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add optional PT_INTERP stuff

This commit is contained in:
PoroCYon 2019-01-26 03:34:15 +01:00 committed by PoroCYon
parent 378714f449
commit 56357dc04b
1 changed files with 23 additions and 1 deletions
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24
ldr/header.s
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@ -32,7 +32,23 @@ header:
; e_phentsize
dw (.segments.load - .segments.dynamic)
.segments:
; TODO: .segments.interp
%ifdef USE_INTERP
.segments.interp:
; {e_phnum: 2, e_shentsize: 0}, p_type: 3 = PT_INTERP
dd 3
; {e_shnum: <junk>, e_shstrnd: <junk>}, p_offset
dd (.interp - header)
; p_vaddr
dd .interp
; p_paddr
dd .interp
; p_filesz
dd (.interp.end-.interp)
; p_memsz
dd (.interp.end-.interp)
; p_flags, p_align
dd 0,0
%endif
.segments.dynamic:
; {e_phnum: 2, e_shentsize: 0}, p_type: 2 = PT_DYNAMIC
dd 2
@ -66,6 +82,11 @@ header:
; p_align
dd 0x1000
.segments.end:
%ifdef USE_INTERP
.interp:
db "/lib/ld-linux.so.2",0
.interp.end:
%endif
.dynamic:
.dynamic.strtab:
; d_tag: 5 = DT_STRTAB
@ -78,3 +99,4 @@ header:
dd 6
; d_un.d_ptr
dd 0