ ## Name, sizeof(Structure) - FIELD_OFFSET(Structure, Member))
#endif /* __XTADK_ADKDEFS_H */