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qemu/tcg-Allocate-sufficient-storage-in-temp_.patch
José Ricardo Ziviani eb86ba78e5 Accepting request 903710 from home:jziviani:branches:Virtualization
- Fix stable issues found in upstream:
  hmp-Fix-loadvm-to-resume-the-VM-on-succe.patch
  hw-block-nvme-align-with-existing-style.patch
  hw-nvme-fix-missing-check-for-PMR-capabi.patch
  hw-nvme-fix-pin-based-interrupt-behavior.patch
  linux-user-aarch64-Enable-hwcap-for-RND-.patch
  qemu-config-load-modules-when-instantiat.patch
  qemu-config-parse-configuration-files-to.patch
  qemu-config-use-qemu_opts_from_qdict.patch
  runstate-Initialize-Error-to-NULL.patch
  target-i386-Exit-tb-after-wrmsr.patch
  tcg-Allocate-sufficient-storage-in-temp_.patch
  tcg-sparc-Fix-temp_allocate_frame-vs-spa.patch
  vhost-vdpa-don-t-initialize-backend_feat.patch
  vl-allow-not-specifying-size-in-m-when-u.patch
  vl-Fix-an-assert-failure-in-error-path.patch
  vl-plug-object-back-into-readconfig.patch
  vl-plumb-keyval-based-options-into-readc.patch
  x86-acpi-use-offset-instead-of-pointer-w.patch
- Update qemu-supportconfig plugin
- Fix an update-alternative warning when removing qemu-skiboot package
  bsc#1178678

OBS-URL: https://build.opensuse.org/request/show/903710
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=660
2021-07-02 12:49:06 +00:00

72 lines
2.2 KiB
Diff

From: Richard Henderson <richard.henderson@linaro.org>
Date: Fri, 18 Jun 2021 21:53:27 -0700
Subject: tcg: Allocate sufficient storage in temp_allocate_frame
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: c1c091948ae4a73c1a80b5005f6204d0e665ce52
This function should have been updated for vector types
when they were introduced.
Fixes: d2fd745fe8b
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/367
Cc: qemu-stable@nongnu.org
Tested-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Jose R. Ziviani <jziviani@suse.de>
---
tcg/tcg.c | 31 ++++++++++++++++++++++++++-----
1 file changed, 26 insertions(+), 5 deletions(-)
diff --git a/tcg/tcg.c b/tcg/tcg.c
index a9cf55531e2b9ae06d5d852cc563..21d65969beb7cc4d34c2b321c7b3 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -3489,17 +3489,38 @@ static void check_regs(TCGContext *s)
static void temp_allocate_frame(TCGContext *s, TCGTemp *ts)
{
- if (s->current_frame_offset + (tcg_target_long)sizeof(tcg_target_long) >
- s->frame_end) {
- tcg_abort();
+ intptr_t off, size, align;
+
+ switch (ts->type) {
+ case TCG_TYPE_I32:
+ size = align = 4;
+ break;
+ case TCG_TYPE_I64:
+ case TCG_TYPE_V64:
+ size = align = 8;
+ break;
+ case TCG_TYPE_V128:
+ size = align = 16;
+ break;
+ case TCG_TYPE_V256:
+ /* Note that we do not require aligned storage for V256. */
+ size = 32, align = 16;
+ break;
+ default:
+ g_assert_not_reached();
}
- ts->mem_offset = s->current_frame_offset;
+
+ assert(align <= TCG_TARGET_STACK_ALIGN);
+ off = ROUND_UP(s->current_frame_offset, align);
+ assert(off + size <= s->frame_end);
+ s->current_frame_offset = off + size;
+
+ ts->mem_offset = off;
#if defined(__sparc__)
ts->mem_offset += TCG_TARGET_STACK_BIAS;
#endif
ts->mem_base = s->frame_temp;
ts->mem_allocated = 1;
- s->current_frame_offset += sizeof(tcg_target_long);
}
static void temp_load(TCGContext *, TCGTemp *, TCGRegSet, TCGRegSet, TCGRegSet);