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[PATCH 1/5] x86: drop s<N>/u<N> overrides from mkelf32


  • To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Thu, 29 Aug 2024 13:58:41 +0200
  • Autocrypt: addr=jbeulich@xxxxxxxx; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL
  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Delivery-date: Thu, 29 Aug 2024 11:58:47 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Use uint<N>_t instead (s<N> were unused altogether). While adjusting
swap<N>() drop excessive casts and rename the arguments to avoid leading
underscores.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/arch/x86/boot/mkelf32.c
+++ b/xen/arch/x86/boot/mkelf32.c
@@ -17,14 +17,6 @@
 #include <unistd.h>
 #include <inttypes.h>
 
-#define u8  uint8_t
-#define u16 uint16_t
-#define u32 uint32_t
-#define u64 uint64_t
-#define s8  int8_t
-#define s16 int16_t
-#define s32 int32_t
-#define s64 int64_t
 #include "../../../include/xen/elfstructs.h"
 
 #define DYNAMICALLY_FILLED   0
@@ -72,9 +64,9 @@ static Elf32_Phdr note_phdr = {
     4                                        /* p_align */
 };
 
-static u8 out_shstrtab[] = "\0.text\0.shstrtab";
+static uint8_t out_shstrtab[] = "\0.text\0.shstrtab";
 /* If num_phdrs >= 2, we need to tack the .note. */
-static u8 out_shstrtab_extra[] = ".note\0";
+static uint8_t out_shstrtab_extra[] = ".note\0";
 
 static Elf32_Shdr out_shdr[] = {
     { 0 },
@@ -124,9 +116,9 @@ static Elf32_Shdr out_shdr_note = {
 #undef swap32
 #undef swap64
 
-#define swap16(_v) ((((u16)(_v)>>8)&0xff)|(((u16)(_v)&0xff)<<8))
-#define swap32(_v) (((u32)swap16((u16)(_v))<<16)|(u32)swap16((u32)((_v)>>16)))
-#define swap64(_v) (((u64)swap32((u32)(_v))<<32)|(u64)swap32((u32)((_v)>>32)))
+#define swap16(v) (( (uint8_t)(v)       <<  8) | (uint8_t)((v) >>  8))
+#define swap32(v) (((uint32_t)swap16(v) << 16) |    swap16((v) >> 16))
+#define swap64(v) (((uint64_t)swap32(v) << 32) |    swap32((v) >> 32))
 
 static int big_endian;
 
@@ -256,8 +248,8 @@ static void do_read(int fd, void *data,
 
 int main(int argc, char **argv)
 {
-    u64        final_exec_addr;
-    u32        loadbase, dat_siz, mem_siz, note_base, note_sz, offset;
+    uint64_t   final_exec_addr;
+    uint32_t   loadbase, dat_siz, mem_siz, note_base, note_sz, offset;
     char      *inimage, *outimage;
     int        infd, outfd;
     char       buffer[1024] = {};
@@ -302,7 +294,7 @@ int main(int argc, char **argv)
         return 1;
     }
 
-    big_endian = (*(u16 *)in32_ehdr.e_ident == ((ELFMAG0 << 8) | ELFMAG1));
+    big_endian = (*(uint16_t *)in32_ehdr.e_ident == ((ELFMAG0 << 8) | 
ELFMAG1));
 
     endianadjust_ehdr32(&in32_ehdr);
     if ( in32_ehdr.e_ident[EI_CLASS] != ELFCLASS64 )
@@ -345,11 +337,11 @@ int main(int argc, char **argv)
     endianadjust_phdr64(&in64_phdr);
 
     (void)lseek(infd, in64_phdr.p_offset, SEEK_SET);
-    dat_siz = (u32)in64_phdr.p_filesz;
+    dat_siz = (uint32_t)in64_phdr.p_filesz;
 
     /* Do not use p_memsz: it does not include BSS alignment padding. */
-    /*mem_siz = (u32)in64_phdr.p_memsz;*/
-    mem_siz = (u32)(final_exec_addr - in64_phdr.p_vaddr);
+    /*mem_siz = (uint32_t)in64_phdr.p_memsz;*/
+    mem_siz = (uint32_t)(final_exec_addr - in64_phdr.p_vaddr);
 
     note_sz = note_base = offset = 0;
     if ( num_phdrs > 1 )




 


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