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ANDROID: KVM: arm64: Make gen-hyprel emit delimiters

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The start and end pointers of the hyp relocs section are currently
specified in the vmlinux linker script. In order to ease re-using the
same relocation procedure for hypervisor modules, emit the delimiters
from the generated hyp-reloc.S file directly.

Bug: 244543039
Bug: 244373730
Change-Id: I845af2d40e1dd13301069537c6325f6a6f381ce4
Signed-off-by: Quentin Perret <qperret@google.com>
This commit is contained in:
Quentin Perret
2022-09-19 15:10:31 +00:00
parent a8d5d29e85
commit f347aa8c3d
1 changed files with 6 additions and 3 deletions
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9
arch/arm64/tools/gen-hyprel.c
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@@ -296,8 +296,10 @@ static void init_elf(const char *path)
/* Print the prologue of the output ASM file. */
static void emit_prologue(void)
{
printf(".data\n"
".pushsection " HYP_RELOC_SECTION ", \"a\"\n");
printf("#include <linux/linkage.h>\n"
".data\n"
".pushsection " HYP_RELOC_SECTION ", \"a\"\n"
"SYM_ENTRY(__hyprel_start, SYM_L_GLOBAL, SYM_A_NONE)\n");
}
/* Print ASM statements needed as a prologue to a processed hyp section. */
@@ -347,7 +349,8 @@ static void emit_rela_abs64(Elf64_Rela *rela, const char *sh_orig_name)
/* Print the epilogue of the output ASM file. */
static void emit_epilogue(void)
{
printf(".popsection\n");
printf("SYM_ENTRY(__hyprel_end, SYM_L_GLOBAL, SYM_A_NONE)\n"
".popsection\n");
}
/*