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| author |   Gerald Schaefer <gerald.schaefer@de.ibm.com> | 2019-02-03 21:35:45 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-04-29 10:47:10 +0200 |
| commit | 805bc0bc238f7209fca5e39c152b0d3c12046ac9 (patch) | |
| tree | 97edfcee4981bc71c2e6a9dc853353010ac4fa94 /arch/s390/kernel/vmlinux.lds.S | |
| parent | s390: enable processes for mio instructions (diff) | |
| download | linux-dev-805bc0bc238f7209fca5e39c152b0d3c12046ac9.tar.xz linux-dev-805bc0bc238f7209fca5e39c152b0d3c12046ac9.zip | |
s390/kernel: build a relocatable kernel
This patch adds support for building a relocatable kernel with -fPIE.
The kernel will be relocated to 0 early in the boot process.
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Reviewed-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/s390/kernel/vmlinux.lds.S | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 6ef9c62bb01b..49d55327de0b 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -144,6 +144,18 @@ SECTIONS INIT_DATA_SECTION(0x100) PERCPU_SECTION(0x100) + + .dynsym ALIGN(8) : { + __dynsym_start = .; + *(.dynsym) + __dynsym_end = .; + } + .rela.dyn ALIGN(8) : { + __rela_dyn_start = .; + *(.rela*) + __rela_dyn_end = .; + } + . = ALIGN(PAGE_SIZE); __init_end = .; /* freed after init ends here */ @@ -165,6 +177,9 @@ SECTIONS QUAD(__boot_data_preserved_start) /* bootdata_preserved_off */ QUAD(__boot_data_preserved_end - __boot_data_preserved_start) /* bootdata_preserved_size */ + QUAD(__dynsym_start) /* dynsym_start */ + QUAD(__rela_dyn_start) /* rela_dyn_start */ + QUAD(__rela_dyn_end) /* rela_dyn_end */ } :NONE /* Debugging sections. */ |