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Diffstat (limited to 'qemu/roms/ipxe/src/arch/i386/core/setjmp.S')
-rw-r--r--qemu/roms/ipxe/src/arch/i386/core/setjmp.S64
1 files changed, 0 insertions, 64 deletions
diff --git a/qemu/roms/ipxe/src/arch/i386/core/setjmp.S b/qemu/roms/ipxe/src/arch/i386/core/setjmp.S
deleted file mode 100644
index 81d3b4911..000000000
--- a/qemu/roms/ipxe/src/arch/i386/core/setjmp.S
+++ /dev/null
@@ -1,64 +0,0 @@
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )
-
- .text
- .arch i386
- .code32
-
- /* Must match jmp_buf structure layout */
- .struct 0
-env_retaddr: .long 0
-env_stack: .long 0
-env_ebx: .long 0
-env_esi: .long 0
-env_edi: .long 0
-env_ebp: .long 0
- .previous
-
-/*
- * Save stack context for non-local goto
- */
- .globl setjmp
-setjmp:
- /* Get jmp_buf pointer in %edx */
- movl 4(%esp),%edx
- /* Save return address */
- movl 0(%esp),%eax
- movl %eax, env_retaddr(%edx)
- /* Save stack pointer */
- movl %esp, env_stack(%edx)
- /* Save other registers */
- movl %ebx, env_ebx(%edx)
- movl %esi, env_esi(%edx)
- movl %edi, env_edi(%edx)
- movl %ebp, env_ebp(%edx)
- /* Return 0 when returning as setjmp() */
- xorl %eax, %eax
- ret
- .size setjmp, . - setjmp
-
-/*
- * Non-local jump to a saved stack context
- */
- .globl longjmp
-longjmp:
- /* Get jmp_buf pointer in %edx */
- movl 4(%esp),%edx
- /* Get result in %eax */
- movl 8(%esp),%eax
- /* Force result to non-zero */
- testl %eax, %eax
- jnz 1f
- incl %eax
-1: /* Restore stack pointer */
- movl env_stack(%edx), %esp
- /* Restore other registers */
- movl env_ebx(%edx), %ebx
- movl env_esi(%edx), %esi
- movl env_edi(%edx), %edi
- movl env_ebp(%edx), %ebp
- /* Replace return address on the new stack */
- popl %ecx /* discard */
- pushl env_retaddr(%edx)
- /* Return to setjmp() caller */
- ret
- .size longjmp, . - longjmp