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bsd-user: Remove dead #ifdefs from elfload.c

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LOW_ELF_STACK doesn't exist on FreeBSD and likely never will. Remove it.
Likewise, remove an #if 0 block that's not useful

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2021-08-06 11:56:45 -06:00 committed by Warner Losh
parent 98b34d354b
commit 2ab2b01c2b
1 changed files with 0 additions and 20 deletions
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20
bsd-user/elfload.c
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@ -558,9 +558,6 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs,
abi_ulong elf_entry, interp_load_addr = 0;
abi_ulong start_code, end_code, start_data, end_data;
abi_ulong reloc_func_desc = 0;
#ifdef LOW_ELF_STACK
abi_ulong elf_stack = ~((abi_ulong)0UL);
#endif
load_addr = 0;
load_bias = 0;
@ -761,11 +758,6 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs,
exit(-1);
}
#ifdef LOW_ELF_STACK
if (TARGET_ELF_PAGESTART(elf_ppnt->p_vaddr) < elf_stack)
elf_stack = TARGET_ELF_PAGESTART(elf_ppnt->p_vaddr);
#endif
if (!load_addr_set) {
load_addr_set = 1;
load_addr = elf_ppnt->p_vaddr - elf_ppnt->p_offset;
@ -823,9 +815,6 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs,
close(bprm->fd);
#ifdef LOW_ELF_STACK
info->start_stack = bprm->p = elf_stack - 4;
#endif
bprm->p = target_create_elf_tables(bprm->p, bprm->argc, bprm->envc,
bprm->stringp, &elf_ex, load_addr,
load_bias, interp_load_addr, info);
@ -843,15 +832,6 @@ int load_elf_binary(struct bsd_binprm *bprm, struct target_pt_regs *regs,
padzero(elf_bss, elf_brk);
#if 0
printf("(start_brk) %x\n" , info->start_brk);
printf("(end_code) %x\n" , info->end_code);
printf("(start_code) %x\n" , info->start_code);
printf("(end_data) %x\n" , info->end_data);
printf("(start_stack) %x\n" , info->start_stack);
printf("(brk) %x\n" , info->brk);
#endif
info->entry = elf_entry;
return 0;