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