openwrt/package/libs/libunwind/patches/004-ppc-musl.patch

236 lines
5.6 KiB
Diff

--- a/include/libunwind-ppc32.h
+++ b/include/libunwind-ppc32.h
@@ -81,6 +81,88 @@ 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
@@ -88,6 +88,88 @@ 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
@@ -46,10 +46,15 @@ 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)
#if defined(__linux__)
- addr = &uc->uc_mcontext.uc_regs->gregs[reg - UNW_PPC32_R0];
+ addr = &mc->gregs[reg - UNW_PPC32_R0];
#elif defined(__FreeBSD__)
addr = &uc->uc_mcontext.mc_gpr[reg - UNW_PPC32_R0];
#endif
@@ -58,7 +63,7 @@ uc_addr (ucontext_t *uc, int reg)
if ( ((unsigned) (reg - UNW_PPC32_F0) < 32) &&
((unsigned) (reg - UNW_PPC32_F0) >= 0) )
#if defined(__linux__)
- addr = &uc->uc_mcontext.uc_regs->fpregs.fpregs[reg - UNW_PPC32_F0];
+ addr = &mc->fpregs.fpregs[reg - UNW_PPC32_F0];
#elif defined(__FreeBSD__)
addr = &uc->uc_mcontext.mc_fpreg[reg - UNW_PPC32_F0];
#endif
@@ -85,7 +90,7 @@ uc_addr (ucontext_t *uc, int reg)
return NULL;
}
#if defined(__linux__)
- addr = &uc->uc_mcontext.uc_regs->gregs[gregs_idx];
+ addr = &mc->gregs[gregs_idx];
#elif defined(__FreeBSD__)
addr = &uc->uc_mcontext.mc_gpr[gregs_idx];
#endif
--- a/src/ppc32/ucontext_i.h
+++ b/src/ppc32/ucontext_i.h
@@ -44,8 +44,13 @@ WITH THE SOFTWARE OR THE USE OR OTHER DE
//#define MQ_IDX 36
#define LINK_IDX 36
+#ifdef __GLIBC__
#define _UC_MCONTEXT_GPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.uc_regs->gregs[x] - (void *)&dmy_ctxt) )
#define _UC_MCONTEXT_FPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.uc_regs->fpregs.fpregs[x] - (void *)&dmy_ctxt) )
+#else
+#define _UC_MCONTEXT_GPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.gregs[x] - (void *)&dmy_ctxt) )
+#define _UC_MCONTEXT_FPR(x) ( ((void *)&dmy_ctxt.uc_mcontext.fpregs.fpregs[x] - (void *)&dmy_ctxt) )
+#endif
/* These are dummy structures used only for obtaining the offsets of the
various structure members. */