Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48c946a482661d8466cd24bae5df749147ff1b1d
Commit: 48c946a482661d8466cd24bae5df749147ff1b1d
Parent: 2ba85f3a58441dda35c62f0bc24e0dc3de432a88
Author: David S. Miller <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 8 00:08:10 2008 -0800
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 00:08:10 2008 -0800
[SPARC64]: Make use of the new fs/compat_binfmt_elf.c
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
arch/sparc64/Kconfig | 8 +--
arch/sparc64/kernel/Makefile | 1 -
arch/sparc64/kernel/binfmt_elf32.c | 136 ------------------------------------
include/asm-sparc64/elf.h | 59 +++++++++++++--
4 files changed, 52 insertions(+), 152 deletions(-)
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index a8c6366..565404d 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -380,13 +380,7 @@ config COMPAT
bool
depends on SPARC32_COMPAT
default y
-
-config BINFMT_ELF32
- bool "Kernel support for 32-bit ELF binaries"
- depends on SPARC32_COMPAT
- help
- This allows you to run 32-bit Linux/ELF binaries on your Ultra.
- Everybody wants this; say Y.
+ select COMPAT_BINFMT_ELF
config BINFMT_AOUT32
bool "Kernel support for 32-bit (ie. SunOS) a.out binaries"
diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile
index 4b78b24..1bf5b18 100644
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@@ -21,7 +21,6 @@ obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o \
obj-$(CONFIG_PCI_MSI) += pci_msi.o
obj-$(CONFIG_SMP) += smp.o trampoline.o hvtramp.o
obj-$(CONFIG_SPARC32_COMPAT) += sys32.o sys_sparc32.o signal32.o
-obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o
obj-$(CONFIG_BINFMT_AOUT32) += binfmt_aout32.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_US3_FREQ) += us3_cpufreq.o
diff --git a/arch/sparc64/kernel/binfmt_elf32.c
b/arch/sparc64/kernel/binfmt_elf32.c
deleted file mode 100644
index d141300..0000000
--- a/arch/sparc64/kernel/binfmt_elf32.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * binfmt_elf32.c: Support 32-bit Sparc ELF binaries on Ultra.
- *
- * Copyright (C) 1995, 1996, 1997, 1998, 2008 David S. Miller ([EMAIL
PROTECTED])
- * Copyright (C) 1995, 1996, 1997, 1998 Jakub Jelinek ([EMAIL PROTECTED])
- */
-
-#define ELF_ARCH EM_SPARC
-#define ELF_CLASS ELFCLASS32
-#define ELF_DATA ELFDATA2MSB;
-
-/* Format is:
- * G0 --> G7
- * O0 --> O7
- * L0 --> L7
- * I0 --> I7
- * PSR, PC, nPC, Y, WIM, TBR
- */
-typedef unsigned int elf_greg_t;
-#define ELF_NGREG 38
-typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-
-typedef struct {
- union {
- unsigned int pr_regs[32];
- unsigned long pr_dregs[16];
- } pr_fr;
- unsigned int __unused;
- unsigned int pr_fsr;
- unsigned char pr_qcnt;
- unsigned char pr_q_entrysize;
- unsigned char pr_en;
- unsigned int pr_q[64];
-} elf_fpregset_t;
-
-/* UltraSparc extensions. Still unused, but will be eventually. */
-typedef struct {
- unsigned int pr_type;
- unsigned int pr_align;
- union {
- struct {
- union {
- unsigned int pr_regs[32];
- unsigned long pr_dregs[16];
- long double pr_qregs[8];
- } pr_xfr;
- } pr_v8p;
- unsigned int pr_xfsr;
- unsigned int pr_fprs;
- unsigned int pr_xg[8];
- unsigned int pr_xo[8];
- unsigned long pr_tstate;
- unsigned int pr_filler[8];
- } pr_un;
-} elf_xregset_t;
-
-#define elf_check_arch(x) (((x)->e_machine == EM_SPARC) ||
((x)->e_machine == EM_SPARC32PLUS))
-
-#define ELF_ET_DYN_BASE 0x70000000
-
-
-#include <asm/processor.h>
-#include <linux/module.h>
-#include <linux/elfcore.h>
-#include <linux/compat.h>
-
-#define elf_prstatus elf_prstatus32
-struct elf_prstatus32
-{
- struct elf_siginfo pr_info; /* Info associated with signal */
- short pr_cursig; /* Current signal */
- unsigned int pr_sigpend; /* Set of pending signals */
- unsigned int pr_sighold; /* Set of held signals */
- pid_t pr_pid;
- pid_t pr_ppid;
- pid_t pr_pgrp;
- pid_t pr_sid;
- struct compat_timeval pr_utime; /* User time */
- struct compat_timeval pr_stime; /* System time */
- struct compat_timeval pr_cutime; /* Cumulative user time */
- struct compat_timeval pr_cstime; /* Cumulative system time */
- elf_gregset_t pr_reg; /* GP registers */
- int pr_fpvalid; /* True if math co-processor being used. */
-};
-
-#define elf_prpsinfo elf_prpsinfo32
-struct elf_prpsinfo32
-{
- char pr_state; /* numeric process state */
- char pr_sname; /* char for pr_state */
- char pr_zomb; /* zombie */
- char pr_nice; /* nice val */
- unsigned int pr_flag; /* flags */
- u16 pr_uid;
- u16 pr_gid;
- pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
- /* Lots missing */
- char pr_fname[16]; /* filename of executable */
- char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
-};
-
-#include <linux/highuid.h>
-
-#undef NEW_TO_OLD_UID
-#undef NEW_TO_OLD_GID
-#define NEW_TO_OLD_UID(uid) ((uid) > 65535) ? (u16)overflowuid : (u16)(uid)
-#define NEW_TO_OLD_GID(gid) ((gid) > 65535) ? (u16)overflowgid : (u16)(gid)
-
-#include <linux/time.h>
-
-#undef cputime_to_timeval
-#define cputime_to_timeval cputime_to_compat_timeval
-static inline void
-cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval
*value)
-{
- unsigned long jiffies = cputime_to_jiffies(cputime);
- value->tv_usec = (jiffies % HZ) * (1000000L / HZ);
- value->tv_sec = jiffies / HZ;
-}
-
-#undef start_thread
-#define start_thread start_thread32
-#define init_elf_binfmt init_elf32_binfmt
-
-MODULE_DESCRIPTION("Binary format loader for compatibility with 32bit
SparcLinux binaries on the Ultra");
-MODULE_AUTHOR("Eric Youngdale, David S. Miller, Jakub Jelinek");
-
-#undef MODULE_DESCRIPTION
-#undef MODULE_AUTHOR
-
-#include <asm/a.out.h>
-
-#undef TASK_SIZE
-#define TASK_SIZE STACK_TOP32
-
-#include "../../../fs/binfmt_elf.c"
diff --git a/include/asm-sparc64/elf.h b/include/asm-sparc64/elf.h
index 272a658..11c8e68 100644
--- a/include/asm-sparc64/elf.h
+++ b/include/asm-sparc64/elf.h
@@ -75,7 +75,6 @@
/*
* These are used to set parameters in the core dumps.
*/
-#ifndef ELF_ARCH
#define ELF_ARCH EM_SPARCV9
#define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2MSB
@@ -100,14 +99,59 @@ typedef struct {
unsigned long pr_gsr;
unsigned long pr_fprs;
} elf_fpregset_t;
-#endif
+
+/* Format of 32-bit elf_gregset_t is:
+ * G0 --> G7
+ * O0 --> O7
+ * L0 --> L7
+ * I0 --> I7
+ * PSR, PC, nPC, Y, WIM, TBR
+ */
+typedef unsigned int compat_elf_greg_t;
+#define COMPAT_ELF_NGREG 38
+typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
+
+typedef struct {
+ union {
+ unsigned int pr_regs[32];
+ unsigned long pr_dregs[16];
+ } pr_fr;
+ unsigned int __unused;
+ unsigned int pr_fsr;
+ unsigned char pr_qcnt;
+ unsigned char pr_q_entrysize;
+ unsigned char pr_en;
+ unsigned int pr_q[64];
+} compat_elf_fpregset_t;
+
+/* UltraSparc extensions. Still unused, but will be eventually. */
+typedef struct {
+ unsigned int pr_type;
+ unsigned int pr_align;
+ union {
+ struct {
+ union {
+ unsigned int pr_regs[32];
+ unsigned long pr_dregs[16];
+ long double pr_qregs[8];
+ } pr_xfr;
+ } pr_v8p;
+ unsigned int pr_xfsr;
+ unsigned int pr_fprs;
+ unsigned int pr_xg[8];
+ unsigned int pr_xo[8];
+ unsigned long pr_tstate;
+ unsigned int pr_filler[8];
+ } pr_un;
+} elf_xregset_t;
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
-#ifndef elf_check_arch
-#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) /* Might be EM_SPARCV9
or EM_SPARC */
-#endif
+#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH)
+#define compat_elf_check_arch(x) ((x)->e_machine == EM_SPARC || \
+ (x)->e_machine == EM_SPARC32PLUS)
+#define compat_start_thread start_thread32
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE PAGE_SIZE
@@ -117,9 +161,8 @@ typedef struct {
the loader. We need to make sure that it is out of the way of the program
that it will "exec", and that there is sufficient room for the brk. */
-#ifndef ELF_ET_DYN_BASE
-#define ELF_ET_DYN_BASE 0x0000010000000000UL
-#endif
+#define ELF_ET_DYN_BASE 0x0000010000000000UL
+#define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL
/* This yields a mask that user programs can use to figure out what
-
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