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-rw-r--r--src/UnwindRegistersSave.S191
1 files changed, 172 insertions, 19 deletions
diff --git a/src/UnwindRegistersSave.S b/src/UnwindRegistersSave.S
index 4860e8f..4583f50 100644
--- a/src/UnwindRegistersSave.S
+++ b/src/UnwindRegistersSave.S
@@ -11,6 +11,8 @@
.text
+#if !defined(__USING_SJLJ_EXCEPTIONS__)
+
#if defined(__i386__)
#
@@ -61,32 +63,171 @@ DEFINE_LIBUNWIND_FUNCTION(unw_getcontext)
# thread_state pointer is in rdi
#
DEFINE_LIBUNWIND_FUNCTION(unw_getcontext)
- movq %rax, (%rdi)
- movq %rbx, 8(%rdi)
- movq %rcx, 16(%rdi)
- movq %rdx, 24(%rdi)
- movq %rdi, 32(%rdi)
- movq %rsi, 40(%rdi)
- movq %rbp, 48(%rdi)
- movq %rsp, 56(%rdi)
- addq $8, 56(%rdi)
- movq %r8, 64(%rdi)
- movq %r9, 72(%rdi)
- movq %r10, 80(%rdi)
- movq %r11, 88(%rdi)
- movq %r12, 96(%rdi)
- movq %r13,104(%rdi)
- movq %r14,112(%rdi)
- movq %r15,120(%rdi)
- movq (%rsp),%rsi
- movq %rsi,128(%rdi) # store return address as rip
+#if defined(_WIN64)
+#define PTR %rcx
+#define TMP %rdx
+#else
+#define PTR %rdi
+#define TMP %rsi
+#endif
+
+ movq %rax, (PTR)
+ movq %rbx, 8(PTR)
+ movq %rcx, 16(PTR)
+ movq %rdx, 24(PTR)
+ movq %rdi, 32(PTR)
+ movq %rsi, 40(PTR)
+ movq %rbp, 48(PTR)
+ movq %rsp, 56(PTR)
+ addq $8, 56(PTR)
+ movq %r8, 64(PTR)
+ movq %r9, 72(PTR)
+ movq %r10, 80(PTR)
+ movq %r11, 88(PTR)
+ movq %r12, 96(PTR)
+ movq %r13,104(PTR)
+ movq %r14,112(PTR)
+ movq %r15,120(PTR)
+ movq (%rsp),TMP
+ movq TMP,128(PTR) # store return address as rip
# skip rflags
# skip cs
# skip fs
# skip gs
+
+#if defined(_WIN64)
+ movdqu %xmm0,176(PTR)
+ movdqu %xmm1,192(PTR)
+ movdqu %xmm2,208(PTR)
+ movdqu %xmm3,224(PTR)
+ movdqu %xmm4,240(PTR)
+ movdqu %xmm5,256(PTR)
+ movdqu %xmm6,272(PTR)
+ movdqu %xmm7,288(PTR)
+ movdqu %xmm8,304(PTR)
+ movdqu %xmm9,320(PTR)
+ movdqu %xmm10,336(PTR)
+ movdqu %xmm11,352(PTR)
+ movdqu %xmm12,368(PTR)
+ movdqu %xmm13,384(PTR)
+ movdqu %xmm14,400(PTR)
+ movdqu %xmm15,416(PTR)
+#endif
xorl %eax, %eax # return UNW_ESUCCESS
ret
+#elif defined(__mips__) && defined(_ABIO32) && defined(__mips_soft_float)
+
+#
+# extern int unw_getcontext(unw_context_t* thread_state)
+#
+# On entry:
+# thread_state pointer is in a0 ($4)
+#
+DEFINE_LIBUNWIND_FUNCTION(unw_getcontext)
+ .set push
+ .set noat
+ .set noreorder
+ .set nomacro
+ sw $1, (4 * 1)($4)
+ sw $2, (4 * 2)($4)
+ sw $3, (4 * 3)($4)
+ sw $4, (4 * 4)($4)
+ sw $5, (4 * 5)($4)
+ sw $6, (4 * 6)($4)
+ sw $7, (4 * 7)($4)
+ sw $8, (4 * 8)($4)
+ sw $9, (4 * 9)($4)
+ sw $10, (4 * 10)($4)
+ sw $11, (4 * 11)($4)
+ sw $12, (4 * 12)($4)
+ sw $13, (4 * 13)($4)
+ sw $14, (4 * 14)($4)
+ sw $15, (4 * 15)($4)
+ sw $16, (4 * 16)($4)
+ sw $17, (4 * 17)($4)
+ sw $18, (4 * 18)($4)
+ sw $19, (4 * 19)($4)
+ sw $20, (4 * 20)($4)
+ sw $21, (4 * 21)($4)
+ sw $22, (4 * 22)($4)
+ sw $23, (4 * 23)($4)
+ sw $24, (4 * 24)($4)
+ sw $25, (4 * 25)($4)
+ sw $26, (4 * 26)($4)
+ sw $27, (4 * 27)($4)
+ sw $28, (4 * 28)($4)
+ sw $29, (4 * 29)($4)
+ sw $30, (4 * 30)($4)
+ sw $31, (4 * 31)($4)
+ # Store return address to pc
+ sw $31, (4 * 32)($4)
+ # hi and lo
+ mfhi $8
+ sw $8, (4 * 33)($4)
+ mflo $8
+ sw $8, (4 * 34)($4)
+ jr $31
+ # return UNW_ESUCCESS
+ or $2, $0, $0
+ .set pop
+
+#elif defined(__mips__) && defined(_ABI64) && defined(__mips_soft_float)
+
+#
+# extern int unw_getcontext(unw_context_t* thread_state)
+#
+# On entry:
+# thread_state pointer is in a0 ($4)
+#
+DEFINE_LIBUNWIND_FUNCTION(unw_getcontext)
+ .set push
+ .set noat
+ .set noreorder
+ .set nomacro
+ sd $1, (8 * 1)($4)
+ sd $2, (8 * 2)($4)
+ sd $3, (8 * 3)($4)
+ sd $4, (8 * 4)($4)
+ sd $5, (8 * 5)($4)
+ sd $6, (8 * 6)($4)
+ sd $7, (8 * 7)($4)
+ sd $8, (8 * 8)($4)
+ sd $9, (8 * 9)($4)
+ sd $10, (8 * 10)($4)
+ sd $11, (8 * 11)($4)
+ sd $12, (8 * 12)($4)
+ sd $13, (8 * 13)($4)
+ sd $14, (8 * 14)($4)
+ sd $15, (8 * 15)($4)
+ sd $16, (8 * 16)($4)
+ sd $17, (8 * 17)($4)
+ sd $18, (8 * 18)($4)
+ sd $19, (8 * 19)($4)
+ sd $20, (8 * 20)($4)
+ sd $21, (8 * 21)($4)
+ sd $22, (8 * 22)($4)
+ sd $23, (8 * 23)($4)
+ sd $24, (8 * 24)($4)
+ sd $25, (8 * 25)($4)
+ sd $26, (8 * 26)($4)
+ sd $27, (8 * 27)($4)
+ sd $28, (8 * 28)($4)
+ sd $29, (8 * 29)($4)
+ sd $30, (8 * 30)($4)
+ sd $31, (8 * 31)($4)
+ # Store return address to pc
+ sd $31, (8 * 32)($4)
+ # hi and lo
+ mfhi $8
+ sd $8, (8 * 33)($4)
+ mflo $8
+ sd $8, (8 * 34)($4)
+ jr $31
+ # return UNW_ESUCCESS
+ or $2, $0, $0
+ .set pop
+
# elif defined(__mips__)
#
@@ -346,7 +487,9 @@ DEFINE_LIBUNWIND_FUNCTION(unw_getcontext)
@ values pointer is in r0
@
.p2align 2
+#if defined(__ELF__)
.fpu vfpv3-d16
+#endif
DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind13Registers_arm16saveVFPWithFSTMDEPy)
vstmia r0, {d0-d15}
JMP(lr)
@@ -358,7 +501,9 @@ DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind13Registers_arm16saveVFPWithFSTMD
@ values pointer is in r0
@
.p2align 2
+#if defined(__ELF__)
.fpu vfpv3-d16
+#endif
DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind13Registers_arm16saveVFPWithFSTMXEPy)
vstmia r0, {d0-d15} @ fstmiax is deprecated in ARMv7+ and now behaves like vstmia
JMP(lr)
@@ -370,7 +515,9 @@ DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind13Registers_arm16saveVFPWithFSTMX
@ values pointer is in r0
@
.p2align 2
+#if defined(__ELF__)
.fpu vfpv3
+#endif
DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind13Registers_arm9saveVFPv3EPy)
@ VFP and iwMMX instructions are only available when compiling with the flags
@ that enable them. We do not want to do that in the library (because we do not
@@ -391,7 +538,9 @@ DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind13Registers_arm9saveVFPv3EPy)
@ values pointer is in r0
@
.p2align 2
+#if defined(__ELF__)
.arch armv5te
+#endif
DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind13Registers_arm9saveiWMMXEPy)
stcl p1, cr0, [r0], #8 @ wstrd wR0, [r0], #8
stcl p1, cr1, [r0], #8 @ wstrd wR1, [r0], #8
@@ -418,7 +567,9 @@ DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind13Registers_arm9saveiWMMXEPy)
@ values pointer is in r0
@
.p2align 2
+#if defined(__ELF__)
.arch armv5te
+#endif
DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind13Registers_arm16saveiWMMXControlEPj)
stc2 p1, cr8, [r0], #4 @ wstrw wCGR0, [r0], #4
stc2 p1, cr9, [r0], #4 @ wstrw wCGR1, [r0], #4
@@ -471,5 +622,7 @@ DEFINE_LIBUNWIND_FUNCTION(unw_getcontext)
l.sw 124(r3), r31
#endif
+#endif /* !defined(__USING_SJLJ_EXCEPTIONS__) */
+
NO_EXEC_STACK_DIRECTIVE