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authorPeter Maydell <peter.maydell@linaro.org>2023-02-24 12:46:59 +0000
committerPeter Maydell <peter.maydell@linaro.org>2023-02-24 12:46:59 +0000
commit3f21065f0983d37c5d4a11a3c59bab5201a9f499 (patch)
treef2ed25e01bf87f2a65119c90a056265c066f253d /target/i386/gdbstub.c
parented9128c177227bb8682deafd3530d49b059e03c4 (diff)
parent49be78ca02a687ea00ad7534254217b479a4e92d (diff)
downloadfocaccia-qemu-3f21065f0983d37c5d4a11a3c59bab5201a9f499.tar.gz
focaccia-qemu-3f21065f0983d37c5d4a11a3c59bab5201a9f499.zip
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* x86 bugfixes
* OpenBSD support for naming threads
* Refined Python support policy

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# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
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# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  target/i386/gdbstub: Fix a bug about order of FPU stack in 'g' packets.
  docs: build-platforms: refine requirements on Python build dependencies
  thread-posix: add support for setting threads name on OpenBSD
  target/i386: Fix 32-bit AD[CO]X insns in 64-bit mode

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/i386/gdbstub.c')
-rw-r--r--target/i386/gdbstub.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/target/i386/gdbstub.c b/target/i386/gdbstub.c
index c3a2cf6f28..786971284a 100644
--- a/target/i386/gdbstub.c
+++ b/target/i386/gdbstub.c
@@ -121,7 +121,9 @@ int x86_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
             return gdb_get_reg32(mem_buf, env->regs[gpr_map32[n]]);
         }
     } else if (n >= IDX_FP_REGS && n < IDX_FP_REGS + 8) {
-        floatx80 *fp = (floatx80 *) &env->fpregs[n - IDX_FP_REGS];
+        int st_index = n - IDX_FP_REGS;
+        int r_index = (st_index + env->fpstt) % 8;
+        floatx80 *fp = &env->fpregs[r_index].d;
         int len = gdb_get_reg64(mem_buf, cpu_to_le64(fp->low));
         len += gdb_get_reg16(mem_buf, cpu_to_le16(fp->high));
         return len;