From e81cba0cd33339c2e5f5e3c670741605264b21c2 Mon Sep 17 00:00:00 2001
From: Pino Toscano <toscano.pino@tiscali.it>
Date: Thu, 6 Oct 2022 23:15:30 +0200
Subject: [PATCH] Add HPPA detection

- detect the HPPA architecture (PA-RISC) and define Q_PROCESSOR_HPPA
- set the right machine type in QElfParser for HPPA ELF files

Change-Id: I5214ce64ef1fdd0ecca3d6c1694c5db9b2852a22
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/corelib/global/archdetect.cpp        |    2 ++
 src/corelib/global/qglobal.cpp           |    9 +++++++++
 src/corelib/global/qprocessordetection.h |    9 +++++++++
 src/corelib/plugin/qelfparser_p.cpp      |    3 +++
 4 files changed, 23 insertions(+)

--- a/src/corelib/global/archdetect.cpp
+++ b/src/corelib/global/archdetect.cpp
@@ -17,6 +17,8 @@
 #  define ARCH_PROCESSOR "bfin"
 #elif defined(Q_PROCESSOR_WASM)
 #  define ARCH_PROCESSOR "wasm"
+#elif defined(Q_PROCESSOR_HPPA)
+#  define ARCH_PROCESSOR "hppa"
 #elif defined(Q_PROCESSOR_X86_32)
 #  define ARCH_PROCESSOR "i386"
 #elif defined(Q_PROCESSOR_X86_64)
--- a/src/corelib/global/qprocessordetection.h
+++ b/src/corelib/global/qprocessordetection.h
@@ -140,6 +140,15 @@
 // #  define Q_BYTE_ORDER Q_LITTLE_ENDIAN
 
 /*
+    PA-RISC family, no revisions or variants
+
+    PA-RISC is big-endian.
+*/
+#elif defined(__hppa__)
+#  define Q_PROCESSOR_HPPA
+#  define Q_BYTE_ORDER Q_BIG_ENDIAN
+
+/*
     X86 family, known variants: 32- and 64-bit
 
     X86 is little-endian.
--- a/src/corelib/plugin/qelfparser_p.cpp
+++ b/src/corelib/plugin/qelfparser_p.cpp
@@ -118,6 +118,8 @@ struct ElfMachineCheck
             EM_AARCH64
 #elif defined(Q_PROCESSOR_BLACKFIN)
             EM_BLACKFIN
+#elif defined(Q_PROCESSOR_HPPA)
+            EM_PARISC
 #elif defined(Q_PROCESSOR_IA64)
             EM_IA_64
 #elif defined(Q_PROCESSOR_MIPS)
@@ -383,6 +385,7 @@ Q_DECL_UNUSED Q_DECL_COLD_FUNCTION stati
 #endif
     case EM_IA_64:      d << ", IA-64"; break;
     case EM_MIPS:       d << ", MIPS"; break;
+    case EM_PARISC:     d << ", HPPA"; break;
     case EM_PPC:        d << ", PowerPC"; break;
     case EM_PPC64:      d << ", PowerPC 64-bit"; break;
 #ifdef EM_RISCV
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -1791,6 +1791,15 @@ bool qSharedBuild() noexcept
 */
 
 /*!
+    \macro Q_PROCESSOR_HPPA
+    \relates <QtGlobal>
+
+    Defined if the application is compiled for PA-RISC processors.
+
+    \sa QSysInfo::buildCpuArchitecture()
+*/
+
+/*!
     \macro Q_PROCESSOR_IA64
     \relates <QtGlobal>