meson,amd: Remove Windows libelf wrap

Functionality isn't worth the maintenance cost.

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18797>

.gitlab-ci/build/gitlab-ci.yml

@@ -545,6 +545,7 @@ debian-mingw32-x86_64:
     VULKAN_DRIVERS: "swrast,amd,microsoft-experimental"
     GALLIUM_ST: >
       -D gallium-opencl=icd
+      -D opencl-native=false
       -D opencl-spirv=true
       -D microsoft-clc=enabled
       -D static-libclc=all

meson.build

@@ -1903,12 +1903,8 @@ with_opencl_native = _opencl != 'disabled' and get_option('opencl-native')
 if (with_amd_vk or with_gallium_radeonsi or
     (with_gallium_opencl and with_opencl_native) or
     (with_gallium_r600 and with_llvm))
-  if with_platform_windows
-    dep_elf = dependency('libelf', required : false, fallback : ['libelf', 'libelf_dep'])
-  else
-    dep_elf = dependency('libelf', required : false)
-  endif
-  if not dep_elf.found()
+  dep_elf = dependency('libelf', required : false)
+  if not with_platform_windows and not dep_elf.found()
     dep_elf = cc.find_library('elf')
   endif
 else

src/amd/common/ac_binary.c

@@ -27,8 +27,10 @@
 #include "util/u_math.h"
 #include "util/u_memory.h"
 
+#ifndef _WIN32
 #include <gelf.h>
 #include <libelf.h>
+#endif
 #include <sid.h>
 #include <stdio.h>
 

src/amd/common/ac_rgp.c

@@ -1002,6 +1002,7 @@ static void ac_sqtt_dump_spm(const struct ac_spm_trace_data *spm_trace,
    fseek(output, file_offset, SEEK_SET);
 }
 
+#ifndef _WIN32
 static void ac_sqtt_dump_data(struct radeon_info *rad_info,
                               struct ac_thread_trace *thread_trace,
                               const struct ac_spm_trace_data *spm_trace,
@@ -1188,11 +1189,15 @@ static void ac_sqtt_dump_data(struct radeon_info *rad_info,
       ac_sqtt_dump_spm(spm_trace, file_offset, output);
    }
 }
+#endif
 
 int ac_dump_rgp_capture(struct radeon_info *info,
                         struct ac_thread_trace *thread_trace,
                         const struct ac_spm_trace_data *spm_trace)
 {
+#ifdef _WIN32
+   return -1;
+#else
    char filename[2048];
    struct tm now;
    time_t t;
@@ -1215,4 +1220,5 @@ int ac_dump_rgp_capture(struct radeon_info *info,
 
    fclose(f);
    return 0;
+#endif
 }

src/amd/common/meson.build

@@ -73,8 +73,6 @@ amd_common_files = files(
   'ac_shader_util.h',
   'ac_gpu_info.c',
   'ac_gpu_info.h',
-  'ac_rtld.c',
-  'ac_rtld.h',
   'ac_surface.c',
   'ac_surface.h',
   'ac_debug.c',
@@ -89,7 +87,6 @@ amd_common_files = files(
   'ac_rgp.h',
   'ac_msgpack.c',
   'ac_msgpack.h',
-  'ac_rgp_elf_object_pack.c',
   'ac_nir.c',
   'ac_nir.h',
   'ac_nir_opt_outputs.c',
@@ -104,6 +101,14 @@ amd_common_files = files(
   'ac_perfcounter.h',
 )
 
+if not with_platform_windows
+  amd_common_files += files(
+    'ac_rtld.c',
+    'ac_rtld.h',
+    'ac_rgp_elf_object_pack.c',
+  )
+endif
+
 libamd_common = static_library(
   'amd_common',
   [amd_common_files, sid_tables_h, amdgfxregs_h, gfx10_format_table_c],

src/amd/vulkan/radv_shader.c

@@ -41,7 +41,9 @@
 #include "util/debug.h"
 #include "ac_binary.h"
 #include "ac_nir.h"
+#ifndef _WIN32
 #include "ac_rtld.h"
+#endif
 #include "aco_interface.h"
 #include "sid.h"
 #include "vk_format.h"
@@ -1907,6 +1909,7 @@ radv_postprocess_config(const struct radv_device *device, const struct ac_shader
    }
 }
 
+#ifndef _WIN32
 static bool
 radv_open_rtld_binary(struct radv_device *device, const struct radv_shader *shader,
                       const struct radv_shader_binary *binary, struct ac_rtld_binary *rtld_binary)
@@ -1950,12 +1953,16 @@ radv_open_rtld_binary(struct radv_device *device, const struct radv_shader *shad
 
    return ac_rtld_open(rtld_binary, open_info);
 }
+#endif
 
 bool
 radv_shader_binary_upload(struct radv_device *device, const struct radv_shader_binary *binary,
                           struct radv_shader *shader, void *dest_ptr)
 {
    if (binary->type == RADV_BINARY_TYPE_RTLD) {
+#ifdef _WIN32
+      return false;
+#else
       struct ac_rtld_binary rtld_binary = {0};
 
       if (!radv_open_rtld_binary(device, shader, binary, &rtld_binary)) {
@@ -1977,6 +1984,7 @@ radv_shader_binary_upload(struct radv_device *device, const struct radv_shader_b
 
       shader->code_ptr = dest_ptr;
       ac_rtld_close(&rtld_binary);
+#endif
    } else {
       struct radv_shader_binary_legacy *bin = (struct radv_shader_binary_legacy *)binary;
       memcpy(dest_ptr, bin->data + bin->stats_size, bin->code_size);
@@ -2004,6 +2012,10 @@ radv_shader_create(struct radv_device *device, const struct radv_shader_binary *
    shader->ref_count = 1;
 
    if (binary->type == RADV_BINARY_TYPE_RTLD) {
+#ifdef _WIN32
+      free(shader);
+      return NULL;
+#else
       struct ac_rtld_binary rtld_binary = {0};
 
       if (!radv_open_rtld_binary(device, shader, binary, &rtld_binary)) {
@@ -2031,6 +2043,7 @@ radv_shader_create(struct radv_device *device, const struct radv_shader_binary *
       shader->code_size = rtld_binary.rx_size;
       shader->exec_size = rtld_binary.exec_size;
       ac_rtld_close(&rtld_binary);
+#endif
    } else {
       assert(binary->type == RADV_BINARY_TYPE_LEGACY);
       config = ((struct radv_shader_binary_legacy *)binary)->base.config;
@@ -2050,6 +2063,10 @@ radv_shader_create(struct radv_device *device, const struct radv_shader_binary *
    }
 
    if (binary->type == RADV_BINARY_TYPE_RTLD) {
+#ifdef _WIN32
+      free(shader);
+      return NULL;
+#else
       struct radv_shader_binary_rtld *bin = (struct radv_shader_binary_rtld *)binary;
       struct ac_rtld_binary rtld_binary = {0};
 
@@ -2075,6 +2092,7 @@ radv_shader_create(struct radv_device *device, const struct radv_shader_binary *
          shader->disasm_string[disasm_size] = 0;
       }
       ac_rtld_close(&rtld_binary);
+#endif
    } else {
       struct radv_shader_binary_legacy *bin = (struct radv_shader_binary_legacy *)binary;
 

subprojects/libelf.wrap

@@ -1,6 +0,0 @@
-[wrap-git]
-directory = libelf-lfg-win32-1.1.0-freebsd-12.1.0
-
-url = https://github.com/LagFreeGames/libelf-lfg-win32.git
-revision = 1.1.0
-depth = 1