From: Willy Tarreau w@1wt.eu
[ Upstream commit dffeb81af5fe5eedccf5ea4a8a120d8c3accd26e ]
By doing so we can link together multiple C files that have been compiled with nolibc and which each have a _start symbol.
Signed-off-by: Willy Tarreau w@1wt.eu Signed-off-by: Paul E. McKenney paulmck@kernel.org Stable-dep-of: 184177c3d6e0 ("tools/nolibc: restore mips branch ordering in the _start block") Signed-off-by: Sasha Levin sashal@kernel.org --- tools/include/nolibc/arch-aarch64.h | 1 + tools/include/nolibc/arch-arm.h | 1 + tools/include/nolibc/arch-i386.h | 1 + tools/include/nolibc/arch-mips.h | 1 + tools/include/nolibc/arch-riscv.h | 1 + tools/include/nolibc/arch-x86_64.h | 1 + 6 files changed, 6 insertions(+)
diff --git a/tools/include/nolibc/arch-aarch64.h b/tools/include/nolibc/arch-aarch64.h index 443de5fb7f54..87d9e434820c 100644 --- a/tools/include/nolibc/arch-aarch64.h +++ b/tools/include/nolibc/arch-aarch64.h @@ -183,6 +183,7 @@ struct sys_stat_struct {
/* startup code */ asm(".section .text\n" + ".weak _start\n" ".global _start\n" "_start:\n" "ldr x0, [sp]\n" // argc (x0) was in the stack diff --git a/tools/include/nolibc/arch-arm.h b/tools/include/nolibc/arch-arm.h index 66f687ad987f..001a3c8c9ad5 100644 --- a/tools/include/nolibc/arch-arm.h +++ b/tools/include/nolibc/arch-arm.h @@ -176,6 +176,7 @@ struct sys_stat_struct {
/* startup code */ asm(".section .text\n" + ".weak _start\n" ".global _start\n" "_start:\n" #if defined(__THUMBEB__) || defined(__THUMBEL__) diff --git a/tools/include/nolibc/arch-i386.h b/tools/include/nolibc/arch-i386.h index 32f42e2cee26..d7e4d53325a3 100644 --- a/tools/include/nolibc/arch-i386.h +++ b/tools/include/nolibc/arch-i386.h @@ -175,6 +175,7 @@ struct sys_stat_struct { * */ asm(".section .text\n" + ".weak _start\n" ".global _start\n" "_start:\n" "pop %eax\n" // argc (first arg, %eax) diff --git a/tools/include/nolibc/arch-mips.h b/tools/include/nolibc/arch-mips.h index e330201dde6a..c9a6aac87c6d 100644 --- a/tools/include/nolibc/arch-mips.h +++ b/tools/include/nolibc/arch-mips.h @@ -190,6 +190,7 @@ struct sys_stat_struct {
/* startup code, note that it's called __start on MIPS */ asm(".section .text\n" + ".weak __start\n" ".set nomips16\n" ".global __start\n" ".set noreorder\n" diff --git a/tools/include/nolibc/arch-riscv.h b/tools/include/nolibc/arch-riscv.h index 9d5ff78f606b..bc10b7b5706d 100644 --- a/tools/include/nolibc/arch-riscv.h +++ b/tools/include/nolibc/arch-riscv.h @@ -184,6 +184,7 @@ struct sys_stat_struct {
/* startup code */ asm(".section .text\n" + ".weak _start\n" ".global _start\n" "_start:\n" ".option push\n" diff --git a/tools/include/nolibc/arch-x86_64.h b/tools/include/nolibc/arch-x86_64.h index 83c4b458ada7..fe517c16cd4d 100644 --- a/tools/include/nolibc/arch-x86_64.h +++ b/tools/include/nolibc/arch-x86_64.h @@ -198,6 +198,7 @@ struct sys_stat_struct { * */ asm(".section .text\n" + ".weak _start\n" ".global _start\n" "_start:\n" "pop %rdi\n" // argc (first arg, %rdi)