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Delete unused patches

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Signed-off-by: Dave Young <dyoung@redhat.com>
This commit is contained in:
Dave Young 2017-01-04 14:53:39 +08:00
parent abfed0b6d6
commit 55ff20016d
7 changed files with 0 additions and 1984 deletions
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1407
kexec-tools-2.0.13-arm64-Add-arm64-kexec-support.patch
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File diff suppressed because it is too large Load Diff

106
kexec-tools-2.0.13-arm64-Add-support-for-additional-relocations-in-the-kexec-purgatory-code.patch
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@ -1,106 +0,0 @@
From patchwork Thu Oct 20 10:43:31 2016
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: [v2] arm64: Add support for additional relocations in the kexec
purgatory code
From: Catalin Marinas <catalin.marinas@arm.com>
X-Patchwork-Id: 9386541
Message-Id: <1476960211-25594-1-git-send-email-catalin.marinas@arm.com>
To: Simon Horman <horms@verge.net.au>
Cc: Geoff Levand <geoff@infradead.org>, kexec@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Date: Thu, 20 Oct 2016 11:43:31 +0100
When compiling the kexec-tools with gcc6, the following additional
reolcations are generated in the purgatory.ro file:
R_AARCH64_ADR_PREL_PG_HI21
R_AARCH64_ADD_ABS_LO12_NC
R_AARCH64_LDST64_ABS_LO12_NC
This patch modifies the arm64 machine_apply_elf_rel() function to handle
these relocations.
Cc: Geoff Levand <geoff@infradead.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Geoff Levand <geoff@infradead.org>
---
Changes for v2:
- Fixed the type string to drop the "R_AARCH64_" prefix
kexec/arch/arm64/kexec-arm64.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c
index 2e8839a..e067a23 100644
--- a/kexec/arch/arm64/kexec-arm64.c
+++ b/kexec/arch/arm64/kexec-arm64.c
@@ -550,6 +550,14 @@ void machine_apply_elf_rel(struct mem_ehdr *ehdr, struct mem_sym *UNUSED(sym),
# define R_AARCH64_ADR_PREL_LO21 274
#endif
+#if !defined(R_AARCH64_ADR_PREL_PG_HI21)
+# define R_AARCH64_ADR_PREL_PG_HI21 275
+#endif
+
+#if !defined(R_AARCH64_ADD_ABS_LO12_NC)
+# define R_AARCH64_ADD_ABS_LO12_NC 277
+#endif
+
#if !defined(R_AARCH64_JUMP26)
# define R_AARCH64_JUMP26 282
#endif
@@ -558,10 +566,15 @@ void machine_apply_elf_rel(struct mem_ehdr *ehdr, struct mem_sym *UNUSED(sym),
# define R_AARCH64_CALL26 283
#endif
+#if !defined(R_AARCH64_LDST64_ABS_LO12_NC)
+# define R_AARCH64_LDST64_ABS_LO12_NC 286
+#endif
+
uint64_t *loc64;
uint32_t *loc32;
uint64_t *location = (uint64_t *)ptr;
uint64_t data = *location;
+ uint64_t imm;
const char *type = NULL;
switch(r_type) {
@@ -585,6 +598,19 @@ void machine_apply_elf_rel(struct mem_ehdr *ehdr, struct mem_sym *UNUSED(sym),
*loc32 = cpu_to_le32(le32_to_cpu(*loc32)
+ (((value - address) << 3) & 0xffffe0));
break;
+ case R_AARCH64_ADR_PREL_PG_HI21:
+ type = "ADR_PREL_PG_HI21";
+ imm = ((value & ~0xfff) - (address & ~0xfff)) >> 12;
+ loc32 = ptr;
+ *loc32 = cpu_to_le32(le32_to_cpu(*loc32)
+ + ((imm & 3) << 29) + ((imm & 0x1ffffc) << (5 - 2)));
+ break;
+ case R_AARCH64_ADD_ABS_LO12_NC:
+ type = "ADD_ABS_LO12_NC";
+ loc32 = ptr;
+ *loc32 = cpu_to_le32(le32_to_cpu(*loc32)
+ + ((value & 0xfff) << 10));
+ break;
case R_AARCH64_JUMP26:
type = "JUMP26";
loc32 = ptr;
@@ -597,6 +623,15 @@ void machine_apply_elf_rel(struct mem_ehdr *ehdr, struct mem_sym *UNUSED(sym),
*loc32 = cpu_to_le32(le32_to_cpu(*loc32)
+ (((value - address) >> 2) & 0x3ffffff));
break;
+ case R_AARCH64_LDST64_ABS_LO12_NC:
+ if (value & 7)
+ die("%s: ERROR Unaligned value: %lx\n", __func__,
+ value);
+ type = "LDST64_ABS_LO12_NC";
+ loc32 = ptr;
+ *loc32 = cpu_to_le32(le32_to_cpu(*loc32)
+ + ((value & 0xff8) << (10 - 3)));
+ break;
default:
die("%s: ERROR Unknown type: %lu\n", __func__, r_type);
break;

96
kexec-tools-2.0.13-arm64-Add-support-for-binary-image-files.patch
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@ -1,96 +0,0 @@
From abdfe97736f89d9bc73662b9134604b0229a599e Mon Sep 17 00:00:00 2001
From: Pratyush Anand <panand@redhat.com>
Date: Wed, 21 Sep 2016 18:14:25 +0000
Subject: [PATCH 3/3] arm64: Add support for binary image files
Signed-off-by: Pratyush Anand <panand@redhat.com>
[Reworked and cleaned up]
Signed-off-by: Geoff Levand <geoff@infradead.org>
Tested-By: Pratyush Anand <panand@redhat.com>
Tested-By: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
kexec/arch/arm64/kexec-image-arm64.c | 49 ++++++++++++++++++++++++++++++++----
1 file changed, 44 insertions(+), 5 deletions(-)
diff --git a/kexec/arch/arm64/kexec-image-arm64.c b/kexec/arch/arm64/kexec-image-arm64.c
index 42d2ea7..960ed96 100644
--- a/kexec/arch/arm64/kexec-image-arm64.c
+++ b/kexec/arch/arm64/kexec-image-arm64.c
@@ -3,7 +3,9 @@
*/
#define _GNU_SOURCE
+
#include "kexec-arm64.h"
+#include <limits.h>
int image_arm64_probe(const char *kernel_buf, off_t kernel_size)
{
@@ -21,14 +23,53 @@ int image_arm64_probe(const char *kernel_buf, off_t kernel_size)
return -1;
}
- fprintf(stderr, "kexec: ARM64 binary image files are currently NOT SUPPORTED.\n");
- return -1;
+ return 0;
}
int image_arm64_load(int argc, char **argv, const char *kernel_buf,
off_t kernel_size, struct kexec_info *info)
{
- return -1;
+ const struct arm64_image_header *header;
+ unsigned long kernel_segment;
+ int result;
+
+ header = (const struct arm64_image_header *)(kernel_buf);
+
+ if (arm64_process_image_header(header))
+ return -1;
+
+ kernel_segment = arm64_locate_kernel_segment(info);
+
+ if (kernel_segment == ULONG_MAX) {
+ dbgprintf("%s: Kernel segment is not allocated\n", __func__);
+ result = -EFAILED;
+ goto exit;
+ }
+
+ dbgprintf("%s: kernel_segment: %016lx\n", __func__, kernel_segment);
+ dbgprintf("%s: text_offset: %016lx\n", __func__,
+ arm64_mem.text_offset);
+ dbgprintf("%s: image_size: %016lx\n", __func__,
+ arm64_mem.image_size);
+ dbgprintf("%s: phys_offset: %016lx\n", __func__,
+ arm64_mem.phys_offset);
+ dbgprintf("%s: vp_offset: %016lx\n", __func__,
+ arm64_mem.vp_offset);
+ dbgprintf("%s: PE format: %s\n", __func__,
+ (arm64_header_check_pe_sig(header) ? "yes" : "no"));
+
+ /* load the kernel */
+ add_segment_phys_virt(info, kernel_buf, kernel_size,
+ kernel_segment + arm64_mem.text_offset,
+ arm64_mem.image_size, 0);
+
+ result = arm64_load_other_segments(info, kernel_segment
+ + arm64_mem.text_offset);
+
+exit:
+ if (result)
+ fprintf(stderr, "kexec: load failed.\n");
+ return result;
}
void image_arm64_usage(void)
@@ -36,6 +77,4 @@ void image_arm64_usage(void)
printf(
" An ARM64 binary image, compressed or not, big or little endian.\n"
" Typically an Image, Image.gz or Image.lzma file.\n\n");
- printf(
-" ARM64 binary image files are currently NOT SUPPORTED.\n\n");
}
--
2.9.3

42
kexec-tools-2.0.13-arm64-Add-support-of-R_AARCH64_PREL32-relocation-in-.patch
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@ -1,42 +0,0 @@
From 3a3c61cb7f129936e5752d1ccc304c183575a8b0 Mon Sep 17 00:00:00 2001
Message-Id: <3a3c61cb7f129936e5752d1ccc304c183575a8b0.1477402102.git.panand@redhat.com>
From: Pratyush Anand <panand@redhat.com>
Date: Tue, 25 Oct 2016 18:55:49 +0530
Subject: [PATCH] arm64: Add support of R_AARCH64_PREL32 relocation in
purgatory
Signed-off-by: Pratyush Anand <panand@redhat.com>
---
kexec/arch/arm64/kexec-arm64.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c
index 218f0bc832cd..b12de4772412 100644
--- a/kexec/arch/arm64/kexec-arm64.c
+++ b/kexec/arch/arm64/kexec-arm64.c
@@ -720,6 +720,10 @@ void machine_apply_elf_rel(struct mem_ehdr *ehdr, struct mem_sym *UNUSED(sym),
# define R_AARCH64_ABS64 257
#endif
+#if !defined(R_AARCH64_PREL32)
+# define R_AARCH64_PREL32 261
+#endif
+
#if !defined(R_AARCH64_LD_PREL_LO19)
# define R_AARCH64_LD_PREL_LO19 273
#endif
@@ -761,6 +765,11 @@ void machine_apply_elf_rel(struct mem_ehdr *ehdr, struct mem_sym *UNUSED(sym),
loc64 = ptr;
*loc64 = cpu_to_elf64(ehdr, elf64_to_cpu(ehdr, *loc64) + value);
break;
+ case R_AARCH64_PREL32:
+ type = "PREL32";
+ loc32 = ptr;
+ *loc32 = cpu_to_elf32(ehdr, elf32_to_cpu(ehdr, *loc32) + value - address);
+ break;
case R_AARCH64_LD_PREL_LO19:
type = "LD_PREL_LO19";
loc32 = ptr;
--
2.7.4

28
kexec-tools-2.0.13-fix-armv7-build-failure.patch
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@ -1,28 +0,0 @@
Upstream kexec-tools 2.0.13 does not pack arm phys_to_virt.h and iomem.h,
include them here for a temporary fix
diff -uprN kexec-tools/kexec/arch/arm/iomem.h kexec-tools.1/kexec/arch/arm/iomem.h
--- kexec-tools/kexec/arch/arm/iomem.h 1970-01-01 08:00:00.000000000 +0800
+++ kexec-tools.1/kexec/arch/arm/iomem.h 2016-08-09 15:38:26.938594379 +0800
@@ -0,0 +1,9 @@
+#ifndef IOMEM_H
+#define IOMEM_H
+
+#define SYSTEM_RAM "System RAM\n"
+#define SYSTEM_RAM_BOOT "System RAM (boot alias)\n"
+#define CRASH_KERNEL "Crash kernel\n"
+#define CRASH_KERNEL_BOOT "Crash kernel (boot alias)\n"
+
+#endif
diff -uprN kexec-tools/kexec/arch/arm/phys_to_virt.h kexec-tools.1/kexec/arch/arm/phys_to_virt.h
--- kexec-tools/kexec/arch/arm/phys_to_virt.h 1970-01-01 08:00:00.000000000 +0800
+++ kexec-tools.1/kexec/arch/arm/phys_to_virt.h 2016-08-09 14:50:30.104143361 +0800
@@ -0,0 +1,8 @@
+#ifndef PHYS_TO_VIRT_H
+#define PHYS_TO_VIRT_H
+
+#include <stdint.h>
+
+extern uint64_t phys_offset;
+
+#endif

208
kexec-tools-2.0.13-kexec-Add-common-device-tree-routines.patch
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@ -1,208 +0,0 @@
From 217bcc00c9309416a6c6cd0584196559d28a9259 Mon Sep 17 00:00:00 2001
From: Geoff Levand <geoff@infradead.org>
Date: Wed, 21 Sep 2016 18:14:25 +0000
Subject: [PATCH 1/3] kexec: Add common device tree routines
Common device tree routines that can be shared between all arches
that have device tree support.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Tested-By: Pratyush Anand <panand@redhat.com>
Tested-By: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
kexec/Makefile | 4 ++
kexec/dt-ops.c | 145 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
kexec/dt-ops.h | 13 ++++++
3 files changed, 162 insertions(+)
create mode 100644 kexec/dt-ops.c
create mode 100644 kexec/dt-ops.h
diff --git a/kexec/Makefile b/kexec/Makefile
index e2aee84..cc3f08b 100644
--- a/kexec/Makefile
+++ b/kexec/Makefile
@@ -73,6 +73,10 @@ dist += kexec/mem_regions.c kexec/mem_regions.h
$(ARCH)_MEM_REGIONS =
KEXEC_SRCS += $($(ARCH)_MEM_REGIONS)
+dist += kexec/dt-ops.c kexec/dt-ops.h
+$(ARCH)_DT_OPS =
+KEXEC_SRCS += $($(ARCH)_DT_OPS)
+
include $(srcdir)/kexec/arch/alpha/Makefile
include $(srcdir)/kexec/arch/arm/Makefile
include $(srcdir)/kexec/arch/i386/Makefile
diff --git a/kexec/dt-ops.c b/kexec/dt-ops.c
new file mode 100644
index 0000000..915dbf5
--- /dev/null
+++ b/kexec/dt-ops.c
@@ -0,0 +1,145 @@
+#include <assert.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <libfdt.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "kexec.h"
+#include "dt-ops.h"
+
+static const char n_chosen[] = "/chosen";
+
+static const char p_bootargs[] = "bootargs";
+static const char p_initrd_start[] = "linux,initrd-start";
+static const char p_initrd_end[] = "linux,initrd-end";
+
+int dtb_set_initrd(char **dtb, off_t *dtb_size, off_t start, off_t end)
+{
+ int result;
+ uint64_t value;
+
+ dbgprintf("%s: start %jd, end %jd, size %jd (%jd KiB)\n",
+ __func__, (intmax_t)start, (intmax_t)end,
+ (intmax_t)(end - start),
+ (intmax_t)(end - start) / 1024);
+
+ value = cpu_to_fdt64(start);
+
+ result = dtb_set_property(dtb, dtb_size, n_chosen, p_initrd_start,
+ &value, sizeof(value));
+
+ if (result)
+ return result;
+
+ value = cpu_to_fdt64(end);
+
+ result = dtb_set_property(dtb, dtb_size, n_chosen, p_initrd_end,
+ &value, sizeof(value));
+
+ if (result) {
+ dtb_delete_property(*dtb, n_chosen, p_initrd_start);
+ return result;
+ }
+
+ return 0;
+}
+
+int dtb_set_bootargs(char **dtb, off_t *dtb_size, const char *command_line)
+{
+ return dtb_set_property(dtb, dtb_size, n_chosen, p_bootargs,
+ command_line, strlen(command_line) + 1);
+}
+
+int dtb_set_property(char **dtb, off_t *dtb_size, const char *node,
+ const char *prop, const void *value, int value_len)
+{
+ int result;
+ int nodeoffset;
+ void *new_dtb;
+ int new_size;
+
+ value_len = FDT_TAGALIGN(value_len);
+
+ new_size = FDT_TAGALIGN(*dtb_size + fdt_node_len(node)
+ + fdt_prop_len(prop, value_len));
+
+ new_dtb = malloc(new_size);
+
+ if (!new_dtb) {
+ dbgprintf("%s: malloc failed\n", __func__);
+ return -ENOMEM;
+ }
+
+ result = fdt_open_into(*dtb, new_dtb, new_size);
+
+ if (result) {
+ dbgprintf("%s: fdt_open_into failed: %s\n", __func__,
+ fdt_strerror(result));
+ goto on_error;
+ }
+
+ nodeoffset = fdt_path_offset(new_dtb, node);
+
+ if (nodeoffset == -FDT_ERR_NOTFOUND) {
+ result = fdt_add_subnode(new_dtb, nodeoffset, node);
+
+ if (result) {
+ dbgprintf("%s: fdt_add_subnode failed: %s\n", __func__,
+ fdt_strerror(result));
+ goto on_error;
+ }
+ } else if (nodeoffset < 0) {
+ dbgprintf("%s: fdt_path_offset failed: %s\n", __func__,
+ fdt_strerror(nodeoffset));
+ goto on_error;
+ }
+
+ result = fdt_setprop(new_dtb, nodeoffset, prop, value, value_len);
+
+ if (result) {
+ dbgprintf("%s: fdt_setprop failed: %s\n", __func__,
+ fdt_strerror(result));
+ goto on_error;
+ }
+
+ /*
+ * Can't call free on dtb since dtb may have been mmaped by
+ * slurp_file().
+ */
+
+ result = fdt_pack(new_dtb);
+
+ if (result)
+ dbgprintf("%s: Unable to pack device tree: %s\n", __func__,
+ fdt_strerror(result));
+
+ *dtb = new_dtb;
+ *dtb_size = fdt_totalsize(*dtb);
+
+ return 0;
+
+on_error:
+ free(new_dtb);
+ return result;
+}
+
+int dtb_delete_property(char *dtb, const char *node, const char *prop)
+{
+ int result;
+ int nodeoffset = fdt_path_offset(dtb, node);
+
+ if (nodeoffset < 0) {
+ dbgprintf("%s: fdt_path_offset failed: %s\n", __func__,
+ fdt_strerror(nodeoffset));
+ return nodeoffset;
+ }
+
+ result = fdt_delprop(dtb, nodeoffset, prop);
+
+ if (result)
+ dbgprintf("%s: fdt_delprop failed: %s\n", __func__,
+ fdt_strerror(nodeoffset));
+
+ return result;
+}
diff --git a/kexec/dt-ops.h b/kexec/dt-ops.h
new file mode 100644
index 0000000..e70d15d
--- /dev/null
+++ b/kexec/dt-ops.h
@@ -0,0 +1,13 @@
+#if !defined(KEXEC_DT_OPS_H)
+#define KEXEC_DT_OPS_H
+
+#include <sys/types.h>
+
+int dtb_set_initrd(char **dtb, off_t *dtb_size, off_t start, off_t end);
+int dtb_set_bootargs(char **dtb, off_t *dtb_size, const char *command_line);
+int dtb_set_property(char **dtb, off_t *dtb_size, const char *node,
+ const char *prop, const void *value, int value_len);
+
+int dtb_delete_property(char *dtb, const char *node, const char *prop);
+
+#endif
--
2.9.3

97
kexec-tools-2.0.13-kexec-arch-i386-Add-support-for-KASLR-memory-randomi.patch
View File

@ -1,97 +0,0 @@
From 9f62cbddddfc93d78d9aafbddf3e1208cb242f7b Mon Sep 17 00:00:00 2001
From: Thomas Garnier <thgarnie@google.com>
Date: Tue, 13 Sep 2016 15:10:05 +0800
Subject: [PATCH] kexec/arch/i386: Add support for KASLR memory randomization
Multiple changes were made on KASLR (right now in linux-next). One of
them is randomizing the virtual address of the physical mapping, vmalloc
and vmemmap memory sections. It breaks kdump ability to read physical
memory.
This change identifies if KASLR memories randomization is used by
checking if the page_offset_base variable exists. It search for the
correct PAGE_OFFSET value by looking at the loaded memory section and
find the lowest aligned on PUD (the randomization level).
Related commits on linux-next:
- 0483e1fa6e09d4948272680f691dccb1edb9677f: Base for randomization
- 021182e52fe01c1f7b126f97fd6ba048dc4234fd: Enable for PAGE_OFFSET
Signed-off-by: Thomas Garnier <thgarnie@google.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
kexec/arch/i386/crashdump-x86.c | 29 ++++++++++++++++++++++-------
1 file changed, 22 insertions(+), 7 deletions(-)
diff --git a/kexec/arch/i386/crashdump-x86.c b/kexec/arch/i386/crashdump-x86.c
index bbc0f35..ab833d4 100644
--- a/kexec/arch/i386/crashdump-x86.c
+++ b/kexec/arch/i386/crashdump-x86.c
@@ -102,11 +102,10 @@ static int get_kernel_paddr(struct kexec_info *UNUSED(info),
return -1;
}
-/* Retrieve kernel _stext symbol virtual address from /proc/kallsyms */
-static unsigned long long get_kernel_stext_sym(void)
+/* Retrieve kernel symbol virtual address from /proc/kallsyms */
+static unsigned long long get_kernel_sym(const char *symbol)
{
const char *kallsyms = "/proc/kallsyms";
- const char *stext = "_stext";
char sym[128];
char line[128];
FILE *fp;
@@ -122,13 +121,13 @@ static unsigned long long get_kernel_stext_sym(void)
while(fgets(line, sizeof(line), fp) != NULL) {
if (sscanf(line, "%Lx %c %s", &vaddr, &type, sym) != 3)
continue;
- if (strcmp(sym, stext) == 0) {
- dbgprintf("kernel symbol %s vaddr = %16llx\n", stext, vaddr);
+ if (strcmp(sym, symbol) == 0) {
+ dbgprintf("kernel symbol %s vaddr = %16llx\n", symbol, vaddr);
return vaddr;
}
}
- fprintf(stderr, "Cannot get kernel %s symbol address\n", stext);
+ fprintf(stderr, "Cannot get kernel %s symbol address\n", symbol);
return 0;
}
@@ -151,6 +150,8 @@ static int get_kernel_vaddr_and_size(struct kexec_info *UNUSED(info),
off_t size;
uint32_t elf_flags = 0;
uint64_t stext_sym;
+ const unsigned long long pud_mask = ~((1 << 30) - 1);
+ unsigned long long vaddr, lowest_vaddr = 0;
if (elf_info->machine != EM_X86_64)
return 0;
@@ -180,9 +181,23 @@ static int get_kernel_vaddr_and_size(struct kexec_info *UNUSED(info),
end_phdr = &ehdr.e_phdr[ehdr.e_phnum];
+ /* Search for the real PAGE_OFFSET when KASLR memory randomization
+ * is enabled */
+ if (get_kernel_sym("page_offset_base") != 0) {
+ for(phdr = ehdr.e_phdr; phdr != end_phdr; phdr++) {
+ if (phdr->p_type == PT_LOAD) {
+ vaddr = phdr->p_vaddr & pud_mask;
+ if (lowest_vaddr == 0 || lowest_vaddr > vaddr)
+ lowest_vaddr = vaddr;
+ }
+ }
+ if (lowest_vaddr != 0)
+ elf_info->page_offset = lowest_vaddr;
+ }
+
/* Traverse through the Elf headers and find the region where
* _stext symbol is located in. That's where kernel is mapped */
- stext_sym = get_kernel_stext_sym();
+ stext_sym = get_kernel_sym("_stext");
for(phdr = ehdr.e_phdr; stext_sym && phdr != end_phdr; phdr++) {
if (phdr->p_type == PT_LOAD) {
unsigned long long saddr = phdr->p_vaddr;
--
2.10.1