vserver 1.9.5.x5

[linux-2.6.git] / include / asm-um / archparam-i386.h

diff --git a/include/asm-um/archparam-i386.h b/include/asm-um/archparam-i386.h
index a23261b..5b5df11 100644 (file)
--- a/include/asm-um/archparam-i386.h
+++ b/include/asm-um/archparam-i386.h
@@ -1,5 +1,5 @@
 /* 
- * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
  * Licensed under the GPL
  */
 
@@ -10,7 +10,8 @@
 
 #include "user.h"
 
-#define ELF_PLATFORM "i586"
+extern char * elf_aux_platform;
+#define ELF_PLATFORM (elf_aux_platform)
 
 #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
 
@@ -56,9 +57,91 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
        pr_reg[16] = PT_REGS_SS(regs);          \
 } while(0);
 
-/********* Bits for asm-um/delay.h **********/
 
-typedef unsigned long um_udelay_t;
+extern unsigned long vsyscall_ehdr;
+extern unsigned long vsyscall_end;
+extern unsigned long __kernel_vsyscall;
+
+#define VSYSCALL_BASE vsyscall_ehdr
+#define VSYSCALL_END vsyscall_end
+
+/*
+ * This is the range that is readable by user mode, and things
+ * acting like user mode such as get_user_pages.
+ */
+#define FIXADDR_USER_START      VSYSCALL_BASE
+#define FIXADDR_USER_END        VSYSCALL_END
+
+/*
+ * Architecture-neutral AT_ values in 0-17, leave some room
+ * for more of them, start the x86-specific ones at 32.
+ */
+#define AT_SYSINFO             32
+#define AT_SYSINFO_EHDR                33
+
+#define ARCH_DLINFO                                            \
+do {                                                           \
+       if ( vsyscall_ehdr ) {                                  \
+               NEW_AUX_ENT(AT_SYSINFO, __kernel_vsyscall);     \
+               NEW_AUX_ENT(AT_SYSINFO_EHDR, vsyscall_ehdr);    \
+       }                                                       \
+} while (0)
+
+/*
+ * These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
+ * extra segments containing the vsyscall DSO contents.  Dumping its
+ * contents makes post-mortem fully interpretable later without matching up
+ * the same kernel and hardware config to see what PC values meant.
+ * Dumping its extra ELF program headers includes all the other information
+ * a debugger needs to easily find how the vsyscall DSO was being used.
+ */
+#define ELF_CORE_EXTRA_PHDRS                                                 \
+       (vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0 )
+
+#define ELF_CORE_WRITE_EXTRA_PHDRS                                           \
+if ( vsyscall_ehdr ) {                                                       \
+       const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr;    \
+       const struct elf_phdr *const phdrp =                                  \
+               (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);   \
+       int i;                                                                \
+       Elf32_Off ofs = 0;                                                    \
+       for (i = 0; i < ehdrp->e_phnum; ++i) {                                \
+               struct elf_phdr phdr = phdrp[i];                              \
+               if (phdr.p_type == PT_LOAD) {                                 \
+                       ofs = phdr.p_offset = offset;                         \
+                       offset += phdr.p_filesz;                              \
+               }                                                             \
+               else                                                          \
+                       phdr.p_offset += ofs;                                 \
+               phdr.p_paddr = 0; /* match other core phdrs */                \
+               DUMP_WRITE(&phdr, sizeof(phdr));                              \
+       }                                                                     \
+}
+#define ELF_CORE_WRITE_EXTRA_DATA                                            \
+if ( vsyscall_ehdr ) {                                                       \
+       const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr;    \
+       const struct elf_phdr *const phdrp =                                  \
+               (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);   \
+       int i;                                                                \
+       for (i = 0; i < ehdrp->e_phnum; ++i) {                                \
+               if (phdrp[i].p_type == PT_LOAD)                               \
+                       DUMP_WRITE((void *) phdrp[i].p_vaddr,                 \
+                                  phdrp[i].p_filesz);                        \
+       }                                                                     \
+}
+
+#define R_386_NONE     0
+#define R_386_32       1
+#define R_386_PC32     2
+#define R_386_GOT32    3
+#define R_386_PLT32    4
+#define R_386_COPY     5
+#define R_386_GLOB_DAT 6
+#define R_386_JMP_SLOT 7
+#define R_386_RELATIVE 8
+#define R_386_GOTOFF   9
+#define R_386_GOTPC    10
+#define R_386_NUM      11
 
 /********* Nothing for asm-um/hardirq.h **********/