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tcg: Rename region.start to region.after_prologue

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Give the field a name reflecting its actual meaning.

Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-03-13 12:20:54 -06:00
parent 77bd7fd125
commit c2471ca0de
1 changed files with 8 additions and 7 deletions
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15
tcg/region.c
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@ -46,8 +46,8 @@ struct tcg_region_state {
QemuMutex lock; QemuMutex lock;
/* fields set at init time */ /* fields set at init time */
void *start;
void *start_aligned; void *start_aligned;
void *after_prologue;
size_t n; size_t n;
size_t size; /* size of one region */ size_t size; /* size of one region */
size_t stride; /* .size + guard size */ size_t stride; /* .size + guard size */
@ -276,7 +276,7 @@ static void tcg_region_bounds(size_t curr_region, void **pstart, void **pend)
end = start + region.size; end = start + region.size;
if (curr_region == 0) { if (curr_region == 0) {
start = region.start; start = region.after_prologue;
} }
/* The final region may have a few extra pages due to earlier rounding. */ /* The final region may have a few extra pages due to earlier rounding. */
if (curr_region == region.n - 1) { if (curr_region == region.n - 1) {
@ -855,7 +855,7 @@ void tcg_region_init(size_t tb_size, int splitwx, unsigned max_cpus)
region.n = n_regions; region.n = n_regions;
region.size = region_size - page_size; region.size = region_size - page_size;
region.stride = region_size; region.stride = region_size;
region.start = buf; region.after_prologue = buf;
region.start_aligned = aligned; region.start_aligned = aligned;
/* page-align the end, since its last page will be a guard page */ /* page-align the end, since its last page will be a guard page */
end = QEMU_ALIGN_PTR_DOWN(buf + total_size, page_size); end = QEMU_ALIGN_PTR_DOWN(buf + total_size, page_size);
@ -895,15 +895,16 @@ void tcg_region_init(size_t tb_size, int splitwx, unsigned max_cpus)
void tcg_region_prologue_set(TCGContext *s) void tcg_region_prologue_set(TCGContext *s)
{ {
/* Deduct the prologue from the first region. */ /* Deduct the prologue from the first region. */
g_assert(region.start == s->code_gen_buffer); g_assert(region.start_aligned == s->code_gen_buffer);
region.start = s->code_ptr; region.after_prologue = s->code_ptr;
/* Recompute boundaries of the first region. */ /* Recompute boundaries of the first region. */
tcg_region_assign(s, 0); tcg_region_assign(s, 0);
/* Register the balance of the buffer with gdb. */ /* Register the balance of the buffer with gdb. */
tcg_register_jit(tcg_splitwx_to_rx(region.start), tcg_register_jit(tcg_splitwx_to_rx(region.after_prologue),
region.start_aligned + region.total_size - region.start); region.start_aligned + region.total_size -
region.after_prologue);
} }
/* /*