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openwrt/package/libs/libunwind/patches/004-ppc-musl.patch
Matthias Schiffer 05dba65569
libunwind: fix build with musl on PPC 
Works around two incompatiblities between glibc and (POSIX-compliant) musl:

- missing register definitions from asm/ptrace.h
- non-POSIX-compliant ucontext_t on PPC32 with glibc

Compile tested on mpc85xx.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-02-25 16:58:10 +01:00

384 lines
18 KiB
Diff
Raw Blame History

--- a/include/libunwind-ppc32.h
+++ b/include/libunwind-ppc32.h
@@ -74,6 +74,88 @@ typedef int64_t unw_sword_t;
typedef long double unw_tdep_fpreg_t;
+#ifndef __GLIBC__
+
+/* We can't include asm/ptrace.h here, as it conflicts with musl's definitions */
+
+#define PT_R0 0
+#define PT_R1 1
+#define PT_R2 2
+#define PT_R3 3
+#define PT_R4 4
+#define PT_R5 5
+#define PT_R6 6
+#define PT_R7 7
+#define PT_R8 8
+#define PT_R9 9
+#define PT_R10 10
+#define PT_R11 11
+#define PT_R12 12
+#define PT_R13 13
+#define PT_R14 14
+#define PT_R15 15
+#define PT_R16 16
+#define PT_R17 17
+#define PT_R18 18
+#define PT_R19 19
+#define PT_R20 20
+#define PT_R21 21
+#define PT_R22 22
+#define PT_R23 23
+#define PT_R24 24
+#define PT_R25 25
+#define PT_R26 26
+#define PT_R27 27
+#define PT_R28 28
+#define PT_R29 29
+#define PT_R30 30
+#define PT_R31 31
+
+#define PT_NIP 32
+#define PT_MSR 33
+#define PT_ORIG_R3 34
+#define PT_CTR 35
+#define PT_LNK 36
+#define PT_XER 37
+#define PT_CCR 38
+#ifndef __powerpc64__
+#define PT_MQ 39
+#else
+#define PT_SOFTE 39
+#endif
+#define PT_TRAP 40
+#define PT_DAR 41
+#define PT_DSISR 42
+#define PT_RESULT 43
+#define PT_DSCR 44
+#define PT_REGS_COUNT 44
+
+#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
+
+#ifndef __powerpc64__
+
+#define PT_FPR31 (PT_FPR0 + 2*31)
+#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
+
+#else /* __powerpc64__ */
+
+#define PT_FPSCR (PT_FPR0 + 32) /* each FP reg occupies 1 slot in 64-bit space */
+
+
+#define PT_VR0 82 /* each Vector reg occupies 2 slots in 64-bit */
+#define PT_VSCR (PT_VR0 + 32*2 + 1)
+#define PT_VRSAVE (PT_VR0 + 33*2)
+
+
+/*
+ * Only store first 32 VSRs here. The second 32 VSRs in VR0-31
+ */
+#define PT_VSR0 150 /* each VSR reg occupies 2 slots in 64-bit */
+#define PT_VSR31 (PT_VSR0 + 2*31)
+#endif /* __powerpc64__ */
+
+#endif /* !__GLIBC__ */
+
typedef enum
{
UNW_PPC32_R0,
--- a/include/libunwind-ppc64.h
+++ b/include/libunwind-ppc64.h
@@ -81,6 +81,88 @@ typedef struct {
uint64_t halves[2];
} unw_tdep_vreg_t;
+#ifndef __GLIBC__
+
+/* We can't include asm/ptrace.h here, as it conflicts with musl's definitions */
+
+#define PT_R0 0
+#define PT_R1 1
+#define PT_R2 2
+#define PT_R3 3
+#define PT_R4 4
+#define PT_R5 5
+#define PT_R6 6
+#define PT_R7 7
+#define PT_R8 8
+#define PT_R9 9
+#define PT_R10 10
+#define PT_R11 11
+#define PT_R12 12
+#define PT_R13 13
+#define PT_R14 14
+#define PT_R15 15
+#define PT_R16 16
+#define PT_R17 17
+#define PT_R18 18
+#define PT_R19 19
+#define PT_R20 20
+#define PT_R21 21
+#define PT_R22 22
+#define PT_R23 23
+#define PT_R24 24
+#define PT_R25 25
+#define PT_R26 26
+#define PT_R27 27
+#define PT_R28 28
+#define PT_R29 29
+#define PT_R30 30
+#define PT_R31 31
+
+#define PT_NIP 32
+#define PT_MSR 33
+#define PT_ORIG_R3 34
+#define PT_CTR 35
+#define PT_LNK 36
+#define PT_XER 37
+#define PT_CCR 38
+#ifndef __powerpc64__
+#define PT_MQ 39
+#else
+#define PT_SOFTE 39
+#endif
+#define PT_TRAP 40
+#define PT_DAR 41
+#define PT_DSISR 42
+#define PT_RESULT 43
+#define PT_DSCR 44
+#define PT_REGS_COUNT 44
+
+#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
+
+#ifndef __powerpc64__
+
+#define PT_FPR31 (PT_FPR0 + 2*31)
+#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
+
+#else /* __powerpc64__ */
+
+#define PT_FPSCR (PT_FPR0 + 32) /* each FP reg occupies 1 slot in 64-bit space */
+
+
+#define PT_VR0 82 /* each Vector reg occupies 2 slots in 64-bit */
+#define PT_VSCR (PT_VR0 + 32*2 + 1)
+#define PT_VRSAVE (PT_VR0 + 33*2)
+
+
+/*
+ * Only store first 32 VSRs here. The second 32 VSRs in VR0-31
+ */
+#define PT_VSR0 150 /* each VSR reg occupies 2 slots in 64-bit */
+#define PT_VSR31 (PT_VSR0 + 2*31)
+#endif /* __powerpc64__ */
+
+#endif /* !__GLIBC__ */
+
typedef enum
{
UNW_PPC64_R0,
--- a/src/ppc32/Ginit.c
+++ b/src/ppc32/Ginit.c
@@ -46,14 +46,19 @@ static void *
uc_addr (ucontext_t *uc, int reg)
{
void *addr;
+#ifdef __GLIBC__
+ mcontext_t *mc = uc->uc_mcontext.uc_regs;
+#else
+ mcontext_t *mc = &uc->uc_mcontext;
+#endif
if ((unsigned) (reg - UNW_PPC32_R0) < 32)
- addr = &uc->uc_mcontext.uc_regs->gregs[reg - UNW_PPC32_R0];
+ addr = &mc->gregs[reg - UNW_PPC32_R0];
else
if ( ((unsigned) (reg - UNW_PPC32_F0) < 32) &&
((unsigned) (reg - UNW_PPC32_F0) >= 0) )
- addr = &uc->uc_mcontext.uc_regs->fpregs.fpregs[reg - UNW_PPC32_F0];
+ addr = &mc->fpregs.fpregs[reg - UNW_PPC32_F0];
else
{
@@ -76,7 +81,7 @@ uc_addr (ucontext_t *uc, int reg)
default:
return NULL;
}
- addr = &uc->uc_mcontext.uc_regs->gregs[gregs_idx];
+ addr = &mc->gregs[gregs_idx];
}
return addr;
}
--- a/src/ppc32/ucontext_i.h
+++ b/src/ppc32/ucontext_i.h
@@ -46,83 +46,89 @@ WITH THE SOFTWARE OR THE USE OR OTHER DE
various structure members. */
static ucontext_t dmy_ctxt UNUSED;
-#define UC_MCONTEXT_GREGS_R0 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[0] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R1 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[1] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R2 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[2] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R3 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[3] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R4 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[4] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R5 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[5] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R6 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[6] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R7 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[7] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R8 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[8] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R9 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[9] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R10 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[10] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R11 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[11] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R12 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[12] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R13 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[13] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R14 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[14] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R15 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[15] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R16 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[16] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R17 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[17] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R18 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[18] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R19 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[19] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R20 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[20] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R21 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[21] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R22 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[22] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R23 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[23] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R24 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[24] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R25 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[25] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R26 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[26] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R27 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[27] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R28 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[28] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R29 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[29] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R30 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[30] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_R31 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[31] - (void *)&dmy_ctxt)
+#ifdef __GLIBC__
+#define UC_MCONTEXT_OFFSET(field) ((void *)&dmy_ctxt.uc_mcontext.uc_regs->field - (void *)&dmy_ctxt)
+#else
+#define UC_MCONTEXT_OFFSET(field) ((void *)&dmy_ctxt.uc_mcontext.field - (void *)&dmy_ctxt)
+#endif
+
+#define UC_MCONTEXT_GREGS_R0 UC_MCONTEXT_OFFSET(gregs[0])
+#define UC_MCONTEXT_GREGS_R1 UC_MCONTEXT_OFFSET(gregs[1])
+#define UC_MCONTEXT_GREGS_R2 UC_MCONTEXT_OFFSET(gregs[2])
+#define UC_MCONTEXT_GREGS_R3 UC_MCONTEXT_OFFSET(gregs[3])
+#define UC_MCONTEXT_GREGS_R4 UC_MCONTEXT_OFFSET(gregs[4])
+#define UC_MCONTEXT_GREGS_R5 UC_MCONTEXT_OFFSET(gregs[5])
+#define UC_MCONTEXT_GREGS_R6 UC_MCONTEXT_OFFSET(gregs[6])
+#define UC_MCONTEXT_GREGS_R7 UC_MCONTEXT_OFFSET(gregs[7])
+#define UC_MCONTEXT_GREGS_R8 UC_MCONTEXT_OFFSET(gregs[8])
+#define UC_MCONTEXT_GREGS_R9 UC_MCONTEXT_OFFSET(gregs[9])
+#define UC_MCONTEXT_GREGS_R10 UC_MCONTEXT_OFFSET(gregs[10])
+#define UC_MCONTEXT_GREGS_R11 UC_MCONTEXT_OFFSET(gregs[11])
+#define UC_MCONTEXT_GREGS_R12 UC_MCONTEXT_OFFSET(gregs[12])
+#define UC_MCONTEXT_GREGS_R13 UC_MCONTEXT_OFFSET(gregs[13])
+#define UC_MCONTEXT_GREGS_R14 UC_MCONTEXT_OFFSET(gregs[14])
+#define UC_MCONTEXT_GREGS_R15 UC_MCONTEXT_OFFSET(gregs[15])
+#define UC_MCONTEXT_GREGS_R16 UC_MCONTEXT_OFFSET(gregs[16])
+#define UC_MCONTEXT_GREGS_R17 UC_MCONTEXT_OFFSET(gregs[17])
+#define UC_MCONTEXT_GREGS_R18 UC_MCONTEXT_OFFSET(gregs[18])
+#define UC_MCONTEXT_GREGS_R19 UC_MCONTEXT_OFFSET(gregs[19])
+#define UC_MCONTEXT_GREGS_R20 UC_MCONTEXT_OFFSET(gregs[20])
+#define UC_MCONTEXT_GREGS_R21 UC_MCONTEXT_OFFSET(gregs[21])
+#define UC_MCONTEXT_GREGS_R22 UC_MCONTEXT_OFFSET(gregs[22])
+#define UC_MCONTEXT_GREGS_R23 UC_MCONTEXT_OFFSET(gregs[23])
+#define UC_MCONTEXT_GREGS_R24 UC_MCONTEXT_OFFSET(gregs[24])
+#define UC_MCONTEXT_GREGS_R25 UC_MCONTEXT_OFFSET(gregs[25])
+#define UC_MCONTEXT_GREGS_R26 UC_MCONTEXT_OFFSET(gregs[26])
+#define UC_MCONTEXT_GREGS_R27 UC_MCONTEXT_OFFSET(gregs[27])
+#define UC_MCONTEXT_GREGS_R28 UC_MCONTEXT_OFFSET(gregs[28])
+#define UC_MCONTEXT_GREGS_R29 UC_MCONTEXT_OFFSET(gregs[29])
+#define UC_MCONTEXT_GREGS_R30 UC_MCONTEXT_OFFSET(gregs[30])
+#define UC_MCONTEXT_GREGS_R31 UC_MCONTEXT_OFFSET(gregs[31])
-#define UC_MCONTEXT_GREGS_MSR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[MSR_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_ORIG_GPR3 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[ORIG_GPR3_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_CTR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[CTR_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_LINK ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[LINK_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_XER ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[XER_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_CCR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[CCR_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_SOFTE ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[SOFTE_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_TRAP ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[TRAP_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_DAR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[DAR_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_DSISR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[DSISR_IDX] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_GREGS_RESULT ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[RESULT_IDX] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_GREGS_MSR UC_MCONTEXT_OFFSET(gregs[MSR_IDX])
+#define UC_MCONTEXT_GREGS_ORIG_GPR3 UC_MCONTEXT_OFFSET(gregs[ORIG_GPR3_IDX])
+#define UC_MCONTEXT_GREGS_CTR UC_MCONTEXT_OFFSET(gregs[CTR_IDX])
+#define UC_MCONTEXT_GREGS_LINK UC_MCONTEXT_OFFSET(gregs[LINK_IDX])
+#define UC_MCONTEXT_GREGS_XER UC_MCONTEXT_OFFSET(gregs[XER_IDX])
+#define UC_MCONTEXT_GREGS_CCR UC_MCONTEXT_OFFSET(gregs[CCR_IDX])
+#define UC_MCONTEXT_GREGS_SOFTE UC_MCONTEXT_OFFSET(gregs[SOFTE_IDX])
+#define UC_MCONTEXT_GREGS_TRAP UC_MCONTEXT_OFFSET(gregs[TRAP_IDX])
+#define UC_MCONTEXT_GREGS_DAR UC_MCONTEXT_OFFSET(gregs[DAR_IDX])
+#define UC_MCONTEXT_GREGS_DSISR UC_MCONTEXT_OFFSET(gregs[DSISR_IDX])
+#define UC_MCONTEXT_GREGS_RESULT UC_MCONTEXT_OFFSET(gregs[RESULT_IDX])
-#define UC_MCONTEXT_FREGS_R0 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[0] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R1 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[1] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R2 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[2] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R3 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[3] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R4 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[4] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R5 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[5] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R6 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[6] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R7 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[7] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R8 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[8] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R9 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[9] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R10 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[10] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R11 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[11] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R12 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[12] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R13 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[13] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R14 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[14] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R15 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[15] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R16 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[16] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R17 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[17] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R18 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[18] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R19 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[19] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R20 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[20] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R21 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[21] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R22 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[22] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R23 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[23] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R24 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[24] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R25 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[25] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R26 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[26] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R27 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[27] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R28 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[28] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R29 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[29] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R30 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[30] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_R31 ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[31] - (void *)&dmy_ctxt)
-#define UC_MCONTEXT_FREGS_FPSCR ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[32] - (void *)&dmy_ctxt)
+#define UC_MCONTEXT_FREGS_R0 UC_MCONTEXT_OFFSET(fpregs.fpregs[0])
+#define UC_MCONTEXT_FREGS_R1 UC_MCONTEXT_OFFSET(fpregs.fpregs[1])
+#define UC_MCONTEXT_FREGS_R2 UC_MCONTEXT_OFFSET(fpregs.fpregs[2])
+#define UC_MCONTEXT_FREGS_R3 UC_MCONTEXT_OFFSET(fpregs.fpregs[3])
+#define UC_MCONTEXT_FREGS_R4 UC_MCONTEXT_OFFSET(fpregs.fpregs[4])
+#define UC_MCONTEXT_FREGS_R5 UC_MCONTEXT_OFFSET(fpregs.fpregs[5])
+#define UC_MCONTEXT_FREGS_R6 UC_MCONTEXT_OFFSET(fpregs.fpregs[6])
+#define UC_MCONTEXT_FREGS_R7 UC_MCONTEXT_OFFSET(fpregs.fpregs[7])
+#define UC_MCONTEXT_FREGS_R8 UC_MCONTEXT_OFFSET(fpregs.fpregs[8])
+#define UC_MCONTEXT_FREGS_R9 UC_MCONTEXT_OFFSET(fpregs.fpregs[9])
+#define UC_MCONTEXT_FREGS_R10 UC_MCONTEXT_OFFSET(fpregs.fpregs[10])
+#define UC_MCONTEXT_FREGS_R11 UC_MCONTEXT_OFFSET(fpregs.fpregs[11])
+#define UC_MCONTEXT_FREGS_R12 UC_MCONTEXT_OFFSET(fpregs.fpregs[12])
+#define UC_MCONTEXT_FREGS_R13 UC_MCONTEXT_OFFSET(fpregs.fpregs[13])
+#define UC_MCONTEXT_FREGS_R14 UC_MCONTEXT_OFFSET(fpregs.fpregs[14])
+#define UC_MCONTEXT_FREGS_R15 UC_MCONTEXT_OFFSET(fpregs.fpregs[15])
+#define UC_MCONTEXT_FREGS_R16 UC_MCONTEXT_OFFSET(fpregs.fpregs[16])
+#define UC_MCONTEXT_FREGS_R17 UC_MCONTEXT_OFFSET(fpregs.fpregs[17])
+#define UC_MCONTEXT_FREGS_R18 UC_MCONTEXT_OFFSET(fpregs.fpregs[18])
+#define UC_MCONTEXT_FREGS_R19 UC_MCONTEXT_OFFSET(fpregs.fpregs[19])
+#define UC_MCONTEXT_FREGS_R20 UC_MCONTEXT_OFFSET(fpregs.fpregs[20])
+#define UC_MCONTEXT_FREGS_R21 UC_MCONTEXT_OFFSET(fpregs.fpregs[21])
+#define UC_MCONTEXT_FREGS_R22 UC_MCONTEXT_OFFSET(fpregs.fpregs[22])
+#define UC_MCONTEXT_FREGS_R23 UC_MCONTEXT_OFFSET(fpregs.fpregs[23])
+#define UC_MCONTEXT_FREGS_R24 UC_MCONTEXT_OFFSET(fpregs.fpregs[24])
+#define UC_MCONTEXT_FREGS_R25 UC_MCONTEXT_OFFSET(fpregs.fpregs[25])
+#define UC_MCONTEXT_FREGS_R26 UC_MCONTEXT_OFFSET(fpregs.fpregs[26])
+#define UC_MCONTEXT_FREGS_R27 UC_MCONTEXT_OFFSET(fpregs.fpregs[27])
+#define UC_MCONTEXT_FREGS_R28 UC_MCONTEXT_OFFSET(fpregs.fpregs[28])
+#define UC_MCONTEXT_FREGS_R29 UC_MCONTEXT_OFFSET(fpregs.fpregs[29])
+#define UC_MCONTEXT_FREGS_R30 UC_MCONTEXT_OFFSET(fpregs.fpregs[30])
+#define UC_MCONTEXT_FREGS_R31 UC_MCONTEXT_OFFSET(fpregs.fpregs[31])
+#define UC_MCONTEXT_FREGS_FPSCR UC_MCONTEXT_OFFSET(fpregs.fpregs[32])
#endif
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