diff --git a/src/aarch64/Gos-linux.c b/src/aarch64/Gos-linux.c index 7cd8c87..b750180 100644 --- a/src/aarch64/Gos-linux.c +++ b/src/aarch64/Gos-linux.c @@ -28,73 +28,70 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef UNW_REMOTE_ONLY -HIDDEN int +HIDDEN inline int aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { +#ifdef __linux__ struct cursor *c = (struct cursor *) cursor; - unw_context_t *uc = c->uc; + unw_tdep_context_t *uc = c->uc; if (c->sigcontext_format == AARCH64_SCF_NONE) { /* Since there are no signals involved here we restore EH and non scratch registers only. */ + unsigned long regs[24]; + regs[0] = uc->uc_mcontext.regs[0]; + regs[1] = uc->uc_mcontext.regs[1]; + regs[2] = uc->uc_mcontext.regs[2]; + regs[3] = uc->uc_mcontext.regs[3]; + regs[4] = uc->uc_mcontext.regs[19]; + regs[5] = uc->uc_mcontext.regs[20]; + regs[6] = uc->uc_mcontext.regs[21]; + regs[7] = uc->uc_mcontext.regs[22]; + regs[8] = uc->uc_mcontext.regs[23]; + regs[9] = uc->uc_mcontext.regs[24]; + regs[10] = uc->uc_mcontext.regs[25]; + regs[11] = uc->uc_mcontext.regs[26]; + regs[12] = uc->uc_mcontext.regs[27]; + regs[13] = uc->uc_mcontext.regs[28]; + regs[14] = uc->uc_mcontext.regs[29]; /* FP */ + regs[15] = uc->uc_mcontext.regs[30]; /* LR */ + regs[16] = GET_FPCTX(uc)->vregs[8]; + regs[17] = GET_FPCTX(uc)->vregs[9]; + regs[18] = GET_FPCTX(uc)->vregs[10]; + regs[19] = GET_FPCTX(uc)->vregs[11]; + regs[20] = GET_FPCTX(uc)->vregs[12]; + regs[21] = GET_FPCTX(uc)->vregs[13]; + regs[22] = GET_FPCTX(uc)->vregs[14]; + regs[23] = GET_FPCTX(uc)->vregs[15]; + unsigned long sp = uc->uc_mcontext.sp; + + struct regs_overlay { + char x[sizeof(regs)]; + }; + __asm__ __volatile__ ( - "ldr x0, %[x0]\n\t" - "ldr x1, %[x1]\n\t" - "ldr x2, %[x2]\n\t" - "ldr x3, %[x3]\n\t" - "ldr x19, %[x19]\n\t" - "ldr x20, %[x20]\n\t" - "ldr x21, %[x21]\n\t" - "ldr x22, %[x22]\n\t" - "ldr x23, %[x23]\n\t" - "ldr x24, %[x24]\n\t" - "ldr x25, %[x25]\n\t" - "ldr x26, %[x26]\n\t" - "ldr x27, %[x27]\n\t" - "ldr x28, %[x28]\n\t" - "ldr x29, %[x29]\n\t" - "ldr x30, %[x30]\n\t" - "ldr d8, %[d8]\n\t" - "ldr d9, %[d9]\n\t" - "ldr d10, %[d10]\n\t" - "ldr d11, %[d11]\n\t" - "ldr d12, %[d12]\n\t" - "ldr d13, %[d13]\n\t" - "ldr d14, %[d14]\n\t" - "ldr d15, %[d15]\n\t" - "ldr x5, %[sp]\n\t" - "mov sp, x5\n\t" - "ret\n" + "mov x4, %0\n" + "mov x5, %1\n" + "ldp x0, x1, [x4]\n" + "ldp x2, x3, [x4,16]\n" + "ldp x19, x20, [x4,32]\n" + "ldp x21, x22, [x4,48]\n" + "ldp x23, x24, [x4,64]\n" + "ldp x25, x26, [x4,80]\n" + "ldp x27, x28, [x4,96]\n" + "ldp x29, x30, [x4,112]\n" + "ldp d8, d9, [x4,128]\n" + "ldp d10, d11, [x4,144]\n" + "ldp d12, d13, [x4,160]\n" + "ldp d14, d15, [x4,176]\n" + "mov sp, x5\n" + "ret \n" : - : [x0] "m"(uc->uc_mcontext.regs[0]), - [x1] "m"(uc->uc_mcontext.regs[1]), - [x2] "m"(uc->uc_mcontext.regs[2]), - [x3] "m"(uc->uc_mcontext.regs[3]), - [x19] "m"(uc->uc_mcontext.regs[19]), - [x20] "m"(uc->uc_mcontext.regs[20]), - [x21] "m"(uc->uc_mcontext.regs[21]), - [x22] "m"(uc->uc_mcontext.regs[22]), - [x23] "m"(uc->uc_mcontext.regs[23]), - [x24] "m"(uc->uc_mcontext.regs[24]), - [x25] "m"(uc->uc_mcontext.regs[25]), - [x26] "m"(uc->uc_mcontext.regs[26]), - [x27] "m"(uc->uc_mcontext.regs[27]), - [x28] "m"(uc->uc_mcontext.regs[28]), - [x29] "m"(uc->uc_mcontext.regs[29]), /* FP */ - [x30] "m"(uc->uc_mcontext.regs[30]), /* LR */ - [d8] "m"(GET_FPCTX(uc)->vregs[8]), - [d9] "m"(GET_FPCTX(uc)->vregs[9]), - [d10] "m"(GET_FPCTX(uc)->vregs[10]), - [d11] "m"(GET_FPCTX(uc)->vregs[11]), - [d12] "m"(GET_FPCTX(uc)->vregs[12]), - [d13] "m"(GET_FPCTX(uc)->vregs[13]), - [d14] "m"(GET_FPCTX(uc)->vregs[14]), - [d15] "m"(GET_FPCTX(uc)->vregs[15]), - [sp] "m"(uc->uc_mcontext.sp) - : "x0", "x1", "x2", "x3", "x19", "x20", "x21", "x22", "x23", "x24", - "x25", "x26", "x27", "x28", "x29", "x30" - ); + : "r" (regs), + "r" (sp), + "m" (*(struct regs_overlay *)regs) + ); } else { @@ -143,7 +140,10 @@ aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) ); } unreachable(); +#else + printf ("%s: implement me\n", __FUNCTION__); +#endif return -UNW_EINVAL; } -#endif /* !UNW_REMOTE_ONLY */ +#endif /* !UNW_REMOTE_ONLY */ \ No newline at end of file