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Re: [Tinycc-devel] WinCE ARM code

From: Timo VJ Lähde
Subject: Re: [Tinycc-devel] WinCE ARM code
Date: Fri, 16 Apr 2010 12:31:36 +0300

Thanks Daniel.

So something like this:

                   DWORD *pdw;
pdw = section_ptr_add(text_section, 8+4); // room for code and address *pdw = 0xE59FC000; // arm code ldr ip, [pc] ; PC+8+0 = 0001xxxx
                   *(pdw+1) = 0xE59CF000;  // arm code ldr pc, [ip]
                   p = section_ptr_add(text_section, 8);
                   *p = 0x25FF;
#ifdef TCC_TARGET_X86_64
                   *(DWORD*)(p+1) = (DWORD)-4;

                   put_elf_reloc(symtab_section, text_section,
offset + 8, R_XXX_THUNKFIX, is->iat_index); // offset to IAT position
                   put_elf_reloc(symtab_section, text_section,
                       offset + 2, R_XXX_THUNKFIX, is->iat_index);

-- Timppa

----- Original Message ----- From: "Daniel Glöckner" <address@hidden>
To: <address@hidden>
Sent: Friday, April 16, 2010 4:02 AM
Subject: Re: [Tinycc-devel] WinCE ARM code

On Thu, Apr 15, 2010 at 06:21:10PM +0300, Timo VJ Lähde wrote:
Is that correct code ?

 [00011038] 204825FF     strcsd        r2, [r8], #-5F
 [0001103C] 00000001     andeq         r0, r0, r1

Yes, on x86 that's
[00011038] ff 25 48 20 01 00 jmp dword near [dword 0x12048]

Should it be more something like this:
 [00011038] E59FC000     ldr           ip, [pc]  ; PC+8+0 = 00011040
 [0001103C] E59CF000     ldr           pc, [ip]
 [00011040] 00012030     andeq         r2, r1, r0, lsr r0

Feel free to fix pe_check_symbols()


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