PERFORCE change 106362 for review

[Suleiman Souhlal]

http://perforce.freebsd.org/chv.cgi?CH=106362

Change 106362 by ssouhlal at ssouhlal-maho on 2006/09/19 21:24:24

	Add ELF sysvec/brands for mips.

Affected files ...

.. //depot/projects/mips2/src/sys/mips/include/md_var.h#3 edit
.. //depot/projects/mips2/src/sys/mips/mips/elf_machdep.c#3 edit
.. //depot/projects/mips2/src/sys/mips/mips/locore.S#14 edit
.. //depot/projects/mips2/src/sys/mips/mips/machdep.c#20 edit

Differences ...

==== //depot/projects/mips2/src/sys/mips/include/md_var.h#3 (text+ko) ====

@@ -28,6 +28,9 @@
 #ifndef _MACHINE_MD_VAR_H_
 #define	_MACHINE_MD_VAR_H_
 
+extern char sigcode[];
+extern int szsigcode;
+
 extern	vm_offset_t kstack0;
 extern	vm_paddr_t kstack0_phys;
 

==== //depot/projects/mips2/src/sys/mips/mips/elf_machdep.c#3 (text+ko) ====

@@ -26,10 +26,82 @@
  */
 
 #include <sys/param.h>
+#include <sys/kernel.h>
 #include <sys/systm.h>
+#include <sys/exec.h>
+#include <sys/imgact.h>
 #include <sys/linker.h>
-#include <sys/imgact.h>
+#include <sys/sysent.h>
 #include <sys/imgact_elf.h>
+#include <sys/syscall.h>
+#include <sys/signalvar.h>
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#include <vm/vm_param.h>
+
+#include <machine/elf.h>
+#include <machine/md_var.h>
+
+struct sysentvec elf32_freebsd_sysvec = {
+	SYS_MAXSYSCALL,
+	sysent,
+	0,
+	0,
+	NULL,
+	0,
+	NULL,
+	NULL,
+	__elfN(freebsd_fixup),
+	sendsig,
+	sigcode,
+	&szsigcode,
+	NULL,
+	"FreeBSD ELF32",
+	__elfN(coredump),
+	NULL,
+	MINSIGSTKSZ,
+	PAGE_SIZE,
+	VM_MIN_ADDRESS,
+	VM_MAXUSER_ADDRESS,
+	USRSTACK,
+	PS_STRINGS,
+	VM_PROT_ALL,
+	exec_copyout_strings,
+	exec_setregs,
+	NULL
+};
+
+static Elf32_Brandinfo freebsd_brand_info = {
+						ELFOSABI_FREEBSD,
+						EM_MIPS,
+						"FreeBSD",
+						NULL,
+						"/libexec/ld-elf.so.1",
+						&elf32_freebsd_sysvec,
+						NULL,
+						0,
+					  };
+
+SYSINIT(elf32, SI_SUB_EXEC, SI_ORDER_ANY,
+	(sysinit_cfunc_t) elf32_insert_brand_entry,
+	&freebsd_brand_info);
+
+static Elf32_Brandinfo freebsd_brand_oinfo = {
+						ELFOSABI_FREEBSD,
+						EM_MIPS,
+						"FreeBSD",
+						NULL,
+						"/usr/libexec/ld-elf.so.1",
+						&elf32_freebsd_sysvec,
+						NULL,
+						0,
+					   };
+
+SYSINIT(oelf32, SI_SUB_EXEC, SI_ORDER_ANY,
+	(sysinit_cfunc_t) elf32_insert_brand_entry,
+	&freebsd_brand_oinfo);
+
 
 void
 elf32_dump_thread(struct thread *td, void *dst, size_t *off)

==== //depot/projects/mips2/src/sys/mips/mips/locore.S#14 (text+ko) ====

@@ -114,3 +114,12 @@
 	nop
 
 	/* NOTREACHED */
+
+ASM_ENTRY(sigcode)
+	break
+
+esigcode:
+	.data
+	.global szsigcode
+szsigcode:
+	.long esigcode-sigcode

==== //depot/projects/mips2/src/sys/mips/mips/machdep.c#20 (text+ko) ====

@@ -87,6 +87,12 @@
 SYSINIT(cpu, SI_SUB_CPU, SI_ORDER_FIRST, cpu_startup, NULL);
 
 void
+sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
+{
+	__asm __volatile("break");
+}
+
+void
 mips_init(void)
 {
 	int i;