Changeset 6677acb in mainline for kernel/arch/arm64/_link.ld.in

Timestamp:

2024-01-14T15:09:08Z (5 months ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

master

Children:

3b68542

Parents:

5907aa4

Message:

Emit .text/.data/.eh_frame sections in kernel ELF files

Gives tools like objdump an easier time interpreting contents of
the file, and allows kernel to find .eh_frame_hdr since the linker
emits a program header for it when it's present under the standard
name.

File:

• kernel/arch/arm64/_link.ld.in (modified) (2 diffs)

kernel/arch/arm64/_link.ld.in

@@ -19 +19 @@
         kernel_load_address = LOAD_ADDRESS_V;
 
-        .image (LOAD_ADDRESS_V + SIZEOF_HEADERS) : AT (LOAD_ADDRESS_P + SIZEOF_HEADERS) {
+        .text (LOAD_ADDRESS_V + SIZEOF_HEADERS) : AT (LOAD_ADDRESS_P + SIZEOF_HEADERS) {
                 . = ALIGN(16);
                 ktext_start = .;
@@ -25 +25 @@
                 *(.text .text.*);
                 ktext_end = .;
+        }
 
+        /* stack unwinding data */
+        .eh_frame_hdr : {
+                eh_frame_hdr_start = .;
+                *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*);
+                eh_frame_hdr_end = .;
+        }
+
+        .eh_frame : {
+                eh_frame_start = .;
+                KEEP(*(.eh_frame .eh_frame.*));
+                eh_frame_end = .;
+        }
+
+        .data : {
                 kdata_start = .;
                 KEEP(*(K_DATA_START))
+                *(.rodata .rodata.*);
                 *(.data .data.*);                       /* initialized data */
                 *(.bss .bss.*);                        /* uninitialized static variables */
                 *(COMMON);                      /* global variables */
-
-                *(.rodata .rodata.*);
-                *(.eh_frame .eh_frame.*);       /* stack unwinding data */
-                *(.eh_frame_hdr .eh_frame_hdr.*);
-
                 kdata_end = .;
         }