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-rw-r--r--fs/Kconfig.binfmt2
-rw-r--r--fs/binfmt_elf.c21
-rw-r--r--fs/binfmt_elf_fdpic.c22
-rw-r--r--fs/compat_binfmt_elf.c7
4 files changed, 16 insertions, 36 deletions
diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
index 647439c2c05a..c6f1c8c1934e 100644
--- a/fs/Kconfig.binfmt
+++ b/fs/Kconfig.binfmt
@@ -29,7 +29,7 @@ config BINFMT_ELF
latest version).
config COMPAT_BINFMT_ELF
- bool
+ def_bool y
depends on COMPAT && BINFMT_ELF
select ELFCORE
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 950bc177238a..4c1550b13899 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1495,7 +1495,7 @@ static void fill_note(struct memelfnote *note, const char *name, int type,
* fill up all the fields in prstatus from the given task struct, except
* registers which need to be filled up separately.
*/
-static void fill_prstatus(struct elf_prstatus *prstatus,
+static void fill_prstatus(struct elf_prstatus_common *prstatus,
struct task_struct *p, long signr)
{
prstatus->pr_info.si_signo = prstatus->pr_cursig = signr;
@@ -1717,11 +1717,11 @@ static void do_thread_regset_writeback(struct task_struct *task,
}
#ifndef PRSTATUS_SIZE
-#define PRSTATUS_SIZE(S, R) sizeof(S)
+#define PRSTATUS_SIZE sizeof(struct elf_prstatus)
#endif
#ifndef SET_PR_FPVALID
-#define SET_PR_FPVALID(S, V, R) ((S)->pr_fpvalid = (V))
+#define SET_PR_FPVALID(S) ((S)->pr_fpvalid = 1)
#endif
static int fill_thread_core_info(struct elf_thread_core_info *t,
@@ -1729,7 +1729,6 @@ static int fill_thread_core_info(struct elf_thread_core_info *t,
long signr, size_t *total)
{
unsigned int i;
- int regset0_size;
/*
* NT_PRSTATUS is the one special case, because the regset data
@@ -1737,14 +1736,12 @@ static int fill_thread_core_info(struct elf_thread_core_info *t,
* than being the whole note contents. We fill the reset in here.
* We assume that regset 0 is NT_PRSTATUS.
*/
- fill_prstatus(&t->prstatus, t->task, signr);
- regset0_size = regset_get(t->task, &view->regsets[0],
+ fill_prstatus(&t->prstatus.common, t->task, signr);
+ regset_get(t->task, &view->regsets[0],
sizeof(t->prstatus.pr_reg), &t->prstatus.pr_reg);
- if (regset0_size < 0)
- return 0;
fill_note(&t->notes[0], "CORE", NT_PRSTATUS,
- PRSTATUS_SIZE(t->prstatus, regset0_size), &t->prstatus);
+ PRSTATUS_SIZE, &t->prstatus);
*total += notesize(&t->notes[0]);
do_thread_regset_writeback(t->task, &view->regsets[0]);
@@ -1772,7 +1769,7 @@ static int fill_thread_core_info(struct elf_thread_core_info *t,
continue;
if (is_fpreg)
- SET_PR_FPVALID(&t->prstatus, 1, regset0_size);
+ SET_PR_FPVALID(&t->prstatus);
fill_note(&t->notes[i], is_fpreg ? "CORE" : "LINUX",
note_type, ret, data);
@@ -1961,7 +1958,7 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t)
struct task_struct *p = t->thread;
t->num_notes = 0;
- fill_prstatus(&t->prstatus, p, signr);
+ fill_prstatus(&t->prstatus.common, p, signr);
elf_core_copy_task_regs(p, &t->prstatus.pr_reg);
fill_note(&t->notes[0], "CORE", NT_PRSTATUS, sizeof(t->prstatus),
@@ -2040,7 +2037,7 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
}
/* now collect the dump for the current */
memset(info->prstatus, 0, sizeof(*info->prstatus));
- fill_prstatus(info->prstatus, current, siginfo->si_signo);
+ fill_prstatus(&info->prstatus->common, current, siginfo->si_signo);
elf_core_copy_regs(&info->prstatus->pr_reg, regs);
/* Set up header */
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index be4062b8ba75..03d81a14bcbf 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1191,18 +1191,7 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params,
struct elf_prstatus_fdpic
{
- struct elf_siginfo pr_info; /* Info associated with signal */
- short pr_cursig; /* Current signal */
- unsigned long pr_sigpend; /* Set of pending signals */
- unsigned long pr_sighold; /* Set of held signals */
- pid_t pr_pid;
- pid_t pr_ppid;
- pid_t pr_pgrp;
- pid_t pr_sid;
- struct __kernel_old_timeval pr_utime; /* User time */
- struct __kernel_old_timeval pr_stime; /* System time */
- struct __kernel_old_timeval pr_cutime; /* Cumulative user time */
- struct __kernel_old_timeval pr_cstime; /* Cumulative system time */
+ struct elf_prstatus_common common;
elf_gregset_t pr_reg; /* GP registers */
/* When using FDPIC, the loadmap addresses need to be communicated
* to GDB in order for GDB to do the necessary relocations. The
@@ -1301,7 +1290,7 @@ static inline void fill_note(struct memelfnote *note, const char *name, int type
* fill up all the fields in prstatus from the given task struct, except
* registers which need to be filled up separately.
*/
-static void fill_prstatus(struct elf_prstatus_fdpic *prstatus,
+static void fill_prstatus(struct elf_prstatus_common *prstatus,
struct task_struct *p, long signr)
{
prstatus->pr_info.si_signo = prstatus->pr_cursig = signr;
@@ -1332,9 +1321,6 @@ static void fill_prstatus(struct elf_prstatus_fdpic *prstatus,
}
prstatus->pr_cutime = ns_to_kernel_old_timeval(p->signal->cutime);
prstatus->pr_cstime = ns_to_kernel_old_timeval(p->signal->cstime);
-
- prstatus->pr_exec_fdpic_loadmap = p->mm->context.exec_fdpic_loadmap;
- prstatus->pr_interp_fdpic_loadmap = p->mm->context.interp_fdpic_loadmap;
}
static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
@@ -1405,7 +1391,9 @@ static struct elf_thread_status *elf_dump_thread_status(long signr, struct task_
if (!t)
return t;
- fill_prstatus(&t->prstatus, p, signr);
+ fill_prstatus(&t->prstatus.common, p, signr);
+ t->prstatus.pr_exec_fdpic_loadmap = p->mm->context.exec_fdpic_loadmap;
+ t->prstatus.pr_interp_fdpic_loadmap = p->mm->context.interp_fdpic_loadmap;
regset_get(p, &view->regsets[0],
sizeof(t->prstatus.pr_reg), &t->prstatus.pr_reg);
diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
index 2c557229696a..95e72d271b95 100644
--- a/fs/compat_binfmt_elf.c
+++ b/fs/compat_binfmt_elf.c
@@ -50,6 +50,7 @@
* which requires asm/elf.h to define compat_elf_gregset_t et al.
*/
#define elf_prstatus compat_elf_prstatus
+#define elf_prstatus_common compat_elf_prstatus_common
#define elf_prpsinfo compat_elf_prpsinfo
#undef ns_to_kernel_old_timeval
@@ -61,7 +62,6 @@
* differ from the native ones, or omitted when they match.
*/
-#undef ELF_ARCH
#undef elf_check_arch
#define elf_check_arch compat_elf_check_arch
@@ -90,11 +90,6 @@
#define ELF_ET_DYN_BASE COMPAT_ELF_ET_DYN_BASE
#endif
-#ifdef COMPAT_ELF_EXEC_PAGESIZE
-#undef ELF_EXEC_PAGESIZE
-#define ELF_EXEC_PAGESIZE COMPAT_ELF_EXEC_PAGESIZE
-#endif
-
#ifdef COMPAT_ELF_PLAT_INIT
#undef ELF_PLAT_INIT
#define ELF_PLAT_INIT COMPAT_ELF_PLAT_INIT