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default for AT_PHDR if no PT_PHDR (as in static upx)

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l_lx_elf.c l_lx_sep.c; not needed in l_lx_sh.c

committer: jreiser <jreiser> 973888017 +0000
This commit is contained in:
John Reiser 2000-11-10 20:26:57 +00:00
parent 10f26f276c
commit b66930fa04
2 changed files with 4 additions and 2 deletions
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3
src/stub/l_lx_elf.c
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@ -344,7 +344,8 @@ void *upx_main(
xi.buf -= 2*sizeof(size_t) + sz_pckhdrs;
xi.size = ((Elf32_Phdr const *)(1 + my_ehdr))->p_filesz - lsize;
av[0].a_type = AT_PHDR; // av[0].a_un.a_val is set by do_xmap
// av[0].a_un.a_val is set again by do_xmap if PT_PHDR is present
av[0].a_type = AT_PHDR; av[0].a_un.a_ptr = 1+(Elf32_Ehdr *)phdr->p_vaddr;
av[1].a_type = AT_PHENT; av[1].a_un.a_val = ehdr->e_phentsize;
av[2].a_type = AT_PHNUM; av[2].a_un.a_val = ehdr->e_phnum;
av[3].a_type = AT_PAGESZ; av[3].a_un.a_val = PAGE_SIZE;

3
src/stub/l_lx_sep.c
View File

@ -394,7 +394,8 @@ ERR_LAB
if (lseek(fdi, -(sizeof(xo) + sz_pckhdrs), SEEK_CUR) < 0) {
err_exit(17);
}
av[0].a_type = AT_PHDR; av[0].a_un.a_val = 0; // updated by do_xmap
// av[0].a_un.a_val is set again by do_xmap if PT_PHDR is present
av[0].a_type = AT_PHDR; av[0].a_un.a_ptr = 1+(Elf32_Ehdr *)phdr->p_vaddr;
av[1].a_type = AT_PHENT; av[1].a_un.a_val = ehdr->e_phentsize;
av[2].a_type = AT_PHNUM; av[2].a_un.a_val = ehdr->e_phnum;
av[3].a_type = AT_PAGESZ; av[3].a_un.a_val = PAGE_SIZE;