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i386/dump: use DIV_ROUND_UP

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I used the clang-tidy qemu-round check to generate the fix:
https://github.com/elmarco/clang-tools-extra

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Marc-André Lureau 2017-06-22 13:04:16 +02:00
parent f0704d78b4
commit 074d5afe7c
1 changed files with 12 additions and 12 deletions
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24
target/i386/arch_dump.c
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@ -77,8 +77,8 @@ static int x86_64_write_elf64_note(WriteCoreDumpFunction f,
regs.gs = env->segs[R_GS].selector;
descsz = sizeof(x86_64_elf_prstatus);
note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
(descsz + 3) / 4) * 4;
note_size = (DIV_ROUND_UP(sizeof(Elf64_Nhdr), 4) + DIV_ROUND_UP(name_size, 4) +
DIV_ROUND_UP(descsz, 4)) * 4;
note = g_malloc0(note_size);
note->n_namesz = cpu_to_le32(name_size);
note->n_descsz = cpu_to_le32(descsz);
@ -156,8 +156,8 @@ static int x86_write_elf64_note(WriteCoreDumpFunction f, CPUX86State *env,
x86_fill_elf_prstatus(&prstatus, env, id);
descsz = sizeof(x86_elf_prstatus);
note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
(descsz + 3) / 4) * 4;
note_size = (DIV_ROUND_UP(sizeof(Elf64_Nhdr), 4) + DIV_ROUND_UP(name_size, 4) +
DIV_ROUND_UP(descsz, 4)) * 4;
note = g_malloc0(note_size);
note->n_namesz = cpu_to_le32(name_size);
note->n_descsz = cpu_to_le32(descsz);
@ -211,8 +211,8 @@ int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs,
x86_fill_elf_prstatus(&prstatus, &cpu->env, cpuid);
descsz = sizeof(x86_elf_prstatus);
note_size = ((sizeof(Elf32_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
(descsz + 3) / 4) * 4;
note_size = (DIV_ROUND_UP(sizeof(Elf32_Nhdr), 4) + DIV_ROUND_UP(name_size, 4) +
DIV_ROUND_UP(descsz, 4)) * 4;
note = g_malloc0(note_size);
note->n_namesz = cpu_to_le32(name_size);
note->n_descsz = cpu_to_le32(descsz);
@ -338,8 +338,8 @@ static inline int cpu_write_qemu_note(WriteCoreDumpFunction f,
} else {
note_head_size = sizeof(Elf64_Nhdr);
}
note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 +
(descsz + 3) / 4) * 4;
note_size = (DIV_ROUND_UP(note_head_size, 4) + DIV_ROUND_UP(name_size, 4) +
DIV_ROUND_UP(descsz, 4)) * 4;
note = g_malloc0(note_size);
if (type == 0) {
note32 = note;
@ -443,10 +443,10 @@ ssize_t cpu_get_note_size(int class, int machine, int nr_cpus)
#endif
qemu_desc_size = sizeof(QEMUCPUState);
elf_note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 +
(elf_desc_size + 3) / 4) * 4;
qemu_note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 +
(qemu_desc_size + 3) / 4) * 4;
elf_note_size = (DIV_ROUND_UP(note_head_size, 4) + DIV_ROUND_UP(name_size, 4) +
DIV_ROUND_UP(elf_desc_size, 4)) * 4;
qemu_note_size = (DIV_ROUND_UP(note_head_size, 4) + DIV_ROUND_UP(name_size, 4) +
DIV_ROUND_UP(qemu_desc_size, 4)) * 4;
return (elf_note_size + qemu_note_size) * nr_cpus;
}