Revert "OvmfPkg/Sec: fix stack switch"

This reverts commit ff36b25.

Has no effect because GCC_IA32_CC_FLAGS and GCC_X64_CC_FLAGS are unused.

Signed-off-by: Gerd Hoffmann <[email protected]>
Reviewed-by: Jiewen Yao <[email protected]>

Author: kraxel

BaseTools/Conf/tools_def.template

@@ -1849,9 +1849,9 @@ NOOPT_*_*_OBJCOPY_ADDDEBUGFLAG     = --add-gnu-debuglink=$(DEBUG_DIR)/$(MODULE_N
 *_*_*_DTC_PATH                     = DEF(DTC_BIN)
 
 DEFINE GCC_ALL_CC_FLAGS            = -g -Os -fshort-wchar -fno-builtin -fno-strict-aliasing -Wall -Werror -Wno-array-bounds -include AutoGen.h -fno-common
-DEFINE GCC_IA32_CC_FLAGS           = DEF(GCC_ALL_CC_FLAGS) -m32 -malign-double -freorder-blocks -freorder-blocks-and-partition -O2 -mno-stack-arg-probe -fno-omit-frame-pointer
-DEFINE GCC_X64_CC_FLAGS            = DEF(GCC_ALL_CC_FLAGS) -mno-red-zone -Wno-address -mno-stack-arg-probe -fomit-frame-pointer -DOMIT_FRAME_POINTER=1
-DEFINE GCC_ARM_CC_FLAGS            = DEF(GCC_ALL_CC_FLAGS) -mlittle-endian -mabi=aapcs -fno-short-enums -funsigned-char -ffunction-sections -fdata-sections -fomit-frame-pointer -DOMIT_FRAME_POINTER=1 -Wno-address -mthumb -mfloat-abi=soft -fno-pic -fno-pie
+DEFINE GCC_IA32_CC_FLAGS           = DEF(GCC_ALL_CC_FLAGS) -m32 -malign-double -freorder-blocks -freorder-blocks-and-partition -O2 -mno-stack-arg-probe
+DEFINE GCC_X64_CC_FLAGS            = DEF(GCC_ALL_CC_FLAGS) -mno-red-zone -Wno-address -mno-stack-arg-probe
+DEFINE GCC_ARM_CC_FLAGS            = DEF(GCC_ALL_CC_FLAGS) -mlittle-endian -mabi=aapcs -fno-short-enums -funsigned-char -ffunction-sections -fdata-sections -fomit-frame-pointer -Wno-address -mthumb -mfloat-abi=soft -fno-pic -fno-pie
 DEFINE GCC_ARM_CC_XIPFLAGS         = -mno-unaligned-access
 DEFINE GCC_AARCH64_CC_FLAGS        = DEF(GCC_ALL_CC_FLAGS) -mlittle-endian -fno-short-enums -fverbose-asm -funsigned-char  -ffunction-sections -fdata-sections -Wno-address -fno-asynchronous-unwind-tables -fno-unwind-tables -fno-pic -fno-pie -ffixed-x18
 DEFINE GCC_AARCH64_CC_XIPFLAGS     = -mstrict-align -mgeneral-regs-only

OvmfPkg/Sec/SecMain.c

@@ -1052,15 +1052,11 @@ TemporaryRamMigration (
   if (SetJump (&JumpBuffer) == 0) {
  #if defined (MDE_CPU_IA32)
     JumpBuffer.Esp = JumpBuffer.Esp + DebugAgentContext.StackMigrateOffset;
- #ifndef OMIT_FRAME_POINTER
     JumpBuffer.Ebp = JumpBuffer.Ebp + DebugAgentContext.StackMigrateOffset;
  #endif
- #endif
  #if defined (MDE_CPU_X64)
     JumpBuffer.Rsp = JumpBuffer.Rsp + DebugAgentContext.StackMigrateOffset;
- #ifndef OMIT_FRAME_POINTER
     JumpBuffer.Rbp = JumpBuffer.Rbp + DebugAgentContext.StackMigrateOffset;
- #endif
  #endif
     LongJump (&JumpBuffer, (UINTN)-1);
   }