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109 lines
4.1 KiB
Diff
109 lines
4.1 KiB
Diff
From e30de94926ec5250d7a0a091aef38b9071c97f6a Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Wed, 21 Feb 2018 15:20:26 -0500
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Subject: [PATCH] mkimage: make locate_sections() set up vaddresses as well.
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This puts both kinds of address initialization at the same place, and also lets
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us iterate through the section list one time fewer.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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util/grub-mkimagexx.c | 49 ++++++++++++++++++++++++-------------------------
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1 file changed, 24 insertions(+), 25 deletions(-)
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diff --git a/util/grub-mkimagexx.c b/util/grub-mkimagexx.c
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index 85753448ee1..851339becd5 100644
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--- a/util/grub-mkimagexx.c
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+++ b/util/grub-mkimagexx.c
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@@ -1784,18 +1784,19 @@ SUFFIX (put_section) (Elf_Shdr *s, int i,
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return current_address;
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}
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-/* Locate section addresses by merging code sections and data sections
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- into .text and .data, respectively. Return the array of section
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- addresses. */
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-static Elf_Addr *
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+/*
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+ * Locate section addresses by merging code sections and data sections
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+ * into .text and .data, respectively.
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+ */
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+static void
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SUFFIX (locate_sections) (Elf_Ehdr *e, const char *kernel_path,
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Elf_Shdr *sections, Elf_Half section_entsize,
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- Elf_Half num_sections, const char *strtab,
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+ Elf_Half num_sections, Elf_Addr *section_addresses,
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+ Elf_Addr *section_vaddresses, const char *strtab,
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struct grub_mkimage_layout *layout,
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const struct grub_install_image_target_desc *image_target)
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{
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int i;
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- Elf_Addr *section_addresses;
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Elf_Shdr *s;
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layout->align = 1;
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@@ -1803,8 +1804,6 @@ SUFFIX (locate_sections) (Elf_Ehdr *e, const char *kernel_path,
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if (image_target->elf_target == EM_AARCH64)
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layout->align = 4096;
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- section_addresses = xmalloc (sizeof (*section_addresses) * num_sections);
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- memset (section_addresses, 0, sizeof (*section_addresses) * num_sections);
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layout->kernel_size = 0;
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@@ -1880,12 +1879,16 @@ SUFFIX (locate_sections) (Elf_Ehdr *e, const char *kernel_path,
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for (i = 0, s = sections;
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i < num_sections;
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i++, s = (Elf_Shdr *) ((char *) s + section_entsize))
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- if (SUFFIX (is_bss_section) (s, image_target))
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- layout->end = SUFFIX (put_section) (s, i,
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- layout->end,
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- section_addresses,
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- strtab,
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- image_target);
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+ {
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+ if (SUFFIX (is_bss_section) (s, image_target))
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+ layout->end = SUFFIX (put_section) (s, i, layout->end,
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+ section_addresses, strtab,
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+ image_target);
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+ /*
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+ * This must to be in the last time this function passes through the loop.
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+ */
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+ section_vaddresses[i] = section_addresses[i] + image_target->vaddr_offset;
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+ }
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layout->end = ALIGN_UP (layout->end + image_target->vaddr_offset,
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image_target->section_align) - image_target->vaddr_offset;
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@@ -1896,8 +1899,6 @@ SUFFIX (locate_sections) (Elf_Ehdr *e, const char *kernel_path,
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*/
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if (image_target->id == IMAGE_EFI || !is_relocatable (image_target))
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layout->kernel_size = layout->end;
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-
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- return section_addresses;
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}
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char *
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@@ -1946,16 +1947,14 @@ SUFFIX (grub_mkimage_load_image) (const char *kernel_path,
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+ grub_host_to_target16 (e->e_shstrndx) * section_entsize);
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strtab = (char *) e + grub_host_to_target_addr (s->sh_offset);
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- section_addresses = SUFFIX (locate_sections) (e, kernel_path,
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- sections, section_entsize,
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- num_sections, strtab,
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- layout,
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- image_target);
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+ section_addresses = xmalloc (sizeof (*section_addresses) * num_sections);
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+ memset (section_addresses, 0, sizeof (*section_addresses) * num_sections);
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+ section_vaddresses = xmalloc (sizeof (*section_vaddresses) * num_sections);
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+ memset (section_vaddresses, 0, sizeof (*section_vaddresses) * num_sections);
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- section_vaddresses = xmalloc (sizeof (*section_addresses) * num_sections);
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-
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- for (i = 0; i < num_sections; i++)
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- section_vaddresses[i] = section_addresses[i] + image_target->vaddr_offset;
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+ SUFFIX (locate_sections) (e, kernel_path, sections, section_entsize, num_sections,
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+ section_addresses, section_vaddresses, strtab, layout,
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+ image_target);
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if (!is_relocatable (image_target))
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{
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