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[src/trunk]: src/sys/arch/mips/mips Remove unused (and buggy) function. Not e...
details: https://anonhg.NetBSD.org/src/rev/7c11566db9b2
branches: trunk
changeset: 348377:7c11566db9b2
user: maxv <maxv%NetBSD.org@localhost>
date: Sun Oct 16 10:57:58 2016 +0000
description:
Remove unused (and buggy) function. Not even compile-tested, but I've
been told to go ahead anyway.
diffstat:
sys/arch/mips/mips/cpu_exec.c | 161 +-----------------------------------------
1 files changed, 2 insertions(+), 159 deletions(-)
diffs (189 lines):
diff -r e81581c2d465 -r 7c11566db9b2 sys/arch/mips/mips/cpu_exec.c
--- a/sys/arch/mips/mips/cpu_exec.c Sun Oct 16 10:51:31 2016 +0000
+++ b/sys/arch/mips/mips/cpu_exec.c Sun Oct 16 10:57:58 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cpu_exec.c,v 1.64 2011/07/10 23:21:58 matt Exp $ */
+/* $NetBSD: cpu_exec.c,v 1.65 2016/10/16 10:57:58 maxv Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu_exec.c,v 1.64 2011/07/10 23:21:58 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu_exec.c,v 1.65 2016/10/16 10:57:58 maxv Exp $");
#include "opt_compat_netbsd.h"
#include "opt_compat_ultrix.h"
@@ -64,8 +64,6 @@
#include <compat/common/compat_util.h>
-int mips_elf_makecmds(struct lwp *, struct exec_package *);
-
#ifdef EXEC_ECOFF
void
cpu_exec_ecoff_setregs(struct lwp *l, struct exec_package *epp, vaddr_t stack)
@@ -91,161 +89,6 @@
}
#endif /* EXEC_ECOFF */
-/*
- * mips_elf_makecmds (l, epp)
- *
- * Test if an executable is a MIPS ELF executable. If it is,
- * try to load it.
- */
-
-int
-mips_elf_makecmds(struct lwp *l, struct exec_package *epp)
-{
- Elf32_Ehdr *ex = (Elf32_Ehdr *)epp->ep_hdr;
- Elf32_Phdr ph;
- int i, error;
- size_t resid;
-
- /* Make sure we got enough data to check magic numbers... */
- if (epp->ep_hdrvalid < sizeof (Elf32_Ehdr)) {
-#ifdef DIAGNOSTIC
- if (epp->ep_hdrlen < sizeof (Elf32_Ehdr))
- printf ("mips_elf_makecmds: execsw hdrsize too short!\n");
-#endif
- return ENOEXEC;
- }
-
- /* See if it's got the basic elf magic number leadin... */
- if (memcmp(ex->e_ident, ELFMAG, SELFMAG) != 0) {
- return ENOEXEC;
- }
-
- /* XXX: Check other magic numbers here. */
- if (ex->e_ident[EI_CLASS] != ELFCLASS32) {
- return ENOEXEC;
- }
-
- /* See if we got any program header information... */
- if (!ex->e_phoff || !ex->e_phnum) {
- return ENOEXEC;
- }
-
- error = vn_marktext(epp->ep_vp);
- if (error)
- return (error);
-
- /* Set the entry point... */
- epp->ep_entry = ex->e_entry;
- epp->ep_taddr = 0;
- epp->ep_tsize = 0;
- epp->ep_daddr = 0;
- epp->ep_dsize = 0;
-
- for (i = 0; i < ex->e_phnum; i++) {
-#ifdef DEBUG
- /*printf("obsolete elf: mapping %x %x %x\n", resid);*/
-#endif
- if ((error = vn_rdwr(UIO_READ, epp->ep_vp, (void *)&ph,
- sizeof ph, ex->e_phoff + i * sizeof ph,
- UIO_SYSSPACE, IO_NODELOCKED,
- l->l_cred, &resid, NULL))
- != 0)
- return error;
-
- if (resid != 0) {
- return ENOEXEC;
- }
-
- /* We only care about loadable sections... */
- if (ph.p_type == PT_LOAD) {
- int prot = VM_PROT_READ | VM_PROT_EXECUTE;
- int residue;
- unsigned vaddr, offset, length;
-
- vaddr = ph.p_vaddr;
- offset = ph.p_offset;
- length = ph.p_filesz;
- residue = ph.p_memsz - ph.p_filesz;
-
- if (ph.p_flags & PF_W) {
- prot |= VM_PROT_WRITE;
- if (!epp->ep_daddr || vaddr < epp->ep_daddr)
- epp->ep_daddr = vaddr;
- epp->ep_dsize += ph.p_memsz;
- /* Read the data from the file... */
- NEW_VMCMD(&epp->ep_vmcmds, vmcmd_map_readvn,
- length, vaddr,
- epp->ep_vp, offset, prot);
-#ifdef OLD_ELF_DEBUG
-/*XXX*/ printf(
- "obsolete elf: NEW_VMCMD len %x va %x off %x prot %x residue %x\n",
- length, vaddr, offset, prot, residue);
-#endif /*ELF_DEBUG*/
-
- if (residue) {
- vaddr &= ~(PAGE_SIZE - 1);
- offset &= ~(PAGE_SIZE - 1);
- length = roundup (length + ph.p_vaddr
- - vaddr, PAGE_SIZE);
- residue = (ph.p_vaddr + ph.p_memsz)
- - (vaddr + length);
- }
- } else {
- vaddr &= ~(PAGE_SIZE - 1);
- offset &= ~(PAGE_SIZE - 1);
- length = roundup (length + ph.p_vaddr - vaddr,
- PAGE_SIZE);
- residue = (ph.p_vaddr + ph.p_memsz)
- - (vaddr + length);
- if (!epp->ep_taddr || vaddr < epp->ep_taddr)
- epp->ep_taddr = vaddr;
- epp->ep_tsize += ph.p_memsz;
- /* Map the data from the file... */
- NEW_VMCMD(&epp->ep_vmcmds, vmcmd_map_pagedvn,
- length, vaddr,
- epp->ep_vp, offset, prot);
- }
- /* If part of the segment is just zeros (e.g., bss),
- map that. */
- if (residue > 0) {
-#ifdef OLD_ELF_DEBUG
-/*XXX*/ printf(
- "old elf:resid NEW_VMCMD len %x va %x off %x prot %x residue %x\n",
- length, vaddr + length, offset, prot, residue);
-#endif /*ELF_DEBUG*/
-
- NEW_VMCMD (&epp->ep_vmcmds, vmcmd_map_zero,
- residue, vaddr + length,
- NULLVP, 0, prot);
- }
- }
- }
-
- epp->ep_maxsaddr = USRSTACK - MAXSSIZ;
- epp->ep_minsaddr = USRSTACK;
- epp->ep_ssize = l->l_proc->p_rlimit[RLIMIT_STACK].rlim_cur;
-
- /*
- * set up commands for stack. note that this takes *two*, one to
- * map the part of the stack which we can access, and one to map
- * the part which we can't.
- *
- * arguably, it could be made into one, but that would require the
- * addition of another mapping proc, which is unnecessary
- *
- * note that in memory, things assumed to be: 0 ....... ep_maxsaddr
- * <stack> ep_minsaddr
- */
- NEW_VMCMD2(&epp->ep_vmcmds, vmcmd_map_zero,
- ((epp->ep_minsaddr - epp->ep_ssize) - epp->ep_maxsaddr),
- epp->ep_maxsaddr, NULLVP, 0, VM_PROT_NONE, VMCMD_STACK);
- NEW_VMCMD2(&epp->ep_vmcmds, vmcmd_map_zero, epp->ep_ssize,
- (epp->ep_minsaddr - epp->ep_ssize), NULLVP, 0,
- VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE, VMCMD_STACK);
-
- return 0;
-}
-
#if EXEC_ELF32
int
mips_netbsd_elf32_probe(struct lwp *l, struct exec_package *epp, void *eh0,
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