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get rid of PT_DYNAMIC: not worth the space; instead, use "upx -d" then ldd

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p_lx_exc.h p_lx_elf.cpp p_lx_exc.cpp p_lx_sh.cpp
	stub/l_lx_elf.c stub/l_lx_elf86.lds stub/fold_elf86.asm

committer: jreiser <jreiser> 981747384 +0000
This commit is contained in:
John Reiser
2001-02-09 19:36:24 +00:00
parent e866b2231f
commit 2ff824e631
7 changed files with 31 additions and 167 deletions
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src/stub/l_lx_elf.c
+10 -15
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@@ -316,35 +316,30 @@ ERR_LAB
**************************************************************************/
void *upx_main(
char /*const*/ *const b1st_info,
Elf32_auxv_t *const av,
unsigned const sz_compressed,
f_expand *const f_decompress,
Elf32_auxv_t *const av,
Elf32_Ehdr *const ehdr
Elf32_Ehdr *const ehdr,
struct Extent xo,
struct Extent xi
) __asm__("upx_main");
void *upx_main(
char /*const*/ *const b1st_info,
Elf32_auxv_t *const av,
unsigned const sz_compressed,
f_expand *const f_decompress,
Elf32_auxv_t *const av,
Elf32_Ehdr *const ehdr // temp char[MAX_ELF_HDR+OVERHEAD]
Elf32_Ehdr *const ehdr, // temp char[MAX_ELF_HDR+OVERHEAD]
struct Extent xo, // {sz_unc, ehdr} for ELF headers
struct Extent xi // {sz_cpr, &b_info} for ELF headers
)
{
Elf32_Phdr const *phdr = (Elf32_Phdr const *)(1+ehdr);
Elf32_Phdr const *phdr = (Elf32_Phdr const *)(1+ ehdr);
Elf32_Addr entry;
struct Extent xo;
struct Extent xi = { 0, b1st_info }; // location of 1st b_info
// sizeof(Ehdr+Phdrs), uncompressed
size_t const sz_elfhdrs = ((size_t *)xi.buf)[0];
// sizeof(Ehdr+Phdrs), compressed; including b_info header
size_t const sz_pckhdrs = sizeof(struct b_info) + ((size_t *)xi.buf)[1];
size_t const sz_pckhdrs = xi.size;
// Uncompress Ehdr and Phdrs.
xo.size = sz_elfhdrs; xo.buf = (char *)ehdr;
xi.size = sz_pckhdrs;
unpackExtent(&xi, &xo, f_decompress, 0);
// Prepare to decompress the Elf headers again, into the first PT_LOAD.