Name Language
helloa ANY [1]
hellob C
helloc C++
hellod Rust
hellow Magice

RISCV64:

Program Format

current: make use of ELF. The below are outdated.

The current version, please to see in unisym/*/task.h .

This is the old version.

0xCF is related to her-date.

Sub-program header After load
[ 2 byte ] – 0xCF,0x16(8086) or 0xCF,0x32(x86) SIGPROC() to call far
[ 2 byte ] – LOAD SIZE (Limit 32MB ) SIGPROC()
[ 2 byte ] – SIGPROC() ADDRH/S Code Segm
[ 2 byte ] – SIGPROC() ADDRL/A PROCESS ID
[ 2 byte ] – NUMOF SYS-API NEEDED PROCESS ID (up to 0xFFFF)
[ 2 byte ] – KEPT KEPT
[ 4 byte ] – ENTRY() ADDR OF .CODE32/ALL16 KEPT
[8n byte ] – SYS-API table SYS-API table(#)
[ 4 byte ] – Code addr Code Segm
[ 4 byte ] – Code leng KEPT
[ 4 byte ] – Stak addr Stak Segm
[ 4 byte ] – Stak leng KEPT
[ 4 byte ] – Data addr Data Segm
[ 4 byte ] – Data leng KEPT
*164(Dec)
LDTE:S3 *160
*156
LDTE:S2 *152
*148
LDTE:S1 *144
*140
LDTE:S0 *136
*132
LDTE:Ronl *128
124
LDTE:Data 120
116
LDTE:Code 112
108
LDTE:Header 104
IOMap:103 STRC[15,T] 103 STRC[15,T] 100
#LDTLen LDTSel 0 96
GS:RONL ConstStart ← 0 GS 92
FS:ROUT3 ConstLen(0:!Exist) ← FS 88
DS:DATA DataStart ← DS 84
SS:STAK3 DataLen(0:!Exist) ← SS 80
CS:CODE CodeStart ← CS 76
ES:HEADER CodeLen>0 ← ES 72
EDI ← EDI ← 68
ESI ← ESI ← 64
EBP ← EBP ← 60
ESP ← StakLen ← ESP ← 56
EBX ← EBX ← 52
EDX ← EDX ← 48
ECX ← ECX ← 44
EAX ←(PUSHAD) EAX ← 40
EFLAGS ←(PUSHFD) EFLAGS ← 36
EIP ← Entry=EIP ← EIP ← 32
PDBR ← PDBR ← 28
AdrPointerH SS2 SS2 24
ESP2 ← ESP2 ← 20
AdrPointerL SS1 SS1 16
ESP1 ← ESP1 ← 12
TIMES SS0 0x32DE Ring SS0 8
ESP0 ←(Low P of) ESP0 ← 4
CrtSubapp LastTSS LenToLoad ← 0 0
LOADED:256 High←Low TOLOAD ← KERNEL ← Offset

TIMES: even for available and odd for busy. the number is added by 2 each executed.

If length of a Code/Data segment is greater than 0x1_00000, the real length will be the times of 4K.

  1. "ANY" is AASM or NASM or YASM. ↩︎