Re: [Vala] Compiling a shared library with entry point
- From: Al Thomas <astavale yahoo co uk>
- To: "vala-list gnome org" <vala-list gnome org>
- Subject: Re: [Vala] Compiling a shared library with entry point
- Date: Mon, 11 May 2020 12:13:41 +0000 (UTC)
On Monday, 11 May 2020, 06:02:32 BST, Rasmus René Bronné Lindegaard via vala-list <vala-list gnome org>
wrote:
I'm currently working on a project where it would be extremely useful if I could execute the shared library
I'm compiling.
I know it can be done with C, so it should be doable with Vala.
I can compile the following:
void main () {
    print ("Running...\n");
}
with:
valac --library test -X -pie -X -fPIE demo.vala
and it works for me.
The output from `readelf --file-header demo` is:
ELF Header:
 Magic:  7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00
 Class:                            ELF64
 Data:                             2's complement, little endian
 Version:                          1 (current)
 OS/ABI:                           UNIX - System V
 ABI Version:                      0
 Type:                             DYN (Shared object file)
 Machine:                          Advanced Micro Devices X86-64
 Version:                          0x1
 Entry point address:              0x6d0
 Start of program headers:         64 (bytes into file)
 Start of section headers:         6712 (bytes into file)
 Flags:                            0x0
 Size of this header:              64 (bytes)
 Size of program headers:          56 (bytes)
 Number of program headers:        9
 Size of section headers:          64 (bytes)
 Number of section headers:        31
 Section header string table index: 28
Regards,
Al
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